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Reclamation Permit Monitoring Report 2016 2nd Quarter 5044ec . 1950 • ` South Tahoe fi ublic Utility District 1275 Meadow Crest Drive•South Lake Tahoe•CA 96150-7401 Phone 530 544-6474•Fax 530 541-0614•www.stpud.us July 15, 2016 Patty Kouyoumdjian California Regional Water Quality Control Board - Lahontan Region 2501 Lake Tahoe Boulevard South Lake Tahoe, CA 96150 RB6-Lahontan@waterboards.ca.gov Subject: Reclamation Permit Monitoring Report, 2nd Quarter 2016 Dear Ms. Kouyoumdjian, Enclosed is the South Tahoe Public Utility District's 2016 second quarter self-monitoring report for April through June 2016. The District is reporting as required by the Wastewater Reclamation Permit (Board Order R6T-2004-0010A3, WDID No. 6A095900700). Wastewater Reclamation Permit (Board Order R6T-2004-0010A1). The effluent met all the requirements set forth in the Board Order for this quarter; there were no violations. Emergency Retention Basin (ERB) 3.92 MG of wastewater was pumped to the ERB during this quarter. This was done so upgrades at the Luther Pass Pump Station could be made. There was no wastewater remaining in the ERB on June 30, 2016. The ERB was not inspected this quarter. It was inspected on March 29, and July 7, 2016. Export Pipeline The District's Final effluent export pipeline route was inspected this quarter on June 21, 2016. No damage was found. The report is included. Wastewater Reclamation Permit Compliance This monitoring program provides for discontinued surface water monitoring, except SW-01, SW-05, and SW-06, during the months of December, January and February. LRWQCB - Page 2 Operational Problems or Major Maintenance Activities Modifications and operational problems occurring during this quarter are detailed in the section titled Operational Problems and Major Maintenance Activities in this report. Notes Sampling and analysis problems for offsite sample locations are listed in the Sample Comments section. Certification I certify under penalty of law that this document and all attachments were prepared under my direction or supervision following a system designed to ensure that qualified personnel properly gather and evaluate the information submitted. Based on my knowledge of the person(s) who manage the system or those directly responsible for data gathering, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment. If you have any questions or require additional information, please contact me at the number provided above. Sincerely, QROFESS/o �(<O D. `<tN/ • ..F"';;) /10 7/zz,/zo(6 * sT Civic. , � 6'OF C � Shannon Cotulla Assistant General Manager/ Engineer scotulla anstpud.dst.ca.us LRWQCB - Page 3 Enclosures: 1. Monthly Report Summary Pages Wastewater Treatment plant 6 Permit Compliance Record 1 Operational problems and maintenance activities. 1 Emergency Retention Basin (ERB) Inspection report. 0 Export Pipeline Inspection Report: 1 Sample site locations 2 Map of Alpine County sample sites 2 Harvey Place Reservoir recycled water storage 2 Harvey Place Reservoir Trihalomethanes test results 7 Alpine County and Tahoe Basin Surface waters, Groundwaters, and HPR 7 Blue Green Algae results: April — June 1 Alpine County and Tahoe Basin groundwater elevations 1 Alpine County soils 1 Sample Comments 1 Tahoe Basin ERB Monitoring Wells Purge Records 3 Alpine County Monitoring Wells Purge Records 10 Photos,of Irrigation ditch flows 0 Total pages 46 cc: Alpine County Health Department - Dr. Richard Harvey Alpine County Health Department— Dennis Lampson Alpine County Board of Supervisors pdf: DeAnn Roberts, Woodfords Community Council Chairwoman Nevada Division of Environmental Protection - Jean Stone STPUD General Manager- Richard Solbrig STPUD Alpine County Operations — Jim Hilton STPUD Manager of Operations - Ross Johnson STPUD Operations Chief Plant Operator- Jeff Lee STPUD Laboratory Director- Terry Powers File: D:\Lahontan\Reports\2016 2nd Quarter Report.doc Page 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT 5/9/2016 WASTEWATER TREATMENT PLANT MONTHLY REPORT 7.11 AM April 2016 < Flow MGD > BOD SS 2-Hr Peak Pond Pond Precipitation mg/L mg/L Date Day Inf Inf Eff Return Inf Inch Type Raw Final Raw Final 4/1/2016 Fri 3.82 4.9 4.71 4/2/2016 Sat 4.04 5.2 4.56 231 15.1 175 7.4 4/3/2016 Sun 3.85 5.4 4.20 4/4/2016 Mon 3.54 4.2 3.92 4/5/2016 Tue 3.46 4.4 4.00 4/6/2016 Wed 3.42 4.4 4.04 188 14.8 166 5.0 4/7/2016 Thu 3.73 4.5 3.59 4/8/2016 Fri 3.43 4.4 3.80 4/9/2016 Sat 3.93 5.0 4.57 1.06 Rain 210 8.0 165 4.0 4/10/2016 Sun 3.73 5.0 4.15 0.06 Rain 4/11/2016 Mon 3.42 4.3 3.70 4/12/2016 Tue 3.33 4.2 3.68 4/13/2016 Wed 3.26 4.3 3.97 217 6.2 203 2.4 4/14/2016 Thu 3.29 4.4 4.17 0.06 Snow 4/15/2016 Fri 3.35 4.1 3.61 4/16/2016 Sat 3.53 4.5 3.64 228 5.8 172 2.5 4/17/2016 Sun 3.47 4.8 3.73 4/18/2016 Mon 3.20 4.1 3.58 4/19/2016 Tue 3.15 3.9 3.43 4/20/2016 Wed 3.17 4.0 3.92 182 5.8 169 1.8 4/21/2016 Thu 3.14 4.1 3.48 4/22/2016 Fri 3.38 3.9 3.88 0.93 Snow 4/23/2016 Sat 3.79 4.9 4.20 248 10.0 154 4.0 4/24/2016 Sun 3.59 4.7 3.88 4/25/2016 Mon 3.35 4.3 3.59 0.04 Snow 182 11.7 153 5.7 4/26/2016 Tue 3.25 4.1 2.94 Snow 4/27/2016 Wed 3.27 4.0 4.15 0.21 Snow 4/28/2016 Thu 3.31 4.2 3.96 0.04 Snow 4/29/2016 Fri 3.42 4.0 3.80 0.33 Snow 4/30/2016 Sat 3.68 4.8 3.99 0.16 Snow 248 12.2 187 6.2 Permit Max 7.7 45 60 Permit Min Permit Ave30 30 Total 104.30 133.0 116.84 0.00 0.00 2.89 1934 89.5 1544 39.0 Maximum 4.04 5.4 4.71 0.00 0.00 1.06 248 15.1 203 7.4 Minimum 3.14 3.9 2.94 0.00 0.00 0.04 182 5.8 153 1.8 Average 3.48 4.4 3.89 0.32 215 9.9 172 4.3 #Tests 30 30 30 0 0 9 9 9 9 9 Page 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT 5/9/2016 WASTEWATER TREATMENT PLANT MONTHLY REPORT 7.11 AM April 2016 pH Chlorine <Final Total Coliforms> Total Nitrogen TDS Units mg/L MPN/100 mL mg/L mg/L Date Day Raw Final Final Total 7day-Median Raw Final Raw Final 4/1/2016 Fri 7.36 7.66 27.0 < 1.8 2 4/2/2016 Sat 7.37 7.78 29.0 < 1.8 2 4/3/2016 Sun 7.32 7.87 24.0 < 1.8 < 1.8 4/4/2016 Mon 7.44 7.94 24.0 4.5 < 1.8 32.1 24.3 4/5/2016 Tue 7.26 7.68 18.0 < 1.8 < 1.8 4/6/2016 Wed 7.31 7.78 12.0 2 < 1.8 4/7/2016 Thu 7.36 7.80 11.0 1.8 < 1.8 4/8/2016 Fri 7.39 7.82 12.0 2 1.8 4/9/2016 Sat 7.38 7.72 26.0 7.8 2 4/10/2016 Sun 7.29 7.67 11.0 < 1.8 2 4/11/2016 Mon 7.42 7.78 12.0 2 2 30.8 22.9 4/12/2016 Tue 7.32 7.69 9.8 2 2 4/13/2016 Wed 7.46 7.64 13.0 < 1.8 2 260 279 4/14/2016 Thu 7.45 7.64 8.8 17 2 4/15/2016 Fri 7.40 7.72 10.0 < 1.8 2 4/16/2016 Sat 7.42 7.78 11.0 13 2 4/17/2016 Sun 7.35 7.86 9.2 < 1.8 2 4/18/2016 Mon 7.38 7.91 7.7 2 2 4/19/2016 Tue 7.36 7.78 5.8 4.5 2 4/20/2016 Wed 7.35 7.68 6.2 2 2 278 267 4/21/2016 Thu 7.41 7.79 6.8 6.8 2 4/22/2016 Fri 7.43 7.74 9.7 2 2 4/23/2016 Sat 7.38 7.78 10.0 2 2 4/24/2016 Sun 7.36 7.74 10.0 < 1.8 2 34.0 24.8 4/25/2016 Mon 7.35 7.72 11.0 4.5 2 258 250 4/26/2016 Tue 7.37 7.76 8.0 < 1.8 2 4/27/2016 Wed 7.38 7.73 12.0 < 1.8 2 4/28/2016 Thu 7.39 7.73 5.8 < 1.8 < 1.8 4/29/2016 Fri 7.34 7.72 7.2 2 < 1.8 4/30/2016 Sat 7.37 7.86 9.6 < 1.8 < 1.8 Permit Max 9.00 23 Permit Min 6.50 Permit Ave Total 221.17 232.77 377.6 101.3 58.2 96.9 72.0 796 796 Maximum 7.46 7.94 29.0 17 2 34.0 24.8 278 279 Minimum 7.26 7.64 5.8 1.8 1.8 30.8 22.9 258 250 Average 7.37 7.76 12.59 3.4 1.9 32.3 24.0 265 265 #Tests 30 30 30 30 30 3 3 3 3 Page 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT 6/27/2016 WASTEWATER TREATMENT PLANT MONTHLY REPORT 11:10 AM May 2016 < Flow MGD > BOD SS 2-Hr Peak Pond Pond Precipitation mg/L mg/L Date Day Inf Inf Eff Return Inf Inch Type Raw Final Raw Final 5/1/2016 Sun 3.50 4.8 3.63 0.02 Rain 5/2/2016 Mon 3.28 4.0 3.79 5/3/2016 Tue 3.20 4.2 3.25 5/4/2016 Wed 3.16 4.3 3.78 249 11.7 208 5.6 5/5/2016 Thu 3.43 4.2 4.05 0.73 Rain 5/6/2016 Fri 3.72 4.6 4.21 0.55 Rain 5/7/2016 Sat 3.81 5.1 4.07 0.25 Rain 207 10.2 154 6.6 5/8/2016 Sun 3.58 4.7 3.85 Rain 5/9/2016 Mon 3.48 4.4 3.75 5/10/2016 Tue 3.32 4.2 3.18 5/11/2016 Wed 3.30 4.2 4.28 193 8.2 188 5.1 5/12/2016 Thu 3.28 5.2 3.64 5/13/2016 Fri 3.33 4.1 3.41 5/14/2016 Sat 3.54 4.7 3.74 5/15/2016 Sun 3.49 4.8 3.90 0.20 Rain 246 9.0 204 5.1 5/16/2016 Mon 3.26 4.1 3.58 5/17/2016 Tue 3.18 4.0 3.45 5/18/2016 Wed 3.17 4.0 3.84 196 7.3 160 8.4 5/19/2016 Thu 3.23 4.0 3.82 5/20/2016 Fri 3.27 5.4 3.41 0.02 Rain 5/21/2016 Sat 3.43 4.6 3.87 236 7.4 155 4.7 5/22/2016 Sun 3.36 4.8 3.60 5/23/2016 Mon 3.22 4.0 3.47 0.02 Rain 5/24/2016 Tue 3.33 4.2 3.74 0.67 Rain 218 6.6 175 4.3 5/25/2016 Wed 3.09 3.9 3.45 0.06 Rain 5/26/2016 Thu 3.16 4.1 3.75 5/27/2016 Fri 3.37 4.1 3.67 5/28/2016 Sat 3.96 5.2 4.13 259 9.5 192 5.0 5/29/2016 Sun 4.22 6.0 4.23 5/30/2016 Mon 3.85 6.0 3.54 210 11.1 220 5.7 5/31/2016 Tue 3.34 4.5 3.80 Permit Max 7.7 45 60 Permit Min Permit Ave 30 30 Total 105.86 140.4 115.88 0.00 0.00 2.52 2014 81.0 1656 50.5 Maximum 4.22 6.0 4.28 0.00 0.00 0.73 259 11.7 220 8.4 Minimum 3.09 3.9 3.18 0.00 0.00 0.02 193 6.6 154 4.3 Average 3.41 4.5 3.74 0.28 224 9.0 184 5.6 #Tests 31 31 31 0 0 9 9 9 9 9 Page 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT 6/27/2016 WASTEWATER TREATMENT PLANT MONTHLY REPORT 11:10 AM May 2016 pH Chlorine <Final Total Coliforms> Total Nitrogen TDS Units mg/L MPN/100 mL mg/L mg/L Date Day Raw Final Final Total 7day-Median Raw Final Raw Final 5/1/2016 Sun 7.32 7.76 10.0 < 1.8 < 1.8 5/2/2016 Mon 7.25 7.75 6.6 < 1.8 < 1.8 34.1 22.9 5/3/2016 Tue 7.37 7.90 9.4 < 1.8 < 1.8 5/4/2016 Wed 7.42 7.76 12.0 < 1.8 < 1.8 5/5/2016 Thu 7.23 7.80 9.6 < 1.8 < 1.8 259 242 5/6/2016 Fri 7.28 7.69 10.0 2 < 1.8 5/7/2016 Sat 7.40 7.76 8.5 2 < 1.8 5/8/2016 Sun 7.32 7.78 8.6 7.8 < 1.8 5/9/2016 Mon 7.37 7.80 8.2 < 1.8 < 1.8 34.8 24.1 5/10/2016 Tue 7.38 7.78 8.3 2 2 262 257 5/11/2016 Wed 7.33 7.84 10.0 < 1.8 2 5/12/2016 Thu 7.34 7.78 9.4 < 1.8 2 5/13/2016 Fri 7.34 7.79 8.8 < 1.8 < 1.8 5/14/2016 Sat 7.48 7.84 9.0 < 1.8 < 1.8 5/15/2016 Sun 7.33 7.86 7.0 < 1.8 < 1.8 5/16/2016 Mon 7.46 7.98 8.8 2 < 1.8 38.0 27.1 5/17/2016 Tue 7.35 7.83 9.4 < 1.8 < 1.8 5/18/2016 Wed 7.35 7.74 8.8 < 1.8 < 1.8 248 262 5/19/2016 Thu 7.41 7.85 11.0 < 1.8 < 1.8 5/20/2016 Fri 7.41 7.92 8.6 4.5 < 1.8 5/21/2016 Sat 7.43 7.92 9.9 2 < 1.8 5/22/2016 Sun 7.38 7.85 9.7 < 1.8 < 1.8 5/23/2016 Mon 7.42 7.91 9.5 2 < 1.8 40.6 29.4 5/24/2016 Tue 7.43 7.82 8.8 2 2 5/25/2016 Wed 7.38 7.73 8.9 < 1.8 2 5/26/2016 Thu 7.35 7.84 9.3 1.8 2 5/27/2016 Fri 7.47 7.80 10.0 < 1.8 1.8 5/28/2016 Sat 7.45 7.86 6.5 < 1.8 < 1.8 5/29/2016 Sun 7.39 7.88 9.8 < 1.8 < 1.8 5/30/2016 Mon 7.32 7.78 16.0 < 1.8 < 1.8 44.5 36.3 244 300 5/31/2016 Tue 7.42 7.94 9.5 < 1.8 < 1.8 Permit Max 9.00 23 Permit Min 6.50 Permit Ave Total 228.58 242.54 289.9 65.9 57 192.0 139.8 1013 1061 Maximum 7.48 7.98 16.0 7.8 2 44.5 36.3 262 300 Minimum 7.23 7.69 6.5 1.8 1.8 34.1 22.9 244 242 Average 7.37 7.82 9.35 2.1 1.8 38.4 28.0 253 265 #Tests 31 31 31 31 31 5 5 4 4 Page 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT 7/11/2016 WASTEWATER TREATMENT PLANT MONTHLY REPORT 7.57 AM June 2016 < Flow MGD > BOD SS 2-Hr Peak Pond Pond Precipitation mg/L mg/L Date Day Inf Inf Eff Return Inf Inch Type Raw Final Raw Final 6/1/2016 Wed 3.19 4.1 2.94 6/2/2016 Thu 3.19 5.1 4.21 6/3/2016 Fri 3.34 4.2 4.25 6/4/2016 Sat 3.67 4.9 4.17 245 9.2 183 3.7 6/5/2016 Sun 3.62 5.2 4.00 6/6/2016 Mon 3.34 4.4 3.44 6/7/2016 Tue 3.21 4.2 1.32 2.10 6/8/2016 Wed 3.22 4.2 1.40 1.82 6/9/2016 Thu 3.33 4.1 6.12 2.17 238 7.4 207 2.7 6/10/2016 Fri 3.48 4.5 4.86 0.98 6/11/2016 Sat 3.77 5.0 4.94 0.77 237 7.9 194 2.2 6/12/2016 Sun 3.44 5.6 3.89 0.04 Rain 6/13/2016 Mon 3.37 5.0 3.64 6/14/2016 Tue 3.30 4.1 3.45 226 8.6 230 2.5 6/15/2016 Wed 3.30 4.4 3.74 6/16/2016 Thu 3.30 4.4 3.69 6/17/2016 Fri 3.51 4.6 4.15 6/18/2016 Sat 3.83 5.2 4.38 258 15.1 210 5.6 6/19/2016 Sun 3.66 5.5 3.67 6/20/2016 Mon 3.38 4.8 3.60 220 10.5 210 5.7 6/21/2016 Tue 3.34 4.6 3.60 6/22/2016 Wed 3.36 4.5 3.71 6/23/2016 Thu 3.42 4.6 4.19 6/24/2016 Fri 3.67 4.7 4.09 6/25/2016 Sat 3.93 5.3 3.96 254 10.2 228 5.8 6/26/2016 Sun 3.73 5.4 4.18 6/27/2016 Mon 3.49 4.6 3.60 6/28/2016 Tue 3.44 4.5 3.88 6/29/2016 Wed 3.39 4.5 3.45 258 8.0 213 3.2 6/30/2016 Thu 3.47 4.5 4.12 Permit Max 7.7 45 60 Permit Min Permit Ave 30 30 Total 103.69 140.7 114.64 3.92 3.92 0.04 1936 76.9 1675 31.5 Maximum 3.93 5.6 6.12 2.17 2.10 0.04 258 15.1 230 5.8 Minimum 3.19 4.1 1.32 0.77 1.82 0.04 220 7.4 183 2.2 Average 3.46 4.7 3.82 1.31 1.96 0.04 242 9.6 209 3.9 #Tests 30 30 30 3 2 1 8 8 8 8 Page 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT 7/11/2016 WASTEWATER TREATMENT PLANT MONTHLY REPORT 7.57 AM June 2016 pH Chlorine <Final Total Coliforms> Total Nitrogen TDS Units mg/L MPN/100 mL mg/L mg/L Date Day Raw Final Final Total 7day-Median Raw Final Raw Final 6/1/2016 Wed 7.33 7.94 13.0 < 1.8 < 1.8 6/2/2016 Thu 7.31 7.75 14.0 < 1.8 < 1.8 6/3/2016 Fri 7.40 7.80 12.0 < 1.8 < 1.8 6/4/2016 Sat 7.39 7.86 10.0 < 1.8 < 1.8 6/5/2016 Sun 7.37 7.90 10.5 < 1.8 < 1.8 6/6/2016 Mon 7.36 7.91 10.0 < 1.8 < 1.8 41.1 34.7 6/7/2016 Tue 7.26 10.0 < 1.8 < 1.8 6/8/2016 Wed 7.32 17.0 < 1.8 < 1.8 6/9/2016 Thu 7.35 7.88 12.0 < 1.8 < 1.8 246 274 6/10/2016 Fri 7.39 7.78 7.5 < 1.8 < 1.8 6/11/2016 Sat 7.61 7.88 8.5 < 1.8 < 1.8 6/12/2016 Sun 7.42 7.96 8.0 < 1.8 < 1.8 6/13/2016 Mon 7.41 7.92 11.0 < 1.8 < 1.8 39.9 37.0 285 6/14/2016 Tue 7.34 8.02 9.7 2 < 1.8 254 279 6/15/2016 Wed 7.44 7.85 6.7 < 1.8 < 1.8 6/16/2016 Thu 7.51 8.00 6.4 < 1.8 < 1.8 6/17/2016 Fri 7.45 7.92 7.1 < 1.8 < 1.8 6/18/2016 Sat 7.41 7.87 8.7 2 < 1.8 6/19/2016 Sun 7.40 7.91 6.5 < 1.8 < 1.8 6/20/2016 Mon 7.32 7.80 6.8 < 1.8 < 1.8 248 288 6/21/2016 Tue 7.37 7.90 6.5 13 < 1.8 42.7 32.6 6/22/2016 Wed 7.38 7.95 8.3 < 1.8 < 1.8 6/23/2016 Thu 7.43 7.76 8.6 2 < 1.8 6/24/2016 Fri 7.43 7.88 6.0 < 1.8 < 1.8 6/25/2016 Sat 7.42 7.86 6.6 < 1.8 < 1.8 6/26/2016 Sun 7.42 7.96 5.8 < 1.8 < 1.8 6/27/2016 Mon 7.38 7.90 8.4 < 1.8 < 1.8 44.5 39.0 6/28/2016 Tue 7.40 7.84 7.1 < 1.8 < 1.8 6/29/2016 Wed 7.41 7.97 6.4 < 1.8 < 1.8 6/30/2016 Thu 7.43 7.88 6.3 < 1.8 < 1.8 Permit Max 9.00 23 Permit Min 6.50 Permit Ave Total 221.86 220.85 265.4 65.8 54 168.2 143.3 748 1126 Maximum 7.61 8.02 17.0 13 1.8 44.5 39.0 254 288 Minimum 7.26 7.75 5.8 1.8 1.8 39.9 32.6 246 274 Average 7.40 7.89 8.85 2.2 1.8 42.1 35.8 249 282 #Tests 30 28 30 30 30 4 4 3 4 Page 3 SOUTH TAHOE PUBLIC UTILITY DISTRICT WASTEWATER TREATMENT PLANT NUMBER OF VIOLATIONS 2016 Parameter #Tests Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total Compliance Total Plant Inflow;7.7 MGD;Dry Weather 182 0 0 0 0 0 0 0 100.0% 2-Hour Peak Inflow; 18.5 MGD 182 0 0 0 0 0 0 0 100.0% BOD,30 Day Ave:30 mg/L 6 0 0 0 0 0 0 0 100.0% BOD, Max:45 mg/L 49 0 0 0 0 0 0 0 100.0% SS,30 Day Ave:30 mg/L 6 0 0 0 0 0 0 0 100.0% SS, Max:60 mg/L 51 0 0 0 0 0 0 0 100.0% pH,6.5 to 8.5 179 0 0 0 0 0 0 0 100.0% Total Coliforms, Max:240 MPN/100 mL 182 0 0 0 0 0 0 0 100.0% Total Coliforms,7-day Median:23 MPN 182 0 0 0 0 0 0 0 100.0% Total 1,019 0 0 0 0 0 0 0 0 0 0 0 0 0 100.0% Operational Problems and Major Maintenance Activities April — June 2016 Wastewater Treatment Facilities • Rehabilitation work progressed as expected at the Luther Lass Pump Station. Wastewater Conveyance System • Sewer Pump Stations o New 275KW Generator installed at Tahoe Keys Pump Station o New upgraded pumps installed Gardner Mountain Pump Station o Rebuilt pump installed Al Tahoe Pump station • Collection System o Multiple Inflow/infiltration problems found with CCTV, excavated and repaired o Wet well excavated and repaired at Vacuum Valve #3 Fallen Leaf Lake o 12' section of 6" main replaced on easement off Wagon Train Rd. Alpine County Disposal Facilities • Thomas Haen Company took a hiatus during the months of May and June from the District's Diamond Valley Ranch Irrigation Improvements Project, Phase 1. • DVR Staff repaired a small portion of the concrete canal portion of the Diamond Ditch on May 4th, as well as sealed superficial cracks along a 300 linear foot section on May 18th in preparation for the seasonal release of our recycled water, which began on Monday, June 20th. SOUTH TAHOE PUBLIC UTILITY DISTRICT MEMORANDUM Date: July 19, 2016 7. To: JULIE RYAN, SHANNON COTULLA \� Cc: TERRY POWERS, ROSS JOHNSON From: BRENT GOLIGOSKI Topic: Export Line Check (B-Line) ************************************************************** * On 6/21/2016, Brent Goligoski and Tim Rieger conducted a check of the District's export line from Luther Pass Pump Station to approximately STA 99+00 where the "B-Line" transitions to the "C-Line", the surge line and standpipe were also inspected. One wet spot on the surge line was checked but was tested negative. No damage to the pipe was found. This inspection was performed after the B-Line was drained and refilled for installation of new piping in the Luther Pass Pump Station. Sample Sites Alpine County Monitoring Wells ACMW-01AW 38.766952 -119.781561 Below Main Dam Monitoring Well ACMW-01 BE 38.766333 -119.785321 Below Secondary Dam Monitoring Well ACMW-02N 38.772392 -119.776819 Access gate Monitoring Well ACMW-02S 38.772341 -119.776816 Access gate Monitoring Well ACMW-03W 38.815138 -119.778848 Fredericksburg D @Hwy 88 Monitoring Well ACMW-04W 38.836719 -119.779439 Gansberg Ranch Monitoring Well ACMW-06N 38.800522 -119.763225 Celio Ranch,along DV Rd Monitoring Well ACMW-06S 38.800481 -119.763195 Celio Ranch,along DV Rd Monitoring Well ACMW-07S 38.771882 -119.801658 Diamond Valley Ranch Monitoring Well ACMW-07D 38.771882 -119.801658 Diamond Valley Ranch Monitoring Well ACMW-08N 38.773618 -119.776847 Diamond Valley Ranch Monitoring Well ACMW-08S 38.773618 -119.776847 Diamond Valley Ranch Monitoring Well ACMW-09D 38.780489 -119.790314 Diamond Valley Ranch Monitoring Well ACMW-09S 38.780489 -119.790314 Diamond Valley Ranch Monitoring Well ACMW-10 38.773336 -119.794246 Diamond Valley Weather Station Monitoring Well ACMW-11 38.775595 -119.788216 Diamond Valley Ranch Monitoring Well ACMW-12 38.777644 -119.795388 Diamond Valley Ranch Monitoring Well ACMW-13 38.768977 119.797083 Diamond Valley Ranch Monitoring Well ACMW-14 38.767441 119.793215 Diamond Valley Ranch Monitoring Well ACMW-15 38.769600 119.784280 Diamond Valley Ranch Monitoring Well ACMW-16 38.773829 119.784173 Diamond Valley Ranch Monitoring Well ACMW-17 38.776273 119.790107 Diamond Valley Ranch Monitoring Well ACMW-18 38.779213 119.782997 Diamond Valley Ranch Monitoring Well ACMW-19 38.776249 119.762112 Diamond Valley Ranch Monitoring Well ACMW-20 38.808781 119.777665 Near SW-05 Monitoring Well ACMW-21 38.819915 119.777072 Emigrant Trail near Chambers Lane Monitoring Well ACMW-22 38.829022 119.783738 Fredericksburg Lane near S7 Monitoring Well ACMW-23 38.825384 119.760193 On road to SW-15,upstream(S) Monitoring Well ACMW-24 38.832193 119.757427 On road,downstream (N) of SW-15 Monitoring Well ACMW-25 38.830470 119.769901 Road between Brooke's&Neddenriep @ Neddenripp's Monitoring Well ACMW-26 38.840602 119.769677 Road between Brooke's&Neddenriep @ Stateline Monitoring Well Alpine County Domestic Well GW-01 38.761146 -119.810926 Cohen House Domestic Well GW-02 38.772195 -119.801259 DV Ranch Domestic well Domestic Well GW-03 38.789132 -119.752446 Springmeyer Ranch house Domestic Well GW-04 38.800343 -119.762579 Celio Ranch house Domestic Well GW-05 38.830897 -119.773807 Neddenriep Ranch house Domestic Well GW-07 38.838895 -119.794154 Gansberg,Jr,Ranch house Domestic Well GW-08 38.815528 -119.781095 Arant Ranch house Domestic Well GW-11 38.766522 -119.808540 Diamond Valley School Domestic Well GW-14 38.757140 -119.818462 Sierra Pines Store Domestic Well GW-17 DV Ranch Domestic well Domestic Well D:\Lahontan\Sample Sites\Lahontan Report-Sample Sites.xls Page 1 of 2 Sample Sites lr; Alpine County Surfacewater Sites SW-01 38.768903 -119.838353 Carson River,W Fork,Crystal Springs Rd Surfacewater SW-02 38.756651 -119.806706 Indian Creek @ Diversion Surfacewater SW-03 38.773149 -119.772618 Indian Creek downstream of 1st bridge Surfacewater SW-04 38.776730 -119.760423 Indian Creek upstream of 2nd bridge Surfacewater SW-05 38.809525 -119.777030 Carson River,W Fork,Paynesville Surfacewater SW-06 38.840850 -119.764100 Carson River,W Fork,Stateline Surfacewater SW-07 38.854967 -119.786541 Fredericksburg Ditch Surfacewater SW-08 38.786579 -119.799800 Irrigation Ditch along Carson River Road Surfacewater SW-09 38.867242 -119.760810 Carson River,W Fork,Dressler Lane Surfacewater SW-10 38.788719 -119.750599 Indian Creek @ Springmeyer Ranch Surfacewater Alpine County Soils Sites S-2 38.800316 -119.764305 Celio Ranch Soil S-3 38.801156 -119.780333 Bentley Ranch Soil S-4 38.842761 -119.780047 Gansberg Ranch Soil S-5 38.836900 -119.780200 Gansberg Ranch Soil S-6 38.829075 -119.780010 Neddenriep Ranch Soil S-7 38.829190 -119.785420 Bruns Ranch Soil S-8 38.817425 -119.757000 On-Farm Soil Heavenly Valley Creek HVC-1 38.917861 -119.959632 Heavenly Valley Creek;Downstream of Pioneer Surfacewater HVC-2 38.920120 -119.969390 Heavenly Valley Creek;250'upstream of Pond#2 Surfacewater HVC-3 38.921373 -119.971421 Heavenly Valley Creek;25'downstream of Meadow Crest Dr Surfacewater HVC-4 38.920591 -119.969271 Heavenly Valley Creek;Effluent of drain from Lower Shop area Surfacewater HVC-5 38.921278 -119.971090 Heavenly Valley Creek;Effluent of drainage pipe along Meadow Crest Dr Surfacewater Tahoe Basin Monitoring Wells . Control 38.9135951 -119.9623870 North east of post office @ Black Bart and Pioneer Trail Monitoring Well MW01-50 38.9131807 -119.9640739 SE corner of Emergency Retention Basin,At access gate to ERB Monitoring Well MW01.5 38.9129062 -119.9642166 SE corner of Emergency Retention Basin,At access gate to ERB Monitoring Well MW02-50 38.9128116 -119.9652141 South side of Emergency Retention Basin,on Black Bart Ave Monitoring Well MW03-50 38.9129187 -119.9657562 South side of Emergency Retention Basin,on Black Bart Ave Monitoring Well MW03.5 38.9140351 -119.9664341 W side of Emergency Retention Basin,off Hank Monk Ave Monitoring Well MW04-50 38.9148881 -119.9666463 W side of Emergency Retention Basin,off Hank Monk Ave Monitoring Well MW05-50 38.9157076 -119.9663302 NW corner of Emergency Retention Basin,off Hank Monk Ave Monitoring Well MW06/50 38.9157148 -119.9648075 North side of Emergency Retention Basin Monitoring Well MW07-50 38.9157020 -119.9639551 NE corner of Emergency Retention Basin Monitoring Well MW08-25 38.9213967 -119.9709800 SW corner of Pond#1,at south access gate to STPUD Monitoring Well MW11 38.9238680 -119.9677190 250 ft south east of North Gate(to Al Tahoe Blvd) Monitoring Well MW12 38.9226200 -119.9683700 110 ft south of Biosolids Building Monitoring Well MW13 38.9206200 -119.9692200 125 ft south east of Pond#2 Monitoring Well Ditch Sites DD-01 38.765624 -119.780543 Diamond Ditch @ beginning;HPR effluent Ditch SW-12 38.809127 -119.777411 Bruns Diversion Ditch SW-13 38.810082 -119.776900 Fredericksburg Ditch Ditch SW-14 38.866992 -119.794173 Fredericksburg Ditch Ditch SW-15 38.828440 -119.756263 Celio Tail water Ditch SW-16 38.866896 -119.783627 Drain Ditch @ Fairview Ln Ditch Reservoirs HPR 38.764500 -119.780450 Harvey Place Reservoir Reservoir Page 2 of 2 1-,.%4..r,....,e..res....ae cxodr=r,nnran Rwnort-Semple Sites.xls •0u1 l.IDO4deW'L661.(0);y&uAdo� r)OLLWJIJISSYIJ OYOL• 000 Yd 1 1'IYJ9 c,„„ns irzlibio .V,) `l hP4IL '''''''''-"..-*.."?.7:42,,,, � 1-'•% ,. • _tS, Pba 11M 00D011 IA l^ 14 SS ra.nrlt rr KI IS. 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't ,'y 11 : 1 r ;c • 4, i ;1'• IF fMxr -Ai x. / `. V lr 1'14 r ' .I • ;.-'.„n \\ '••:41.• .• �t`l't, w�' :,. .`x .t.,-.,.-0 ] - ✓tKF.�..i` T'i =...1 F .4,1(4:1,6,..4"-,:,9,1,:;',7� Jjl� t-I l WC'9y � r (•? ut •. 1ft '> . ?-,.lE, ;1`�..`.t ::',4.4.::•::d:::, I • i ] ":.1'..,:t2';%;::.;',.. * .f''�'' .4'..::t 1 --...-..:.:,-,..4„,,,9:17.1,,t,..--.771, i 1, 1 Itl r 4}x, 1 +w-^ r I : 1 . ' I ..,/ eI ,at l;r ▪ it P. ]�rlww t 9sr. t 1 N r \ �j�• �4t;• i � i 1'l EXPLANATION I; 1:$ , � .I L, l{. b.n. I. ('T r , c�t.� , 1',,. I�( MONITOR WELL 4./ j �t r d% .:..,•••1•1•5,‘..::.,......).(?/2, , }�, N 2. ''''.•••;.• 4rT' � E •,cq PRIVATE WELL '}.. ,..z'R 1 ',..ry ,lr•..' • �' 1`iT rt A•u X '". . 1 «•, „Ya-''` ,: ., Irripatlon.Recylad-27v ter 1 �.�y d • • k:'•. 1 ,- �_ ♦ ...,",:Z41,..:,.;,..1'.::. I , [ '.]brigade"•Blended Regded Nater I , t,]�'' r�+ I I I1 t 111 'IL • - • "'°° ° "" SOUTH TAHOE PUBLIC UTILITY DISTRICT N RECYCLED WATER MONITORING PROGRAM WELL LOCATIONS � 78=E CARSON VALLEYALPINE GROUNDWATERCOUNTY, CA BASIN (6-6) s `, Harvey Place Reservoir Recycled Water Current Storage Not including 200+/-acre-foot dead pool Maximum Storage,Acre-feet: 3,800 Stored Remaining Date Acre-feet Acre-feet 01/01/14 693 3,107 02/01/14 1,043 2,757 03/01/14 1,357 2,443 04/01/14 1,646 2,154 05/01/14 1,864 1,936 06/01/14 1,966 1,834 07/01/14 1,528 2,272 08/01/14 866 2,934 09/01/14 235 3,565 10/01/14 80 3,720 11/01/14 220 3,580 12/01/14 410 3,390 01/01/15 643 3,157 02/01/15 953 2,847 03/01/15 1,248 2,552 04/01/15 1,448 2,352 05/01/15 1,626 2,174 06/01/15 1,744 2,056 07/01/15 1,395 2,405 08/01/15 693 3,107 09/01/15 91 3,709 10/01/15 67 3,733 11/01/15 217 3,583 12/01/15 446 3,354 01/01/16 743 3,057 02/01/16 1,185 2,615 03/01/16 1,493 2,307 04/01/16 1,875 1,925 05/01/16 2,104 1,696 06/01/16 2,322 1,478 E:WPRWPR Current Storage-Lahontan_Report.de Acre-feet Ni Ni W C) (A O IA b U1 O CJI b o o O O O O 0 0 O / 1 / 1 111 1111 1111 1111 1111 1111 11 / 1 01/14 02/14 03/14 04/14 05/14 06/14 07/14 08/14 7J I 09/14CD ID 10/14 11/14 CI) CD 12/14 C 01/15 Q. v 02/15 03/15A) - rF 04/15 05/15 mil 06/15_ y 07/15 pit 0 CD Co 08/15 m o _ A) m m 09/15 (Q O°. 10/15 CD "I 11/15 12/15 01/16 02/16 03/16 04/16 05/16 06/16 07/16 08/16 09/16 10/16 r 11/16 12/16 FGL ENVIRONMENTAL AGRICULTURAL Analytical Chemists July 6, 2016 South Tahoe Public Utility District Lab ID : SP 1607357 1275 Meadow Crest Drive Customer : 2-11369 South Lake Tahoe, CA 96150 Laboratory Report Introduction: This report package contains total of 5 pages divided into 3 sections: Case Narrative (1 pages) : An overview of the work performed at FGL. Sample Results (2 pages) : Results for each sample submitted. Quality Control (2 pages) : Supporting Quality Control (QC)results. Case Narrative This Case Narrative pertains to the following samples: Sample Description Date Date FGL Lab ID# Matrix Sampled Received Travel Blank 06/28/2016 06/29/2016 SP 1607357-000 LBW DD-01;Diamond Ditich @ Start 06/28/2016 06/29/2016 SP 1607357-001 WW Sampling and Receipt Information: All samples were received in acceptable condition and within temperature requirements,unless noted on the Condition Upon Receipt(CUR) form. All samples arrived at 6 °C. All samples were prepared and analyzed within the method specified hold time. All samples were checked for pH if acid or base preservation is required(except for VOAs). For details of sample receipt information,please see the attached Chain of Custody and Condition Upon Receipt Form. Quality Control: All samples were prepared and analyzed according to the following tables: Organic QC 5030B 07/01/2016:207734 All preparation quality controls are within established criteria 8260B 07/01/2016:209516 All analysis quality controls are within established criteria Certification:: I certify that this data package is in compliance with ELAP standards,both technically and for completeness, except for any conditions listed above. Release of the data contained in this data package is authorized by the Laboratory Director or his designee, as verified by the following electronic signature. KD:DMB Digitdly signed by David Terz,B.A,M.B.A. Approved By David Terz,B.A.,M.B.A. T0le:QADre rn Date:2016-07-07 Page 1 of 5 Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 San Luis Obispo,CA 93401 Visalia,CA 93291 TEL:(805)392-2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 TEL:(559)734-9473 Env FAX:(805)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)783-2912 FAX:(559)734-8435 CA ELAP Certification No.1573 CA ELAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810 FQL ENVIRONMENTAL AGRICULTURAL Analytical Chemists July 6, 2016 Lab ID : SP 1607357-000 Customer ID : 2-11369 South Tahoe Public Utility District 1275 Meadow Crest Drive Sampled On : June 28, 2016-00:00 South Lake Tahoe, CA 96150 Sampled By : T. Powers Received On : June 29, 2016-11:40 Matrix : Lab. Blank Water Description : Travel Blank Project : HPR VOC Sample Result- Organic Constituent Result PQL Units Note Sample Preparation Sample Analysis Method Date/ID Method Date/ID ..EPA 8260VO4rt 4-Bromofluorobenzenet 99.0 79-119 % 50308 07/01/16:207734 8260B 07/01/16:209516 Dibromofluoromethanet 102 84-136 % 5030B 07/01/16:207734 8260E 07/01/16:209516 1,2-Dichloroethane-d0 92.0 58-166 % 5030B 07/01/16:207734 8260E 07/01/16:209516 Toluene-d8x 99.7 88-111 % 50308 07/01/16:207734 8260B 07/01/16:209516 Benzene ND 0.5 ug/L 50308 07/01/16:207734 8260B 07/01/16:209516 Bromodichloromethane ND 1 ug/L 5030E 07/01/16:207734 8260B 07/01/16:209516 Bromoform ND 1 ug/L 5030B 07/01/16:207734 8260B 07/01/16:209516 tert-Butanol ND 5 ug/L 5030B 07/01/16:207734 8260E 07/01/16:209516 Chloroform ND 1 ug/L 5030B 07/01/16:207734 8260B 07/01/16:209516 Dibromochloromethane ND 1 ug/L 50308 07/01/16:207734 8260B 07/01/16:209516 Di-isopropyl ether(DIPE) ND 0.5 ug/L 5030B 07/01/16:207734 82608 07/01/16:209516 Ethyl Benzene ND 0.5 ug/L 5030B 07/01/16:207734 8260E 07/01/16:209516 Ethyl tert-butyl ether ND 0.5 ug/L 5030B 07/01/16:207734 82608 07/01/16:209516 (ETRE) Methyl tert-butyl ether ND 0.2 ug/L 50308 07/01/16:207734 8260B 07/01/16:209516 (MTBE) 6 tert-Amyl methyl ether ND 0.5 ug/L 5030B 07/01/16:207734 8260E 07/01/16:209516 (TAME) Toluene ND 0.5 ug/L 5030E 07/01/16:207734 8260E 07/01/16:209516 Xylenes ND -- ug/L 5030B 07/01/16:207734 8260E 07/01/16:209516 Total Trihalomethanes ND -- ug/L 5030B 07/01/16:207734 8260E 07/01/16:209516 Xylenes m,p ND 0.5 ug/L 5030B 07/01/16:207734 8260B 07/01/16:209516 Xylenes o ND 0.5 ug/L 5030E 07/01/16:207734 8260B 07/01/16:209516 ND=Non-Detected.PQL=Practical Quantitation Limit.Containers:(VOA)VOA Preservatives:HCI pH<2$Surrogate.*PQL adjusted for dilution. Page 2 of 5 Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 San Luis Obispo,CA 93401 Visalia,CA 93291 TEL:(805)392-2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 TEL:(559)734-9473 Env FAX:(805)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)783-2912 FAX:(559)734-8435 CA ELAP Certification No.1573 CA ELAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810 FGL ENVIRONMENTAL AGRICULTURAL Analytical Chemists July 6, 2016 Lab ID : SP 1607357-001 Customer ID : 2-11369 South Tahoe Public Utility District 1275 Meadow Crest Drive Sampled On : June 28, 2016-11:07 South Lake Tahoe, CA 96150 Sampled By : T. Powers Received On : June 29, 2016-11:40 Matrix : Waste Water Description : DD-01; Diamond Ditich @ Start Project : HPR VOC Sample Result- Organic Constituent Result PQL Units Note Sample Preparation Sample Analysis Method Date/ID Method Date/ID EPA 8260vOA:l'3 4-Bromofluorobenzene0 101 79-119 % 5030B 07/01/16:207734 8260E 07/01/16:209516 Dibromofluoromethanet 105 84-136 % 5030B 07/01/16:207734 8260B 07/01/16:209516 1,2-Dichloroethane-de 89.5 58-166 % 5030B 07/01/16:207734 8260E 07/01/16:209516 Toluene-d81 97.7 88-111 % 5030B 07/01/16:207734 8260B 07/01/16:209516 Benzene ND 0.5 ug/L 5030E 07/01/16:207734 8260B 07/01/16:209516 Bromodichloromethane ND 1 ug/L 5030E 07/01/16:207734 8260B 07/01/16:209516 Bromoform ND 1 ug/L 5030B 07/01/16:207734 8260B 07/01/16:209516 tert-Butanol ND 5 ug/L 5030B 07/01/16:207734 8260B 07/01/16:209516 Chloroform ND 1 ug/L 5030B 07/01/16:207734 8260B 07/01/16:209516 Dibromochloromethane ND 1 ug/L 5030B 07/01/16:207734 8260E 07/01/16:209516 Di-isopropyl ether(DIPE) ND 0.5 ug/L 5030E 07/01/16:207734 8260B 07/01/16:209516 Ethyl Benzene ND 0.5 ug/L 5030B 07/01/16:207734 8260E 07/01/16:209516 Ethyl tert-butyl ether ND 0.5 ug/L 5030B 07/01/16:207734 826013 07/01/16:209516 (ETRE) Methyl tert-butyl ether ND 0.2 ug/L 5030B 07/01/16:207734 8260B 07/01/16:209516 (MTBE) tert-Amyl methyl ether ND 0.5 ug/L 5030B 07/01/16:207734 8260B 07/01/16:209516 (TAME) Toluene ND 0.5 ug/L 5030B 07/01/16:207734 8260B 07/01/16:209516 Xylenes ND -- ug/L 5030E 07/01/16:207734 8260E 07/01/16:209516 Total Trihalomethanes ND -- ug/L 5030B 07/01/16:207734 8260E 07/01/16:209516 Xylenes m,p ND 0.5 ug/L 5030B 07/01/16:207734 8260B 07/01/16:209516 Xylenes o ND 0.5 ug/L 5030B 07/01/16:207734 8260B 07/01/16:209516 ND=Non-Detected.PQL=Practical Quantitation Limit.Containers:(VOA)VOA Preservatives:HCl pH<2$Surrogate.*PQL adjusted for dilution. Page 3 of 5 Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 San Luis Obispo,CA 93401 Visalia,CA 93291 TEL:(805)392-2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 TEL:(559)734-9473 Env FAX:(805)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)783-2912 FAX:(559)734-8435 CA ELAP Certification No.1573 CA ELAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810 FGL ENVIRONMENTAL AGRICULTURAL Analytical Chemists July 6, 2016 Lab ID : SP 1607357 South Tahoe Public Utility District Customer : 2-11369 Quality Control-Organic Constituent Method Date/ID Type Units Conc. QC Data DQO Note Organic 1,2-Dichloroethane-d4 5030B 07/01/16:207734VRG Blank ug/L 25.00 87.4% 58-166 LCS ug/L 25.00 88.7% 58-166 MS ug/L 25.00 88.7% 58-166 (SP 1607357-001) MSD ug/L 25.00 87.3% 58-166 MSRPD ug/L 25.00 1.6% <20.0 4-Bromofluorobenzene 5030B 07/01/16:207734VRG Blank ug/L 25.00 96.9% 79-119 LCS ug/L 25.00 99.1% 79-119 MS ug/L 25.00 98.2% 79-119 (SP 1607357-001) MSD ug/L 25.00 95.7% 79-119 MSRPD ug/L 25.00 2.6% <20.0 Benzene 5030B 07/01/16:207734VRG Blank ug/L ND <0.5 LCS ug/L 25.00 97.7% 60-134 MS ug/L 25.00 94.0% 47-169 (SP 1607357-001) MSD ug/L 25.00 91.2% 47-169 MSRPD ug/L 25.00 3.1% 4 Bromodichloromethane 5030B 07/01/16:207734VRG Blank ug/L ND <0.5 Bromoform 5030B 07/01/16:207734VRG Blank ug/L ND <0.5 Chloroform 5030B 07/01/16:207734VRG Blank ug/L ND <1 Dibromochloromethane 5030B 07/01/16:207734VRG Blank ug/L ND <1 Dibromofluromethane 5030B 07/01/16:207734VRG Blank ug/L 25.00 96.7% 84-136 LCS ug/L 25.00 95.1% 84-136 MS ug/L 25.00 97.5% 86-127 (SP 1607357-001) MSD ug/L 25.00 96.0% 86-127 MSRPD ug/L 25.00 1.5% 20.0 Ethyl tert-Butyl Ether 5030B 07/01/16:207734VRG Blank ug/L ND <2 Ethylbenzene 5030B 07/01/16:207734VRG Blank ug/L ND <0.5 Isopropyl Ether 5030B 07/01/16:207734VRG Blank ug/L ND <5 Methyl tert-Butyl Ether(MTBE) 5030B 07/01/16:207734VRG Blank ug/L ND <2 TAME 5030B 07/01/16:207734VRG Blank ug/L ND <5 tert-Butanol 5030B 07/01/16:207734VRG Blank ug/L ND <5 Toluene 5030B 07/01/16:207734VRG Blank ug/L ND <0.5 LCS ug/L 25.00 99.9% 56-131 MS ug/L 25.00 98.6% 44-164 (SP 1607357-001) MSD ug/L 25.00 96.6% 44-164 MSRPD ug/L 25.00 2.0% <30 Toluene-d8 5030B 07/01/16:207734VRG Blank ug/L 25.00 99.0% 88-111 LCS ug/L 25.00 99.9% 88-111 MS ug/L 25.00 98.6% 88-111 (SP 1607357-001) MSD ug/L 25.00 100% 88-111 MSRPD ug/L 25.00 1.7% <20.0 Xylenes m,p 5030B 07/01/16:207734VRG Blank ug/L ND <2 Xylenes o 5030B 07/01/16:207734VRG Blank ug/L ND <2 1,2-Dichloroethane-d4 8260B 07/01/16:209516VRG CCV ug/L 25.00 87.4% 70-130 4-Bromofluorobenzene(BFB) 8260B 07/01/16:209516VRG CCV ug/L 25.00 100% 70-130 Benzene 8260B 07/01/16:209516VRG CCV ug/L 25.00 95.0% 70-130 Bromodichloromethane 8260B 07/01/16:209516VRG CCV ug/L 25.00 87.2% 70-130 Bromoform 8260B 07/01/16:209516VRG CCV ug/L 25.00 70.7% 70-130 Chloroform 8260B 07/01/16:209516VRG CCV ug/L 25.00 89.3% 80-120 Dibromochloromethane 8260B 07/01/16:209516VRG CCV ug/L 25.00 89.1% 70-130 Dibromofluromethane 8260B 07/01/16:209516VRG CCV ug/L 25.00 96.1% 70-130 Ethyl tert-Butyl Ether 8260B 07/01/16:209516VRG CCV ug/L 25.00 103% 50-150 Ethylbenzene 8260B 07/01/16:209516VRG CCV ug/L 25.00 110% 80-120 Isopropyl Ether 8260B 07/01/16:209516VRG CCV ug/L 25.00 98.5% 50-150 Methyl tert-Butyl Ether 8260B 07/01/16:209516VRG CCV ug/L 25.00 108% 70-130 TAME 8260B 07/01/16:209516VRG CCV ug/L 25.00 108% 50-150 Page 4 of 5 Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 San Luis Obispo,CA 93401 Visalia,CA 93291 TEL:(805)392-2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 TEL:(559)734-9473 Env FAX:(805)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)783-2912 FAX:(559)734-8435 CA FLAP Certification No.1573 CA ELAP Certification No.1563 CA FLAP Certification No.2670 CA FLAP Certification No.2775 CA SLAP Certification No.2810 July 6, 2016 Lab ID : SP 1607357 South Tahoe Public Utility District Customer : 2-11369 Quality Control-Organic Constituent Method Date/ID Type Units Conc. QC Data DQO Note Organic tert-Butanol 8260B 07/01/16:209516VRG CCV ug/L 125.0 99.5% 50-150 Toluene 8260B 07/01/16:209516VRG CCV ug/L 25.00 98.6% 80-120 Toluene-d8 8260B 07/01/16:2095I6VRG CCV ug/L 25.00 100% 70-130 Xylene m,p 8260B 07/01/16:209516VRG CCV ug/L 50.00 _ 116% 70-130 Xylenes o 8260B 07/01/16:209516VRG CCV uWL., 25.00 119% 70-130 Definition CCV :Continuing Calibration Verification-Analyzed to verify the instrument calibration is within criteria. Blank :Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. LCS :Laboratory Control Standard/Sample-Prepared to verify that the preparation process is not affecting analyte recovery. MS :Matrix Spikes-A random sample is spiked with a known amount of analyte.The recoveries are an indication of how that sample matrix affects analyte recovery. MSD :Matrix Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a known amount of analyted.The recoveries are an indication of how that sample matrix affects analyte recovery. MSRPD :MS/MSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation and analysis. ND :Non-detect-Result was below the DQO listed for the analyte. DQO :Data Quality Objective-This is the criteria against which the quality control data is compared. Page 5 of 5 SOUTH TAHOE PUBLIC UTILITY DISTRICT if CHAIN OF CUSTODY `'" `' _°-��' Turnaround Time South Tahoe Public UtilityDistrict e � �^,° .'' {'.,.`' Mibi .:44 •"0 Lab Sent to: r'''Ce <_ amu: :s{ >... s f;I 1275 Meadow Crest Drive ,- /, ii. p: : r _ # t'y'i` r// fxL +:may.:.: ,: ;� . Standard South Lake Tahoe,CA 96150 :` -........--1'"• Sampler. q r 24 Hr Phone:(530)-543-6231 '' •'••,::.•"''.� j � _ r FAX: 530-541-4296 i'' ac . ":•....,.•:• '?,�. d 'MO.'.4 4, j'n{i • e 48 Hr fp C /y�.� «.,,... •• • °,. < •4l a Other ••••••„,-,;.• y� •:�G2r•i �"' .` .lf t i �rr'no , -».; I ;..-,•,...:...?' £' x..4...n,•••..,;',.4• is Lai s/� _� f f3k :31.::�:: 1::1.'.£::',:,'a£....:;z _ ?3 '. 7C p ;u:; ,�.tg'o m f. Kzc.::c: ::i.„%„ ;o .:�:t'i;?a3 z; z z SfxC�: if , 4 V ..w,,r 17:ka£ '; ....4>:.:..:, «::;;_c: ::i'" 5/:`:A :;•':;µ . f ^ ;r5.,.. :`a </.X.L'.,' r3.5, t:Y•',...:, 3 '<S>�: ...< . .�'., a�; .z.. �?x'.z?.' ? �<,,•;:" ,,.a�»?',r;z;:•I..zv �„�. x�v3.. ,c,.:,a?y t:rz: ..'..'4% n•, Ma ^-� > x.. ,x rfx x,. t K C ,„�z :<,,.... .f}' 'L.)::" ...✓�.`y'.„ ';,72'!::. .L4` , 3f�Qty fir y^liy v"��^. j..S'. 7k .k.,.,,..,.Crnfw.:4.:,�':..-,::.. k ,:..n 2 � Svlt. ;xx.h.;� a4 .:.�.;::,.,=�;f[„;,.,s:zzi�....�^<,.,. ; . :::�,:. :z. , ' . " ..i.:::zz:%zs. ;sib;;�# ;;,i. :.�...; i ilniffiliiirl r S 6.55 ., k . I /-i ��, MIME/ iiiimiiiiimii=1 • Comments: Relinquished�,,, Received by: o Report MTBE to 0.5µg/L Note any detection of MTBE a 0.2 mg/L �% l/ e�� o Analyze Travel and Field Blanks only if VOCs detected in samples. Signature ` el- Signature o Use Calif State Write-On form to report results of Potable Water Wells Print 1(' �QGU"fiv Print Company South Tatioe Public Utility District Company Please Return all STPUD ice chests & Blue Ice. Date: Q d:1e/6 Time / a care: Time ..�w...... %4t:.i..:,.?...4....,-,..:.,,,..,,,,,,r,..,,,..::,.:.,/,. 7 ,: x, Received ,;w►. #' {s ;:;, .... ': r; i. ' ;fr��,��,,iY,u�:;„?��;�:+...$:�,'a,,�#`? ax✓u:� Relinquished by: Received intact:` Signature \S) Signature '1 ��,'/ Print Print / ` \j Received cold 4 Co Custody seals Company ►►P�Y Cr Date: lime Date: 4 ,I. I Time 0 Correct container 1' i • l• ab�Forms�cnain a r00k 601u411L J (9r6, Page of u FGL Environmental Doc ID: 2D0900157_SOP_17.DOC Revision Date: 10/09/14 Page: 1 of 1 Condition Upon Receipt (Attach to COC) Sample Receipt at SP: 1.Number of ice chests/packages received: 1 2. Shipper tracking numbers D10010964465772 3.Were samples received in a chilled condition? Temps: 6 / 4.Surface water(SWTR)bact samples:A sample that has a temperature upon receipt of>10C,whether iced or not, should be flagged unless the time since sample collection has been less than two hours. 5.Do the number of bottles received agree with the Yes No N/A COC? 6.Verify sample date,time, sampler Yes No N/A 7.Were the samples received intact?(i.e. no broken Yes No bottles, leaks,etc.) 8.Were sample custody seals intact? Yes No N/A Sample Verification,Labeling and Distribution: 1.Were all requested analyses understood and Yes No acceptable? 2. Did bottle labels correspond with the client's ID's? Yes No 3.Were all bottles requiring sample preservation Yes No N/A FGL properly preserved? [Exception:Oil&Grease,VOA and CrVI verified in lab] 4.VOAs checked for Headspace? Yes No N/A 5.Were all analyses within holding times at time of Yes No receipt? 6. Have rush or project due dates been checked and Yes No N/A accepted? Include a copy of the COC for lab delivery. (Bacti. Inorganics and Radio) Sample Receipt, Login and Verification completed by: Reviewed andDigitally signed by Shaven Peck Shawn Peck Title:Sample Receiving Approved By Date:06292016-12:57:21 Discrepency Documentation: Any items above which are"No"or do not meet specifications(i.e.temps)must be resolved. 1. Person Contacted: Phone Number: Initiated By: Date: Problem: Resolution: 2. Person Contacted: Phone Number: Initiated By: Date: Problem: Resolution: (2011369) South Tahoe Public Utility District SP 1607357 SRP-06/29/2016-12:57:21 Alpine County Summary Report Temp pH EC DO Alk TDS SS Turb Chloride Sulfate ACMW-OIAW 04/06/2016 Main Dam 11.6 6.40 83.2 34.3 81 2.08 5.69 ACMW-01BE 04/06/2016 Secondary Dam 7.5 6.31 150 74.7 120 1.68 2.88 ACMW-02N 04/06/2016 Access Gate 13.0 6.81 189 87.9 127 2.66 2.39 ACMW-02S 04/06/2016 Access Gate 11.8 6.18 112 42.4 66 1.86 6.46 ACMW-04W 04/06/2016 Gansberg 12.0 6.10 226 41.0 152 21.3 19.2 ACMW-06S 04/06/2016 Celio 12.1 10.18 436 85.9 257 68.2 36.3 ACMW-07S 05/11/2016 Diamond Valley Ranch 11.5 6.72 100 46.8 89 1.50 2.40 ACMW-08N 05/11/2016 Diamond Valley Ranch 12.4 6.73 149 74.9 120 1.13 1.03 ACMW-09D 05/24/2016 Diamond Valley Ranch 12.6 6.41 78.7 32.3 81 1.41 3.18 ACMW-10 05/24/2016 Diamond Valley Ranch 12.7 6.41 178 73.6 140 5.32 3.18 ACMW-11 05/24/2016 Diamond Valley Ranch 9.9 6.33 86.7 22.1 68 2.62 4.00 ACMW-12 05/11/2016 Diamond Valley Ranch 12.2 6.56 109 51.0 100 1.75 2.66 ACMW13 05/11/2016 Diamond Valley Ranch 10.1 6.01 88.6 38.2 127 2.02 2.16 ACMW-14 05/24/2016 Diamond Valley Ranch 9.8 6.15 88.3 25.7 82 2.32 2.73 ACMW-15 05/17/2016 Diamond Valley Ranch 10.8 5.91 172 16.3 156 <2 <2 ACMW-16 05/17/2016 Diamond Valley Ranch 10.4 6.23 236 21.5 199 3.61 5.74 ACMW-17 05/17/2016 Diamond Valley Ranch 12.1 6.23 97.2 32.5 78 1.67 2.97 ACMW-18 05/17/2016 Diamond Valley Ranch 12.6 6.30 108 24.9 94 1.70 2.74 ACMW-19 05/17/2016 Diamond Valley Ranch 11.2 6.72 209 102 138 3.66 3.17 ACMW-20 05/04/2016 Diamond Valley Rd- 11.2 6.09 189 22.7 171 4.28 4.14 Paynesville ACMW-21 05/04/2016 River Ranch Rd 10.0 6.36 96.5 36.6 78 4.79 3.86 ACMW-22 05/04/2016 Fredericksburg Ln 13.2 6.17 113 39.8 95 4.22 1.81 ACMW-23 05/04/2016 Scott Brooke's Ranch by 15.5 7.27 360 174 270 4.27 20.1 Irrigation Ditch ACMW-24 05/04/2016 Scott Brooke's Ranch by 13.6 6.46 620 164 403 79.9 31.5 Irrigation Ditch ACMW-25 05/04/2016 Access road between 11.6 6.25 194 42.8 144 13.3 7.06 Neddenriep&Brooke ranches ACMW-26 05/04/2016 Access road between 10.7 6.31 251 38.6 177 23.9 35.0 Neddenriep&Brooke ranches CONTROL 04/07/2016 East side near Post Office 8.8 6.92 236 16.6 GW-05 05/04/2016 Arant Ranch house 12.7 6.24 274 61.7 180 28.8 11.3 GW-08 05/04/2016 Arant Ranch house 16.7 6.07 351 4.4.2 237 54.0 22.4 GW-11 05/11/2016 Diamond Valley School 13.8 6.80 142 71.9 118 1.04 0.783 GW-17 05/11/2016 Diamond Valley Ranch House 13.0 6.29 126 61.5 107 2.30 1.28 Well HPR 04/05/2016 Harvey Place Reservoir 11.3 7.57 513 8.99 129 251 1.64 1.6 56.0 16.0 05/03/2016 Harvey Place Reservoir 12.1 7.75 544 5.81 127 252 0.56 1.5 56.4 16.5 06/02/2016 Harvey Place Reservoir 18.4 7.71 522 7.38 128 248 24.1 4.0 58.7 15.8 HVC-1 04/09/2016 HVC @ Pioneer Trail 5.8 6.89 57.7 1.63 05/24/2016 HVC©Pioneer Trail 6.5 6.96 36.0 0.861 06/07/2016 HVC @ Pioneer Trail 9.6 7.13 30.5 0.763 HVC-2 04/09/2016 HVC 250'Upstream Pond#2 6.4 6.15 84.1 7.21 05/24/2016 HVC 250'Upstream Pond#2 9.1 6.21 29.2 0.965 Results resported as mg/L except EC as uS/cm Turbidity as NTU Colifoms as MPN/f 00mL Temp as C NC=Not counted Page 1 of 8 Alpine County Summary Report Temp pH EC DO Alk TDS SS Turb Chloride Sulfate HVC-2 06/07/2016 HVC 250'Upstream Pond#2 10.6 6.36 30.7 0.798 HVC-3 04/09/2016 HVC 25 Downstream of 7.9 6.36 97.3 15.2 Meadow Crest 05/24/2016 HVC 25 Downstream of 8.0 6.24 30 1.02 Meadow Crest 06/07/2016 HVC 25 Downstream of 11.4 6.44 30.9 0.811 Meadow Crest HVC-5 04/09/2016 Effluent of STPUD Drainage 9.2 6.53 56.2 89.2 169 8.69 Pipe along Meadow Crest MW01 5 04/07/2016 SW comer of ERB 8.5 6.91 158 - 2.42 MW02-50 04/07/2016 South side of ERB Pond 10.1 6.53 306 36.4 MW03-50 04/07/2016 Southwest corner of ERB Pond 10.2 6.16 457 40.6 MW04.50 04/07/2016 Hank Monk side of ERB 9.1 6.16 87.3 5.18 MW07.50 04/07/2016 North side of ERB Pond 7.7 7.21 188 12.4 MW08-25 04/07/2016 South of Pond 1 8.9 5.63 257 8.13 MW11 04/07/2016 North of Biosolids building 11.4 6.33 104 1.49 MW13 04/07/2016 South of Pond 2 along HVC 5.8 6.85 1068 18.2 SW-01 04/05/2016 Carson River Woodfords 2.4 7.17 50.5 13.6 22.6 54 17.7 6.6 1.09 1.48 05/03/2016 Carson River Woodfords 4.7 5.85 52 11.71 24.6 54 4.36 2.0 0.947 1.40 06/15/2016 Carson River Woodfords 7.5 7.50 47 10.0 23.3 43 14.2 3.4 <0.50 1.19 SW-02 04/05/2016 Indian Creek Upper 9.4 7.64 85.9 9.51 40.4 78 0.02 2.1 2.61 0.970 05/03/2016 Indian Creek Upper 7.8 7.26 100 9.59 44.0 88 0.46 2.3 1.75 1.19 06/15/2016 Indian Creek Upper 11.2 7.33 74 8.19 38.2 72 0.80 1.7 0.589 <0.50 SW-03 04/05/2016 Indian Creek Mid 8.0 7.13 57.8 11.7 26.6 59 9.82 6.5 1.23 1.92 05/03/2016 Indian Creek Mid 9.2 6.57 73 10.28 33.6 68 11.8 2.2 1.31 3.18 06/15/2016 Indian Creek Mid 11.8 7.61 188 8.28 87.1 132 3.24 4.0 3.18 6.61 SW-04 04/05/2016 Indian Creek Lower 9.0 7.33 69.5 9.57 34.2 73 9.32 6.1 1.48 2.48 05/03/2016 Indian Creek Lower 10.2 6.77 102 10.68 41.1 97 9.30 2.9 1.83 5.08 06/15/2016 Indian Creek Lower 12.0 7.44 94 8.64 44.3 80 5.94 5.0 1.27 2.46 SW-05 04/05/2016 Carson River Paynesville 4.6 7.02 53.0 10.5 23.8 55 15.6 6.3 1.18 1.61 05/03/2016 Carson River Paynesville 7.7 5.58 56 11.06 26.2 54 2.87 2.2 1.04 1.49 06/15/2016 Carson River Paynesville 10.7 7.65 54 9.66 26.4 40 6.78 3.1 0.727 1.31 SW-06 04/05/2016 Carson River Stateline 4.9 7.77 53.4 12.6 24.2 60 16.3 6.5 1.23 1.64 05/03/2016 Carson River Stateline 9.4 5.46 57 10.73 27.6 56 2.42 2.6 1.17 1.57 06/15/2016 Carson River Stateline 12.0 7.70 57 9.13 28.0 53 5.66 3.0 0.984 1.48 SW-08 04/05/2016 Irrigation Ditch 8.2 7.28 136 10.6 67.5 125 15.2 3.5 0.829 4.06 05/03/2016 Irrigation Ditch 12.2 5.49 142 5.18 67.3 134 3.04 1.8 <0.50 3.09 Results resported as mp/L except EC as uS/cm Turbidity as NTU Colifoms as MPN/100mL Temp as C NC=Not counted Page 2 of 8 Alpine County Summary Report Total P Total P PO4-P NH3-N Total N NO2-N NO3-N TKN Dissolved ACMW-01AW 04/06/2016 Main Dam 0.023 0.022 <0.020 0.746 <0.010 0.908 <0.050 ACMW-01BE 04/06/2016 Secondary Dam 0.034 0.025 <0.020 0.214 <0.010 0.263 <0.050 ACMW-02N 04/06/2016 Access Gate 0.029 0.024 <0.020 0.190 <0.010 0.203 <0.050 ACMW-02S 04/06/2016 Access Gate 0.033 <0.040 <0.020 2.46 <0.040 3.08 <0.050 ACMW-04W 04/06/2016 Gansberg 0.021 <0.040 <0.020 2.15 <0.040 1.99 0.160 ACMW-06S 04/06/2016 Celio 0.021 0.014 0.117 0.403 0.028 0.173 0.202 ACMW-07S 05/11/2016 Diamond Valley Ranch 0.050 0.047 <0.020 0.282 <0.010 0.280 <0.050 ACMW-08N 05/11/2016 Diamond Valley Ranch 0.047 0.045 <0.020 0.687 <0.010 0.619 0.068 ACMW-09D 05/24/2016 Diamond Valley Ranch 0.058 0.053 <0.020 0.812 <0.010 0.969 <0.10 ACMW-10 05/24/2016 Diamond Valley Ranch 0.042 0.039 <0.020 1.23 <0.010 1.22 <0.10 ACMW-11 05/24/2016 Diamond Valley Ranch 0.020 <0.040 <0.020 2.91 <0.040 3.11 <0.10 ACMW-12 05/11/2016 Diamond Valley Ranch 0.047 0036 <0.020 0.490 <0.010 0.461 <0.050 ACMW-13 05/11/2016 Diamond Valley Ranch 0.028 0.019 <0.020 0.199 <0.010 0.080 0.119 ACMW-14 05/24/2016 Diamond Valley Ranch 0.020 <0.040 <0.020 2.51 <0.040 2.32 0.19 ACMW-15 05/17/2016 Diamond Valley Ranch 0.020 <0.040 <0.020 14.7 <0.040 13.9 0.8 ACMW-16 05/17/2016 Diamond Valley Ranch 0.044 0.061 <0.020 19.6 <0.030 17.9 1.7 ACMW-17 05/17/2016 Diamond Valley Ranch 0.026 <0.030 <0.020 1.62 <0.030 1.54 <0.10 ACMW-18 05/17/2016 Diamond Valley Ranch 0.028 0.034 <0.020 5.98 <0.030 5.57 0.41 ACMW-19 05/17/2016 Diamond Valley Ranch 0.095 0.085 0.051 0.150 <0.010 <0.010 0.150 ACMW-20 05/04/2016 Diamond Valley Rd- 0.045 <0.060 <0.020 15.2 <0.060 13.9 1.30 Paynesville ACMW-21 05/04/2016 River Ranch Rd 0.060 0.071 <0.020 0.739 <0.020 0.809 <0.050 ACMW-22 05/04/2016 Fredericksburg Ln 0.021 <0.020 <0.020 2.50 <0.020 2.66 <0.050 ACMW-23 05/04/2016 Scott Brooke's Ranch by 0.030 0.034 <0.020 0.917 <0.010 1.02 <0.050 Irrigation Ditch ACMW-24 05/04/2016 Scott Brooke's Ranch by 0.074 0.069 <0.020 1.32 <0.020 1.40 <0.050 Irrigation Ditch ACMW-25 05/04/2016 Access road between 0.039 <0.030 <0.020 6.18 <0.030 6.00 0.18 Neddenriep&Brooke ranches ACMW-26 05/04/2016 Access road between 0.074 0.064 <0.020 2.61 <0.030 2.22 0.390 Neddenriep&Brooke ranches CONTROL 04/07/2016 East side near Post Office <0.040 4.68 GW-05 05/04/2016 Arant Ranch house 0.045 <0.060 <0.020 4.10 <0.060 4.37 <0.050 GW-08 05/04/2016 Arant Ranch house 0.044 <0.080 <0.020 11.6 <0.080 14.1 <0.050 GW-11 05/11/2016 Diamond Valley School 0.068 0.056 <0.020 0.534 <0.010 0.519 <0.050 GW-17 05/11/2016 Diamond Valley Ranch House 0.041 <0.010 <0.020 0.658 <.0.010 0.669 <0.050 Well HPR 04/05/2016 Harvey Place Reservoir 2.54 2.35 17.0 22.9 0.181 3.20 19.5 05/03/2016 Harvey Place Reservoir 2.45 2.40 16.7 21.2 0.165 2.77 18.3 06/02/2016 Harvey Place Reservoir 2.53 2.22 16.2 21.2 0.332 2.19 18.7 HVC-1 04/09/2016 HVC @ Pioneer Trail <0.020 0.283 <0.020 0.073 0.210 05/24/2016 HVC @ Pioneer Trail <0.020 0.130 <0.010 0.020 0.110 06/07/2016 HVC @ Pioneer Trail <0.020 0.267 <0.010 0.041 0.226 HVC-2 04/09/2016 HVC 250'Upstream Pond#2 <0.020 0.427 <0.020 0.014 0.413 05/24/2016 HVC 250'Upstream Pond#2 <0.020 0.249 <0.010 <0.010 0.249 Results resported as mg/L except EC as ua/cm Turbidity as NTU Colifoms as MPN/100mL Temp as C NC=Not counted Page 3 of 8 Alpine County Summary Report Total P Total P PO4-P NH3-N Total N NO2-N NO3-N TKN Dissolved HVC-2 06/07/2016 HVC 250'Upstream Pond#2 <0.020 0.316 <0.010 <0.010 0.316 HVC-3 04/09/2016 HVC 25'Downstream of 0.052 0.789 <0.020 0.411 0.378 Meadow Crest 05/24/2016 HVC 25 Downstream of <0.020 0.260 <0.010 <0.010 0.260 Meadow Crest 06/07/2016 HVC 25'Downstream of <0.020 0.354 <0.010 <0.010 0.354 Meadow Crest HVC-5 04/09/2016 Effluent of STPUD Drainage 0.344 0.065 0.524 <0.020 0.143 0.381 Pipe along Meadow Crest MW01 5 04/07/2016 SW corner of ERB <0.010 0.537 MW02-50 04/07/2016 South side of ERB Pond <0.030 3.04 MW03-50 04/07/2016 Southwest corner of ERB Pond <0.200 14.6 MW04-50 04/07/2016 Hank Monk side of ERB <0.010 0.717 MW07.50 04/07/2016 North side of ERB Pond <0.010 0.458 MWO8•25 04/07/2016 South of Pond 1 <0.500 4.55 MW11 04/07/2016 North of Biosolids building <0.010 0.348 MW13 04/07/2016 South of Pond 2 along HVC <0.080 60.3 SW-01 04/05/2016 Carson River Woodfords 0.042 <0.010 <0.020 0.260 <0.010 0.059 0.201 05/03/2016 Carson River Woodfords 0.015 0.012 <0.020 0.124 <0.010 <0.010 0.124 06/15/2016 Carson River Woodfords 0.037 <0.010 <0.020 0.146 <0.010 <0.010 0.146 SW-02 04/05/2016 Indian Creek Upper 0.017 0.012 <0.020 0.177 <0.010 <0.010 0.177 05/03/2016 Indian Creek Upper 0.031 0.012 <0.020 0.199 <0.010 <0.010 0.199 06/15/2016 Indian Creek Upper 0.018 <0.010 <0.020 0.159 <0.010 <0.010 0.159 SW-03 04/05/2016 Indian Creek Mid 0.045 <0.010 <0.020 0.263 <0.010 0.079 0.184 05/03/2016 Indian Creek Mid 0.069 0.015 <0.020 0.128 <0.010 0.018 0.110 06/15/2016 Indian Creek Mid 0.065 0.020 0.021 0.198 <0.010 0.022 0.176 SW-04 04/05/2016 Indian Creek Lower 0.045 0.010 <0.020 0.264 <0.010 0.083 0.181 05/03/2016 Indian Creek Lower 0.071 0.032 <0.020 1.21 <0.010 0.669 0.541 06/15/2016 Indian Creek Lower 0.140 0.052 0.024 0.688 <0.010 0.113 0.575 SW-05 04/05/2016 Carson River Paynesville 0.049 <0.010 <0.020 0.273 <0.010 0.056 0.217 05/03/2016 Carson River Paynesville 0.020 <0.010 <0.020 0,133 <0.010 <0.010 0.133 06/15/2016 Carson River Paynesville 0.032 <0.010 <0.020 0.192 <0.010 <0.010 0.192 SW-06 04/05/2016 Carson River Stateline 0.052 <0.010 <0.020 0.308 <0.010 0.048 0.260 05/03/2016 Carson River Stateline 0.020 0.014 <0.020 0.138 <0.010 <0.010 0.138 06/15/2016 Carson River Stateline 0.028 <0.010 <0.020 0.193 <0.010 0.019 0.174 SW-08 04/05/2016 Irrigation Ditch 0.079 0.015 0.025 0.747 <0.010 0.020 0.727 05/03/2016 Irrigation Ditch 0.108 0.026 0.024 0.930 <0.010 0.040 0.890 Results resported as mg/L except EC as uS/cm Turbidity as NTU Colifoms as MPN/100mL Temp as C NC=Not counted Page 4 of 8 Alpine County Summary Report BOD Ca Mg Na K SAR %Na HPR 04/05/2016 Harvey Place Reservoir 2.42 16.7 3.94 50.6 11.0 2.89 60.5 05/03/2016 Harvey Place Reservoir 4.55 16.9 3.90 52.7 11,0 3.00 61.3 06/02/2016 Harvey Place Reservoir 19.8 17.6 3.91 52.4 11.2 2.94 60.5 SW-01 04/05/2016 Carson River Woodfords 5.57 1.56 2.72 1.03 0.26 21.5 05/03/2016 Carson River Woodfords 6.06 1.50 2.76 0.807 0.26 21.2 06/15/2016 Carson River Woodfords 5.42 1.45 2.32 0.878 0.23 19.7 SW-02 04/05/2016 Indian Creek Upper 7.64 2.02 8.58 1.56 0.71 38.8 05/03/2016 Indian Creek Upper 7.82 1.91 9.14 1.45 0.76 40.5 06/15/2016 Indian Creek Upper 6.87 1.72 6.20 1.31 0.55 34.2 SW-03 04/05/2016 Indian Creek Mid 6.22 1.74 3.22 1.12 0.29 22.5 05/03/2016 Indian Creek Mid 7.76 2.08 4.06 1.06 0.33 23.2 06/15/2016 Indian Creek Mid 19.8 6.03 10.7 1.80 0.54 23.3 SW-04 04/05/2016 Indian Creek Lower 6.00 1.69 3.01 1.14 0.28 21.9 05/03/2016 Indian Creek Lower 10.2 2.92 5.95 1.86 0.42 24.5 06/15/2016 Indian Creek Lower 10,6 2.84 4.64 2.65 0.33 19.5 SW-05 04/05/2016 Carson River Paynesville 7.88 2.33 4.26 1.29 0.34 23.1 05/03/2016 Carson River Paynesville 6.13 1.55 3.06 0.888 0.29 22.6 06/15/2016 Carson River Paynesville 5.90 1.58 2.76 1.01 0.26 21.0 SW-06 04/05/2016 Carson River Stateline 5.95 1.70 3.02 1.29 0.28 21.8 05/03/2016 Carson River Stateline 6.16 1.58 3.15 0.918 0.29 22.9 06/15/2016 Carson River Stateline 6.18 1.68 2.96 1.10 0.27 21.3 SW-08 04/05/2016 Irrigation Ditch 12.2 3.47 13.0 2.16 0.85 37.3 05/03/2016 Irrigation Ditch 11.6 2.92 16.3 1.06 1.11 45.6 Results resported as mg/t.except EC as uS/cm Turbidity as NTLI Colifoms as MPN/100mL Temp as C NC=Not counted Page 5 of 8 Alpine County Summary Report Total E.Coll Coliform Chromo Chromo ACMW-01AW 04/06/2016 Main Dam <1 <1 ACMW-01BE 04/06/2016 Secondary Dam <1 <1 ACMW-02N 04/06/2016 Access Gate <1 <1 ACMW-02S 04/06/2016 Access Gate 224.7 <1 ACMW-04W 04/06/2016 Gansberg 4.1 <1 ACMW-06S 04/06/2016 Cello <1 <1 ACMW-07S 05/11/2016 Diamond Valley Ranch <1 <1 ACMW-08N 05/11/2016 Diamond Valley Ranch <1 <1 ACMW-09D 05/24/2016 Diamond Valley Ranch <1 <1 ACMW-10 05/24/2016 Diamond Valley Ranch <1 <1 ACMW-11 05/24/2016 Diamond Valley Ranch <1 <1 ACMW-12 05/11/2016 Diamond Valley Ranch <1 <1 ACMW-13 05/11/2016 Diamond Valley Ranch <1 <1 ACMW-14 05/24/2016 Diamond Valley Ranch <1 <1 ACMW-15 05/17/2016 Diamond Valley Ranch 1.0 <1 ACMW-16 05/17/2016 Diamond Valley Ranch <1 <1 ACMW-17 05/17/2016 Diamond Valley Ranch <1 <1 ACMW-18 05/17/2016 Diamond Valley Ranch <1 <1 ACMW-19 05/17/2016 Diamond Valley Ranch <1 <1 ACMW-20 05/04/2016 Diamond Valley Rd- <1 <1 Paynesville ACMW-21 05/04/2016 River Ranch Rd <1 <1 ACMW-22 05/04/2016 Fredericksburg Ln <1 <1 ACMW-23 05/04/2016 Scott Brooke's Ranch by <1 <1 Irrigation Ditch ACMW-24 05/04/2016 Scott Brooke's Ranch by <1 <1 Irrigation Ditch ACMW-25 05/04/2016 Access road between <1 <1 Neddenriep&Brooke ranches ACMW-26 05/04/2016 Access road between 125.0 10.8 Neddenriep&Brooke ranches GW-0S 05/04/2016 Arant Ranch house <1 <1 GW-08 05/04/2016 Arant Ranch house <1 <1 GW-11 05/11/2016 Diamond Valley School <1 <1 GW-17 05/11/2016 Diamond Valley Ranch House <1 <1 Well HPR 04/05/2016 Harvey Place Reservoir 28.8 <1 05/03/2016 Harvey Place Reservoir 148.3 2.0 06/02/2016 Harvey Place Reservoir 30760 50.4 SW-01 04/05/2016 Carson River Woodfords 204.6 5.1 05/03/2016 Carson River Woodfords 235.9 2.0 Results resported es mg/L except EC es ua/cm Turbidity es NTU Colifoms as MPN/100mL Temp es C NC=Not counted Page 6 of 8 Alpine County Summary Report Total E.CoII Coliform Chromo Chromo SW-01 06/15/2016 Carson River Woodfords 613.1 2.0 SW-02 04/05/2016 Indian Creek Upper 866.4 <1 05/03/2016 Indian Creek Upper 648.8 <1 06/15/2016 Indian Creek Upper 1732.9 13.4 SW-03 04/05/2016 Indian Creek Mid 387.3 5.2 05/03/2016 Indian Creek Mid 155.3 2.0 06/15/2016 Indian Creek Mid 3050 1119.9 SW-04 04/05/2016 Indian Creek Lower 613.1 13.5 05/03/2016 Indian Creek Lower 2143 11.9 06/15/2016 Indian Creek Lower 20140 2590 SW-05 04/05/2016 Carson River Paynesville 328.2 3.1 05/03/2016 Carson River Paynesville 248.1 55.7 06/15/2016 Carson River Paynesville 1119.9 70.8 SW-08 04/05/2016 Carson River Stateline 547.5 3.1 05/03/2016 Carson River Stateline 214.3 3.1 06/15/2016 Carson River Stateline 1413.6 66.3 SW-08 04/05/2016 Irrigation Ditch 5940 <1 05/03/2016 Irrigation Ditch 6867 3.1 Results responed as mg/L except EC as uS/cm Turbidity as NTU Colifoms as MPN/100mL Temp asC NC=Not counted Page 7 of 8 Alpine County Summary Report Colonies Colonies Filaments Filaments Filaments Filament Single # #Cells #Multi- #Cells #Single- Length Cells Celled Celled HPR 04/05/2016 Harvey Place Reservoir 0 0 0 0 0 0 0 05/03/2016 Harvey Place Reservoir 0 0 0 0 0 0 0 06/02/2016 Harvey Place Reservoir 0 0 0 0 0 0 0 Results resported as mg/L except EC as uS/cm Turbidity as NTU Colifoms as MPN/100mL Temp as C NC=Not counted Page 8 of 8 Page 1 of 1 Monitoring Wells Groundwater Elevation Sample Depth Ref GW Site Location Date Hr ID# to GW MSL MSL ACMW-01AW Main Dam 04/06/2016 11:37 AG50492 4.68 5493.13 5,488.45 ACMW-01 BE Secondary Dam 04/06/2016 11:17 AG50493 5.90 5503.55 5,497.65 ACMW-02N Access Gate 04/06/2016 12:17 AG50494 9.57 5469.70 5,460.13 ACMW-02S Access Gate 04/06/2016 12:04 AG50495 7.87 5471.60 5,463.73 ACMW-04W Gansberg 04/06/2016 09:49 AG50496 22.08 4919.89 4,897.81 ACMW-068 Celio 04/06/2016 10:38 AG50497 15.77 5223.50 5,207.73 ACMW-07S Diamond Valley Ranch 05/11/2016 10:50 AG50976 63.42 5574.39 5,510.97 ACMW-08N Diamond Valley Ranch 05/11/2016 13:30 AG50977 4.03 5464.45 5,460.42 ACMW-09D Diamond Valley Ranch 05/24/2016 09:56 AG51178 24.33 5510.56 5,486.23 ACMW-10 Diamond Valley Ranch 05/24/2016 10:28 AG51179 26.45 5534.19 5,507.74 ACMW-11 Diamond Valley Ranch 05/24/2016 11:00 AG51180 11.84 5503.01 5,491.17 ACMW-12 Diamond Valley Ranch 05/11/2016 12:35 AG50978 22.42 5525.04 5,502.62 ACMW-13 Diamond Valley Ranch 05/11/2016 11:26 AG50979 9.53 5554.55 5,545.02 ACMW-14 Diamond Valley Ranch 05/24/2016 11:38 AG51181 17.18 5547.20 5,530.02 ACMW-15 Diamond Valley Ranch 05/17/2016 09:29 AG51051 6.69 5500.60 5,493.91 ACMW-16 Diamond Valley Ranch 05/17/2016 09:56 AG51052 8.72 5484.53 5,475.81 ACMW-17 Diamond Valley Ranch 05/17/2016 10:29 AG51053 6.17 5504.92 5,498.75 ACMW-18 Diamond Valley Ranch 05/17/2016 11:11 AG51054 6.56 5470.56 5,464.00 ACMW-19 Diamond Valley Ranch 05/17/2016 11:50 AG51055 8.16 5417.25 5,409.09 ACMW-20 Diamond Valley Rd-Paynesville 05/04/2016 12:28 AG50877 5.75 5090.30 5,084.55 ACMW-21 River Ranch Rd 05/04/2016 11:34 AG50878 13.27 5011.33 4,998.06 ACMW-22 Fredericksburg Ln 05/04/2016 11:59 AG50879 24.42 5019.28 4,994.86 ACMW-23 Scott Brooke's Ranch by Irrigation 05/04/2016 13:08 AG50880 17.63 4978.35 4,960.72 Ditch ACMW-24 Scott Brooke's Ranch by Irrigation 05/04/2016 13:43 AG50881 22.66 4953.25 4,930.59 Ditch ACMW-25 Access road between Neddenriep& 05/04/2016 10:20 AG50882 7.82 4942.24 4,934.42 Brooke ranches ACMW-26 Access road between Neddenriep& 05/04/2016 10:49 AG50883 8.48 4895.60 4,887.12 Brooke ranches CONTROL East side near Post Office 04/07/2016 08:36 AG50505 68.64 6345.20 6,276.56 MW01 5 SW corner of ERB 04/07/2016 09:14 AG50506 60.47 6328.00 6,267.53 MW02-50 South side of ERB Pond 04/07/2016 10:38 AG50507 48.06 6314.60 6,266.54 MW03-50 Southwest corner of ERB Pond 04/07/2016 10:58 AG50508 42.66 6310.10 6,267.44 MW04-50 Hank Monk side of ERB 04/07/2016 11:25 AG50509 36.21 6304.40 6,268.19 MW07-50 North side of ERB Pond 04/07/2016 10:03 AG50510 27.02 6302.20 6,275.18 MW08-25 South of Pond 1 04/07/2016 11:42 AG50511 11.20 6258.30 6,247.10 MW11 North of Biosolids building 04/07/2016 13:34 AG50512 36.94 6296.00 6,259.06 MW12 South of Biosolids Building 04/07/2016 13:56 AG50515 29.02 6288.80 6,259.78 MW13 South of Pond 2 along HVC 04/07/2016 12:05 AG50513 4.82 6263.40 6,258.58 Alpine County Soils pH EC %Sat TKN NO3-N Total P Exch P SO4 CI S2A Celio Ranch 06/02/2016 7.95 6.74 84.1 5600 12.3 617 2.82 325 1520 S3A Bently Ranch 06/02/2016 5.52 0.288 31.8 1550 3.98 793 25.6 12 12.9 S4A Gansberg Ranch 06/02/2016 7.78 2.71 40.8 3590 7.21 425 9.66 41 456 S5A Gansberg Ranch 06/02/2016 6.12 0.346 37.5 1980 7.66 471 5.66 12 8.69 S6A Neddenriep Ranch 06/02/2016 7.55 0.539 45.9 2670 14.1 244 20.4 22 5.10 S7A Bruns Ranch 06/02/2016 5.72 0.227 38.1 2320 6.38 604 6.07 24 3.50 CEC Cu Mo K Ca Mg Na SAR %Na S2A Celio Ranch 06/02/2016 44.1 12.1 0.13 3869 259 246 784 8.37 9.79 S3A Bently Ranch 06/02/2016 19.2 14.3 0.14 1964 14.6 3.03 35.6 2.21 1.91 S4A Gansberg Ranch 06/02/2016 24.4 25.2 0.07 5271 122 32.7 340 7.06 8.22 S5A Gansberg Ranch 06/02/2016 17.9 19.6 0.08 3959 21.8 3.99 40.6 2.10 1.75 S6A Neddenriep Ranch 06/02/2016 22.4 28.9 0.04 5870 58.9 8.61 36.2 1.17 <1 S7A Bruns Ranch 06/02/2016 17.3 26.5 0.13 6186 22.9 4.48 8.19 0.41 <1 Page 1 of 1 Sample Comments Site Date Time Comments HVC-5 05/24/2016 12:50 Water in ditch. Not flowing. HVC-5 06/07/2016 09:16 Dry- No Flow MW12 04/07/2016 13:56 HNot enough water to sample SW-07 04/05/2016 10:58 Dry SW-07 05/03/2016 14:50 Ditch dry. SW-07 06/15/2016 13:06 Dry. SW-08 06/15/2016 13:20 Dry. SW-15 06/15/2016 11:40 Dry. 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT Date: D'i- 01-t t EMERGENCY POND MW FIELD MONITORING RECORD CD) Samplers: LN,i..,A Pupose: QtI. c 't, . Depth to Well Water Calc Actual Preservative Std Check Well Casing Depth to Column Water to Water Temp EC Bottom Diameter GW Height Pure Pur ed U m O 6' Sie ID# Time C pH NS/cm ft inch ft == v (75 ± i o ft Gallons Gallons pH EC COMMENTS AGSC '.;5 CONTROL Ls ;i3 lG 2_ Z3 80.90 2 - kw,t, AG5u5O' MW1 .5 Deli (As _ 6,m,1, sq 65.80 2 61 AG5C h°«? MW02-50 Ins3 X0,13(1_ 50.90 2 4c. 4, 2' o �,- 1,. k * ✓ / AG5Cf��` MW03-50 itosl ir7,a . 4, LL 457 50.80 2z, g Af y. J; AG5C-3c: MW04-50 (12S clA iv. IT) 51.00 2 34,.21 1 g.ii Z.51 , 3:0 J _�, AGSC :r ��ztl a1 i7 MW07-50 tol. ?�� $� 52.60 22_54 41 c , c tock ` 1111 /V08-25 AGSM'f' th2 , sq s,45 . as/ 20.60, 2 ,i(vj ci.1O I.bv Z. ✓ i. . / , MW11 AG5�5 2 .5pordic6 G.a tj p 0 1.54k it A (o. t C, 41.0 2 q'I- 4.Dc, b-11 3,0 ,i ,,, / tVYgI") MW12 AGSt�r`� I'''S 31.50 2 P1,02_./ ,,'1 MW13 AG5C5 1 3 12 S,g 1,e6S Lock14.40 2 6 l. :13 '5.2_, ✓ / / AGSCf Trip Blank x Groundwater samples shall be collected only after z 1 well volumes Gallons'to flush= 1 x 7.48 x 3.14 x 0.083 x water column hei ht / / have been flushed and Temperature,pH,and EC measurements Gallons to flush=0.17 x water column height(ft) g pH Std Check uses a 7.00 buffer.pH meter must be re- have stabilized to approximately±5%for each successive Water column height=depth of well-water level standardized if result exceeds 7.00±0.05.EC Std Check measurement taken in intervals a 5 minutes. for 50'well whose water level is 35 feet from ground level: uses a 200 NS/cm standard Water column height=50'-35'=15' File:q\Lab\Forms\Field Sheets\Field ERB.doc Flushing Record Date: $ k"zv �" +�1Là ; .Y � }�t tiixa lx a �3 3 r l't^�,}rril C 'k, 3 ( .fir 2* DI - . ,1 4 11.5Z 0 CUL! g, it Dcls ( ,5 7.7 (.i7 i 9(, DLV �� i.`� 10,34 IS`6 4, wcii c14-3 -rtdlal,L .41 7.7 -7.2-1 1 Mu�pz sZ� iD llnr p I r�L7 rf,4<,/ - Ifl3 l u its , ir4 ►D. I lit w .3 S1) I 0,(-1 . 1.7 I b-I .17 '412 IOC ce u.0 457 oti- ST) jiO7 1111 1 •I c:l `i? 1 2C 9 ,1 _ iP,i ra s1-1) u)>q-‘ 1i33 , ila� .5 8 ,i s,5 z4D t j42, (4:1 s.1,57--) 157 1 2/10 ice,.- • 1 zoc {u 1P Note:Temp.pH,EC must stabilize±5%for successive measurements taken in intervals?5 minutes. :\Lab'Ferm&,Flpl(t ShppIC,PAnnif,,, Well FI,,h...n Flushing Record Date: (7i-d7_ AcM� II 1331 l;540 i it-t2 lt,it,i( 1 r1f (.* tii1) '113/44 AckA) 12_ 510,0 -) te • Note:Temp,pH,EC must stabilize t 5%for successive measurements taken in intervals>_5 minutes. Mal;Worms1Field Sheets\Monitor_Well_Flushing_Record.doc SOUTH TAHOE PUBUC UTILITY DISTRICT Date: TY- t-i'c ACMW FIELD MONITORING RECORD I Samplers: -Thrc,4\ Purpose: -0.(70,0c Ku.,y preservative Std Check Depth/o Well Water Calc Actual Depth Wel Casing Column Water to Water tv to Site �D# Time GW TempC EC pSkm Bottom Diameter inch Height Purge Purged Gallons Gallons c) o H2�` o a pH ,'v in pH= _ � pH EC COMMENTS ACMW-01AW A650492 t 22.6 2 / ACMW-01 BE &650493 MI- F.ltb 1.5 Li1 ia) 23.8 2 tl, ,.0 (o.0t.6 ACMW-02N C50494 (20- I 11 OA; L t\ tbl 34.1 . 2 3, 4.1i , i) (ft / ACMW-02S &650495 MA- 131 t l% 112. 21.9 2 li-ii,D3 zl 11.t, 1-to ( C50496 (�,�2 ACMW-04W Q°11kii.Ot ILL tOt Z& 29.0 2 ii. I.1?) il i.) AG5U497 "rtleA 5,); \Nath&, ACMW-06S t05% 15.1 t2.1 itl iib 29.9 2 (4.1) 2.`10 It, 1,6 ,/ Alt:4, 6Lt4„ Trip Blank Temperature of Control L'-- Initial ,, � - , b..-7*- , 4_- -,';=-4.,..47' .r ,' when samples received ;� ; ::v._,",.- -,..:5..,.!, ",` .iAll, 1 '; ,f _ .. -,,:%i,,,,---2.;:::.F �' ,s ,r, 'v �j. ✓ yt �ri('yiy Y �C' 'c K 1 j S Kis.�i �F -...4.4.71,..,i,' `M ., 44,:e{4iidA „,,..4xK b ;,1,,' 3 '' f, '�• ^ JY } I ,••,'Orf"-”zT. ,..at > at Lab :- .- -i,. z» 1 k :',,,',..,1. _f A Ti r , �47.,-g:,%:-.':-...1;,,, l /, tIP-. .-i Groundwater samples shall be collected only after a 1 well volumes Gallons to flush=1 x 7.48 x 3.14 x 0.0832 x water column height pH Std Check uses a 7.00 buffer.pH meter must be re- have been flushed and Temperature,pH,and EC measurements Gallons to flush=0.17 x water column height(ft) standardized if result exceeds 7.00 t 0.05.EC Std Check have stabilized to approximately t 5%for each successive Water column height=depth of well-water level uses a 200 pS/cm standard measurement taken in intervals z 5 minutes. for 50'well whose water level is 35 feet from ground level: Water column height=50'-35'=15' n 11 ahlFnrmelGiolrl ChnnlelFinal G!`RAVJ Ant-. 1/11/W11 C. Flushing Record Date: OA•t19-I6 + t � �# �tas'�'w r, '� 1f6 '" _ t ACIA41.6y Q`1�1 A art D o-v,k 2:U I Z 42,34 . .2,1`1 0'446\ .A; �� O (D,iO L21�t 10.31 a � Pew Av IC1t 2.0 11.1 IC ii, 4,(D ftU-ku) --0)3E ( HZ_ , i,rb t A (:)S t ttt1 D 7. 5 te.5 \ E.3-i.) ACM>1) Q 'kw) 1162. R,') t37 $2,t4, 1131 : A ,0 Q2f , t 2,2- Ni t0.0- 14t- ,5 4.5 [t 1 tO 11E. tkcjiak1 '2Cb 2.1 , ii,2 CoA\ 114 , _ , 1 Note:Temp,pH,EC must stabilize t 5%for successive measurements taken In Intervals>_5 minutes. Group 3 SOUTH TAHOE PUBLIC UTILITY DISTRICT Date: rte- iI"/N ACMW FIELD MONITORING RECORD Samplers: er/1 .1) Purpose: Prese+vave Std Check Depth to Well Water Calc Actual - Depth Well Casing Column Water to Water o to GW Temp EC Bottom Diameter Height Purge Purged v = 142•5041 o" < Site ID# Time ft °C pH I S/cm ft Inch ft Gallons Gallons . v, pH= i o>. pH EC COMMENTS to r'/(6.-h;,, ACMW-07s A65097 tb.S. -.'-- 1, -Tt If •� b-7Z ( 180.5 2 lid 2L1 2Z / (, 6 ��, Fl wr.. QG5091 ii I ( 1 �!� tnl� r � ACMW-08N 13�D �ti Z. j�q 70.1 2 �Z �1 , �1 0.;4_. ,;s.t.vt AC,'� AG5097 3�J `t . Z S' /07 • ( � P '� ✓�� s 1G� ACMW 12 ( Cl Z /Z 73.5 2 ) IO 1111 AG5097� n / l 1 V4Pr� _ � ' ACMW-13 /(Z7,3" 10 �� 20.0 2 � � v , 6 45' aw�� GW-11 AG509w' 0'1(15 _ r>-�6 �� 0 1�lz_ / (L7 GW-17 AG 09�s �(5 f3n �� i / Trip Blank k650932 ^� / /).6 Temperature of Control _ Inital . +we'1'slr', m' V - te -'7. -,-.5.--,4g-.7_,- * .x' / r a- z: s'-- a?c� x ' - 5r 7 y •, ipw=-Yit,_ s �. �' ma - } Z t ,..�` :. when 7 • - received •} .1r 4t w+ i� ':-:::::_k,4,1441,'-4:4--A- ' ryyaR�4 _ � € wti �i } at • 1 t ' y "„ - :� - 77,-, 430 .x: ,....,,..,4,5-, � 4:.S* '? 4�+. !.{ •-, ',k.,„„ r} -,,,--4 ,�.`. Minimum gallons to flush=1 x 7.48 x 3.14 x 0.0832 x water column height pH Std Check uses a 7.00 buffer.pH meter must be re- Groundwater samples shall be collected only after 2 1 well volumes Gallons to flush=0.17 x water column height(ft) standardized if result exceeds 7.00 t 0.05.EC Std Check have been flushed and Temperature,pH,and EC measurements Water column height=depth of well-water level uses a 200 NS/cm standard have stabilized to approximately±5%for each successive for 50'well whose water level is 35 feet from ground level: measurement taken in intervals i 5 minutes. Water column height=50'-35'=15' 1/77/7!11 i. 17\1 oh\Fnrn+elFiolei Choole\Fiolei ACAA\A/•f_.ni in 1 rine Date:Flushing Record (115— • if- /ICJ Y 4 �J f! �A {{� 6.4 > & ti s i f P .,,,� Y :• •..q .* , .• _ : ID. fie.., . i$ I. ,,., ua -_ ttt>,� . cr- 3 104q U 11 ,1,,- 6x,- (4 ,,:; 10�C, 1636 9 1/ , 0 C., .c (1 ,2,_.) Qktj _ i (' I? 11,7 6--?/ I 'OT '(-`( Zz l(s 72ii) ( 2 ( 0. 9 3,- ti J i )2 1 (r) 16, ( 6-0/ e,6, 6 pla to .,/a yoq Ci M "61/'/`a., .( z7�. 31 , A-6, 1111 gg_t 1 z 1136 ( /)••) 16.51 (PI 17-3 - 13 / 9' il., 6456 /d q — yle(r4w- 41 B)< ,f 1d . 6 6.s`-/ 136 _ 131)--- /3)..t q If 17 Z 6- C rho . . 1325 (3 . ) 123, 6.73 N�) . /1) IF , 12,4 6.73 1'f9. ... _ .. . , . . . ... _ ... . . Note:Temp,pH,EC must stabilize t 5%for successive measurements taken in intervals>5 minutes. D:\Lab\Forms\Field Sheets1Monitor_Well_Flushing Record.doc Group 4 SOUTH TAHOE PUBLIC UTILITY DISTRICT Date: )--2( ( ACMW FIELD MONITORING RECORD /DASamplers: 1r- Purpose: S 18- ISD Preservative Std Check Depth to Well Water Calc Actual Depth Well Casing Column Water to Water to GW Temp EC Bottom Diameter Height Purge Purged H4 o Site ID# Time ft eC pH pS/cm ft Inch ft Gallons Gallons v y pH= = o ° pH _EC COMMENTS ACMW-09D AGJ i i? b fy.�3 [1. .O (i( 78'7 45.1 2 20 .Z V 7 --/ 1. 00 ACMW-10 I AG51179 p22 22-`( (2 / (-`t i 178 38.5 2 C-6 & 6.° / \Q / ACMW-11 AG511 11e3 JI.g1 c.� ( - ) X-1 33.5 2 2.1.1 LI 7.c / / 1 AG511 81 ACMW-14 �� I�i.( �` •�� r� 30.0 2 (2-g Z /5, / .' GW-05 GW-08 !; /i Trip Blank AG511 `' C�U5 ; 1,(,, Temperature of Control ' Initial 4 '...W4 , ._ 7t r X11 #xffi 7 _f when samples received j t T r 'L ; ; ' ,, rX $t .r. 4 t+ 5:4R` # 4 F'. ' 3 /t4,y 44 '4'...y`�'C r t .. jk .1 M , fY ,sat Lab R� d p•.rJ- .i i q�.:. -,', ',,� W..A-, - < 3-.l`r -fi,, . '+7y .Y „A,,,y i,, a4" .Y4Y� ic. �7s4,. -,A a"A td"c'y ':::;-..44.,, a_ Minim urn gallons to flush=1 x 7.48 x 3.14 x 0.0832-x water column height pH Std Check uses a 7.00 buffer.pH meter must be re- Groundwater samples shall be collected only after a 1 well volumes Gallons to flush=0.17 x water column height(ft) standardized if result exceeds 7.00 t 0.05.EC Std Check have been flushed and Temperature,pH,and EC measurements Water column height=depth of well-water level uses a 200 NS/cm standard have stabilized to approximately t 5%for each successive for 50'well whose water level is 35 feet from ground level: measurement taken in intervals z 5 minutes. Water column height=50'-35'=15' n 11 eh1[nrmeWiold Rhaotcl[leld A(RII1AI_(_rn,In 4 dn„ +noun+a Flushing Recorddate: S Z •"� s 'T a�, i '` � t!rrit2. »1 FPx J '., s rt� `a ,.�. � sirs .� .�.��.�.`��* 5e�6�•S. k, !«L.� qcoCy 09(1(J 3 5- 17 - 7..s? /&(- 5t6 Q Yip ? -2, 7.Q 2 C (2\1.,,14`11 7X,7 AcAA.{ - 1O (c() '� ( (1,-) 4.3217/ 5ra;I (d "')> IC` 3 H. o i 3, 0 yel-) 2 t . 1L 6.2s- V2.1 5teiv1 c /0Y 10,--)-c 611 611 1:.c 000 !2 _ 7 6 \a ,-1 Ac a :- Ac w IY //ii 3 ice`<<[ 6).c,z gtty5 Si„rc ((? 11 7 1 T.7 (oo(3 86. _ Y�) l2 6. c 113 15 Note:Temp,pH,EC must stabilize±5%for successive measurements taken in intervals>_5 minutes. Group 5 SOUTH TAHOE PUBLIC UTILITY DISTRICT Date: xi-)- t ►- t ro ACMW FIELD MONITORING RECORDSamplers: fi;,;., Purpose: 674S Preservative Std Check Depth to Well Water Calc Actual Depth Well Casing Column Water to Waler to GW Temp EC Bottom Diameter Height Purge Purged o � s so. o a Site ID# Time ft °C pH pS/cmGallons ft Inch ftGallons ., y p+= i o� pH EC COMMENTS ACMW-15 AGS k 9 f �� 29.5 2 17 it 1 `- AG'>° y .'j �_� Z3 (C',. 7 Li /3 it f i(-- ACMW-16 ni �t 29.0 21 ACMW-17 AG51053 (�,�� 1Z. Z ��•Z 30.0 2 Z3, ' lj ✓ / i 1/ ACMW-18 AG51054I//I0,59 /ZC �,. ' y 28.0 2 Z1 ` L( /7 , ACMW-19 AG + � ill CSA )i �-7z � 20.0 2 ((O '''z V v i /.L Trip Blank A651056 e-53Ue L� vi I, . , * . '-- „.n .' # t - y' ' ^7xa� §w yC ye " a.L „ xMyr >Tern perature of Control °r_ nNi };? , y -, - i V f , i� g x fir -7ti . hr -• - � 4:0 - when sam ,es received / 1 ) };„V ` en. sa• � ti. � , & xx x ` 1€€� x+`� ",, w �rz N1o � � � � at LabKtt .€n" -4sP':'.'§''ay -r&4s ,g-ii-4.: 1 : ;''','''.4_.k',.' � tx.�'' 7-" S Sj : , , d'4P � ' 14. Minimum gallons to flush=1 x 7.48 x 3.14 x 0.0832 x water column height pH Std Check uses a 7.00 buffer.pH meter must be re- Groundwater samples shall be collected only after Z 1 well volumes Gallons to flush=0.17 x water column height(ft) standardized if result exceeds 7.00 t 0.05.EC Std Check have been flushed and Temperature,pH,and EC measurements Water column height=depth of well-water level uses a 200 pS/cm standard have stabilized to approximately±5%for each successive for 50'well whose water level is 35 feet from ground level: measurement taken in intervals z 5 minutes. Water column height=50'-35'=15' 1111 ohlFnrme1FiaLl Chaale1Cfalrl AM/11h/_/:rne,n S.Ing 1M717Mi. Flushing Record Date: 0 c4 Wyll t-K '',‘I'' 'r 'i',''',4:4!.•,-,:::7;:-..c.-4-..f4: $ ' k x�f, `•,..-- ,c...t 4,4,. .,'..pY ''..i•:-' a- • Sy �x : 4tx:r< { rt",,'':,rf `;iA. fi . rj t y)Iat-f4j z#4 r Yh ( of - x�. r arFlx o?,,,t r -p --;i.. : ' I ; K x ,A,k,,, #,e roxF fi r" esc.Iktikliki- ' 017 2 1p 6 . c ; 1 'T! . et r J 0 LZ`( 1- I I I0, ) 5= SC lel' i 7 "u Z �I t 0 �.( 1 X 7-9- •—I �� ;. I� r`16 114, �, Ic, f, cptz3 ),3't 54,,1calri cys I 1 1 fc, z G) 1-ti 234 01sC 13, 13 fc•y x, 3-3 a36 X AC010i- npict �2 o c zi. zgt-/ , x its ()di cut51 f 0 /0,7 , toolZ(1 [Z t 3 /Z. I 6_23 ??.t . ,'\C(Alu - Vg 110 1 7 2-c i L-Z`I joy sk v r e To iI€ r . I2) 6.ZY r ( l i _ /2 12-(Q: 6.-- 0 lb' Ac -(9 !( (c .Z 13. ,. “,c , 204) .4e la? (y( fAD I1 . ., C. 3 ZIP /At /1 12 Az 6. 2z 7o? i k 2 - Note:Temp,pH,EC must stabilize t 5%for successive measurements taken in intervals>_5 minutes. Group 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT Date: v C5 Y- ACMW FIELD MONITORING RECORD Samplers: 3( / t Met 0t c- ' 16= Purpose: IPreservative Std Check DepthDepth Well to Well Water Calc Actual Casing Column Water to Water m Site ID# to GW Temp EC Bottom Diameter Height Purge Purged o •- H2SO4 ' Time it 'C pH pS/cm ft Inch ft ft Gallons v y pH= i o> pH EC COMMENTS ACMW-24 AG50o/� • �, � ,- j)J ��+ 6� ) , - E , .3?> ( ) ! 12t5 2 ' t 1 On Diamond Valley Rd,near SW-05 , i ACMW-21 AG5081 j �� ' � 30.0. 2 ( Li I On River Ranch Rd,East side of Hwy 88 • AG50 7 • ACMW-22 L�)co 1q. 21s, 3- �. 1 (1 . 59.5 2 /) I, ./ _ On Fredericksburg Lane,near S7 ACMW-23 AG 0S.. } /3671) 36 17 ;3' ICC -4'.37 366 50.0 2 (0 1r Upstream of SW-15 1 - L- ACMW-24 _G50��.. � t13 IS.6 ��- `l 50.0 2 (. - (I pow-stream of S W-,5 ACMW-25 kGJv` ` ( t, 7 ' z ((I, 17.2c- ( / 30.0 2 1?- I 6 Behind Neddenriep's an Westside Lane; i .dirt rd between Roby 88 and Carson River ACMW-26AG50 y:. (Ct/qiv (0. . - L'• i 12S"( 30.0 2 (7 4 /On Westside Lane 0 Stateline Trip Blank A65083 I7 f , - & - o AG ;iret'crk,, \ (Z. �: //1(1� 6-- - 0 j I i Temperature of Control ��'�� ` ` ' �r . , , Xkw l" `�,- " ,Y � v r _ € when samples received / r- i ,,,:,x,°".'s ,; �, - at Lab ,4 ,,-44.',,,,,„,.. '' ,r - = % - . n ,i ,�_ *t*. '.- \* , , y .- . may. 4 7n .R x .,,,,, ��". _F` �` 4 .. -.chi.:� .n+.1k�.M � ��-..,. - Groundwater samples shall be collected onlyafter 2 1 well volumes Gallons to flush= 1 x 7.48 x 3.14 x 0.0832x water column height pH Std Check uses a 7.00 buffer.pH'meter must be re-1l Gallons to flush=0.17 x water column height(ft) standardized if result exceeds 7.00±0.05.EC Std Check have been flushed and Temperature,pH,and EC measurements Water column height=depth of well-water level uses a 200 pS/cm standard have stabilized to approximately±5%for each successive for 50'well whose water level is 35 feet from ground level: measurement taken in intervals z 5 minutes. Water column height=50'-35'=15' nv eh\Cnrmel .*i,i Chealel C)cL/arAA\AIAn \n 9A rine. a nnnl+A • Flushing Record Date: , 2 �//, > x �r e,[,�^a t '' 34`'� + 't' , -fir°{`-`1 4x. R•' Y' 4 .s• N N 'Y. ' 5 'fib �>� t., .��s w te • r r fi „� �Y lilw a_ w {301114)• /No )-- 1 • (0 - , i,(//4- 100 e1 _ l lc ( 1 ,C. 61, ? 15- (6).c) 1 I a 11 . 6 ‘,�.2to N 't co-A -a, 1 Z 2 , iu`' zVA' 70 cot-C'1 .37 _MY(' 7 11 /c), 67Z 10 I2 il 1 -1 6.:31 25-1 i,kni. w Ll //). y ! 3 1/) / 6 if iY,6 I/ i)- 11-21 ---q- 6 # /6. S 6.23 q3., G I134' i 7,__ I I (t)J,) .6a36 16.5 .kcouki z Z (i r t Lc 117 ') .«` HI 1,a,1 Q 1 LL ' i(., r (,;c 1 tf _ ,ii 113 _ 113'1 (2 . 1C el Li (l3 i )-3 l' c l Q 1 > UU . ,(4.-) 1 K • 1za,1. / 1 / 1) 11, 1 Ci,ol1 i t ACt.ck,i,4-7,, /3A 3 ) 1c, P 7'a'{ 3b o S C avf rz - 13(3 % Co 1i,”. `3 7..)-i- 3.. /5 I a s- ) 31 13 1 p 1 ,;. (c)3•> ).--t 3b6 . Cik'' Q -7--'\ 1.3 Zi) L '7,-- I(LI 6)-72 56 I c-,tis,/32 C I' s' ll ;( 6 ({ ' 7' 1() 13,E , ,1 1 1 C 9 / 1� 1 1 \ r ( 1 d. Note:Temp,pH,EC must stabil.zo 3.6%for,uxwsive measurements taken In Intervals>it minutes. ):\Lab\Fonns\Field Sheets\Monitor_WellFlushing_Record.doc