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1st Quarter 2019 Reclamation Permit Monitoring Report et 1950 150uth�ate� S ay Fublic Utility Di5trict 1275 Meadow Crest Drive•South Lake Tahoe•CA 96150-7401 (hone 530 544-6474 s Fax 530 541-0614•www.5tpud.u5 April 29, 2019 Patty Kouyoumdjian California Regional Water Quality Control Board - Lahontan Region 2501 Lake Tahoe Boulevard South Lake Tahoe, CA 96150 RB6-Lahontan(aD-waterboards.ca.gov Subject: Reclamation Permit Monitoring Report, 1st Quarter 2019 Ms. Kouyoumdjian, Enclosed is the South Tahoe Public Utility District's 2019 1 St quarter self-monitoring report for January through March 2019. 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) No wastewater was pumped to the ERB during this quarter. There was no wastewater remaining in the ERB on March 31, 2019. The ERB was inspected on January 3, 2019 and on February 28, 2019; the reports are attached. Export Pipeline eDistrict's Final effluent export pipeline route was inspected on January 29, 2019. No g pp damage to the pipe was found. Wastewater Reclamation Permit Compliance This monitoring program provides for continuous surface water monitoring, except during the months of December, January and February when only SW-01, SW-05, and SW-06 are monitored. 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 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, 4� C tc Shannon Cotulla Assistant General Manager / Engineer scotulla(&-stpud.dst.ca.us DALahontan\Reports\2019 1st Quarter Report.doc LRWQCB - Page 3 Enclosures- 1. ` Monthly Report Summary Pages Operational problems and maintenance activities. 1 Wastewater Treatment plant 6 Permit Compliance Record 1 Emergency Retention Basin (ERB) Inspection report. 4 Export Pipeline Inspection Report: 1 Sample site locations 2 Map of Alpine County sample sites 3 Harvey Place Reservoir recycled water storage 2 Harvey Place Reservoir Trihalomethanes test results 0 Alpine County and Tahoe Basin Surface waters, Groundwaters, and HPR 7 Blue Green Algae results 1 Alpine County and Tahoe Basin groundwater elevations 1 Alpine County soils 1 Sample Comments 1 4 Tahoe Basin ERB Monitoring Wells Purge Records Alpine County Monitoring Wells Purge Records 10 Photos of Irrigation ditch flows 0 Total pages 45 cc: Alpine County Board of Supervisors STPUD Contract Commission — Dr. Richard Harvey Alpine County Health Department — Dr. Richard Johnson Alpine County Health Department — Dennis Lampson pdf: Irvin Jim, Woodfords Community Council Chairman Nevada Division of Environmental Protection — Jean Stone STPUD General Manager— John Thiel STPUD Alpine County Operations — Jim Hilton STPUD Manager of Operations — Jeff Lee STPUD Operations Chief Plant Operator — Chris Siano STPUD Laboratory Director— Dan Arce DALahontan\Reports\2019 1st Quarter Report.doc Page 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT 4/25/2019 WASTEWATER TREATMENT PLANT MONTHLY REPORT 5:42 PM January 2019 <--------------------Flow M G D--------------------> B O D SS 2-Hr Peak Pond Pond Precipitation mg/L mg/L Date Day Inf Inf Eff Return Inf Inch Type Raw Final Raw Final 1/1/2019 Tue 4.08 5.9 4.36 1/2/2019 Wed 3.83 5.1 4.15 252 8.0 202 5.3 1/3/2019 Thu 3.75 4.8 4.11 1/4/2019 Fri 3.74 4.9 4.13 1/5/2019 . Sat 3.76 5.1 3.64 0.14 Snow 244 6.8 204 3.0 1/6/2019 Sun 3.46 4.6 4.08 1/7/2019 Mon 3.15 4.1 3.22 0.01 Snow 1/8/2019 Tue 3.04 3.9 3.24 1/9/2019 Wed 3.10 4.0 3.56 0.09 Rain 243 5.4 197 2.5 1/10/2019 Thu 3.00 4.0 3.39 1/11/2019 Fri 3.19 4.0 3.33 1/12/2019 Sat 3.59 4.7 3.71 240 6.4 163 3.0 1/13/2019 Sun 3.36 5.0. 3.62 1/14/2019 Mon 2.93 3.7 3.01 1/15/2019 Tue 2.82 3.5 3.18 0.52 Rain 1/16/2019 Wed 3.68 4.6 4.30 0.94 Rain. 212 4.8 198 1.7 1/17/2019 Thu 3.25 4.0 3.77 0.64 Snow 1/18/2019 Fri 3.46 .4.2 . 3.86 0.01 Snow 1/19/2019 Sat 4.27 5.6 3.58 298 ( 5.7 235 2.6 1/20/2019 Sun 4.66 6.5 5.21 0.79 Rain 1/21/2019 Mon 3.78 5.2 4.88 0.01 Snow 1/22/2019 Tue 3.20 4.0 3.41 1/23/2019 Wed 3.20 3.9 3.62 198 3.9 168 1.6 1/24/2019 Thu 3.16 3.9 3.40 1/25/2019 Fri 3.37 4.1 3.72 1/26/2019 Sat 3.83 5.1 3.42 260 6.5 202 3.2 1/27/2019 Sun 3.62 5.4 4.16 1/28/2019 Mon 3.08 4.0 3.22 1/29/2019 Tue 3.11 4.0 3.35 1/30/2019 Wed 2.98 3.7 3.64 NV NV 165 2.1 1/31/2019 Thu 2.99 3.6 3.21 Permit Max 7.7 45 60 Permit Min Permit Ave 30 30 Total 106.44 139.1 115.48 0.00 0.00 3.15 1947 47.5 1734 25.0 Maximum 4.66 6.5 5.21 0.00 0.00 0.94 298 8.0 235 5.3 Minimum 2.82 3.5 3.01 0.00 0.00 0.01 198 3.9 163 1.6 Average 3.43 4.5 3.73 0.35 243 5.9 193 2.8 #Tests 31 31 31 0 0 9 8 8 9 9 i Page 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT 4/25/2019 WASTEWATER TREATMENT PLANT MONTHLY REPORT 5:42 PM January 2019 pH Chlorine <Final Total Coliforms> Total Nitrogen TDS Units mg/L MPN/100 mL. mg/L mg/L Date Day Raw Final Final Total day-'Median Raw Final Raw Final 1/1/2019 Tue 7.54 8.01 7.1 < 1 < 1 1/2/2019 Wed 7.45 7.82 8.4 < 1 < 1 45.0 41.3 282 288 1/3/2019 Thu 7.53 7.95 7.0 1< 1 < 1 1/4/2019 Fri 7.48 7.88 6.5 < 1 < 1 1/5/2019 Sat 7.58 7.90 7.3 < 1 < 1 1/6/2019 Sun 7.54 7.89 7.0 < 1 < 1 1/7/2019 Mon 7.50 7.89 6.5 < 1 < 1 1/8/2019 Tue 7.47 7.87 6.7 < 1 < 1 1/9/2019 Wed 7.45 7.78 7.1 < 1 < 1 1/10/2019 Thu 7.45 7.83 10.2 < 1 < 1 41.4 34.2 1/11/2019 Fri 7.54 7.81 7.4 1 < 1 1/12/2019 Sat 7.61 7.85 10.1 < 1 < 1 1/13/2019 Sun 7.44 7.87 7.5 < 1 <.1 1/14/2019 Mon 7.48 7.87 7.4 < 1 < 1 38.7 38.0 1/15/2019 Tue 7.64 7.91 7.4 < 1 < 1 1/16/2019 Wed 7.61 7.86 7.8 < 1 < 1 250 260 1/17/2019 Thu 7.63 - 7.83 7.0 < 1 < 1 1/18/2019 Fri 7.49 7.82 7.5 < 1 < 1 1/19/2019 Sat 7.50 7.75 7.0 < 1 < 1 1/20/2019 Sun 7.45 7.74 6.9 < 1 < 1 1/21/2019 Mon 7.56 7.76 6.1 < 1 < 1 38.7 34.3 1/22/2019 Tue 7.50 7.82 7.2 < 1 < 1 1/23/2019 Wed 7.53 7.80 5.6 < 1 < 1 272 268 1/24/2019 Thu 7.60 7.89 6.3 < 1 < 1 1/25/2019 Fri 7.65 7.89 7.3 < 1 < 1 1/26/2019 Sat 7.63 7.93 6.1 < 1 < 1 1/27/2019 Sun 7.41 7.91 7.3 < 1 < 1 1/28/2019 Mon 7.49 7:80 6.5 1 < 1 1/29/2019 Tue 7.47 7.73 7.4 < 1 < 1 1/30/2019 Wed 7.47 7.85 6.4 < 1 < 1 39.2 31.4 1/31/2019 Thu 7.34 7.65 6.0 < 1 < 1 Permit Max 9.00 23 Permit Min 6.50 Permit Ave Total 233.03 243.16 222.0 31 31 203.0 179.2 804 816 Maximum 7.65 8.01 10.2 1 1 45.0 41.3 282 288 Minimum 7.34 7.65 5.6 1 1 38.7 31.4 250 260 Average 7.52 7.84 7.16 1.0 1.0 40.6 35.8 268 272 #Tests 31 31 31 31 31 5 5 3 3 i r Page 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT 4/25/2019 WASTEWATER TREATMENT PLANT MONTHLY REPORT 5:42 PM February 2019 <--------------------Flow M G D--------------------> B O D SS 2-Hr Peak Pond Pond Precipitation mg/L mg/L Date Day Inf Inf Eff Return Inf Inch Type Raw Final Raw Final 2/1/2019 Fri 3.30 4.1 3.77 .2/2/2019 Sat 3.98 5.2 4.43 1.08 Rain 229 6.4 202 3.6 2/3/2019 Sun 3.55 4.7 3.65 0.54 Snow 2/4/2019 Mon 3.18 4.0 3.34 0.44 Snow 2/5/2019 Tue 3.10 3.9 3.35 0.14 Snow 238 5.S 188 33 2/6/2019 Wed 3.07 3.8 3.37 2/7/2019 Thu 3.17 3.9 3.95 2/8/2919 Fri 3.39 4.1 3.55 0.17 Snow 2/9/2019 Sat 3.75 4.8 3.60 0.17 Snow 243 6.3 175 4.0 2/10/2019 Sun 3.60 4.7 3.95 r 2/11/2019 Mon 3.25 4.1 3.46 2/12/2019 Tue 3.07 3.9 3.42 0.02 Rain 2/13/2019 Wed 6.10 7.5 7.81 2.24 Rain 144 11.4 178 6.2 2/14/2019 Thu 7.01 9.7 8.37 1.54 Snow 2/15/2019 Fri 5.48 6.4 5.40 0.58 Snow 2/16/2019 Sat 5.36 6.5 5.48 144 11.3 113 4.7 2/17/2019 Sun 5.16 6.1 5.53 2/18/2019 Mon 4.78 5.9 4.98 2/19/2019 Tue 4.38 5.5 4.38 204 9.0 150 3.6 2/20/2019 Wed 4.27 5.1 5.17 0.10 Snow 2/21/2019 Thu 4.21 5.0 4.20 2/22/2019 Fri 4.38 5.3 5.26 2/23/2019 Sat 4.64 5.9 4.53 247 10.8 196 4.4 2/24/20,19 Sun 4.27 6.0 4.56 2/25/2019 Mon 3.72 4.7 4.13 0.14 Snow 172 11.6 161 4.5 2/26/2019 Tue 3.62 4.4 4.01 0.06 Snow 2/27/2019 Wed 3.81 4.5. 4.06 0.23 Rain 2/28/2019 Thu 3.96 4.7 4.79 0.13 Rain Permit Max 7.7 45 60 Permit Min Permit Ave 30 30 Total 115.56 144.4 126.50 0.00 0.00 7.58 1621 72.2 1363 34.3 Maximum 7.01 9.7 8.37 0.00 0.00 2.24 247 11.6 202 6.2 Minimum 3.07 3.8 3.34 0.00 0.00 0.02 144 5.5 113 3.3 Average 4.13 5.2 4.52 0.51 203 9.0 170 4.3 #Tests 28 28 28 0 0 15 8 8 8 8 "Page 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT 4/25/2019 WASTEWATER TREATMENT PLANT MONTHLY REPORT > 5:42 PM February 2019 pH Chlorine <Final Total Coliforms> Total Nitrogen TDS Units mg/L MPN/100 mL mg/L mg/L Date Day Raw Final Final Total day-Median Raw Final Raw Final 2/1/2019 Fri 7.59 7.86 6.6 < 1 < 1 2/2/2019 Sat 7.57 7.85 5.1 < 1 < 1 2/3/2019 Sun 7.44 7.80 6.4 < 1 < 1 2/4/2019 Mon 7.56 7.86 6.5 1 < 1 2/5/2019 Tue 7.52 7.90 6.6 < 1 < 1 264 258 2/6/2019 Wed 7.59 7.89 6.8 < 1 < 1 39.0 31.9 2/7/2019 Thu 7.53 7.80 6.7 < 1 < 1 2/8/2019 Fri 7.51 7.79 6.6 < 1 < 1 2/9/2019 Sat 7.64 7.80 6.5 < 1 < 1 2/10/2019 Sun 7.51 7.86 7.0 < 1 < 1 2/11/2019 Mon 7.58 7.96 6.3 < 1 < 1 2/12/2019 Tue 7.52 7.85 6.3 1 < 1 39.1 32.8 2/13/2019 Wed 7.32 7.44 5.4 < 1 < 1 2/14/2019 Thu 7.48 7.59 7.4 < 1 < 1 2/15/2019 Fri 7.58 7.58 6.5 < 1 < 1 2/16/2019 Sat 7.63 7.84 9.2 < 1 < 1 2/17/2019 Sun 7.63 ,7.87 6.9 < 1 < 1 2/18/2019 Mon 7.69 7.94 6.2 < 1 < 1 2/19/2019 Tue 7.44 7.72 6.7 1 < 1 33.5 24.9 2/20/2019 Wed 7.52 7.69 4.9 < 1 < 1 2/21/2019 Thu' 7.57 7.75 6.0 < 1 < 1 2/22/2019 Fri 7.50 7.78 7.9 < 1 < 1 2/23/2019 Sat 7.46 7.80 6.8 < 1 < 1 2/24/2019 Sun 7.40 7.88 7.0 < 1 < 1 2/25/2019 Mon 7.47 7.74 7.5 < 1 < 1 264 243 2/26/2019 Tue 7.48 7.69 8.5 < 1 < 1 35.6 25.8 2/27/2019 Wed 7.46 7.70 8.9 < 1 < 1 2/28/2019 Thu 7.53 7.76 6.6 < 1 < 1 Permit Max 9.00 23 Permit Min 6.50 Permit Ave Total 210.72 217.99 189.8 28 28 147.2 115.4 528 501 Maximum 7.69 7.96 9.2 1 1 39.1 32.8 264 258 Minimum 7.32 7.44 4.9 1 1 33.5 24.9 264 243 Average 7.53 7.79 6.78 1.0 1.0 36.8 28.9 264 251 #Tests 28 28 28 28 28 4 4 2 2 Page 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT 4/25/2019 WASTEWATER TREATMENT PLANT MONTHLY REPORT 5:43 PM March 2019 <--------------------F Flow M G D--------------------> B O D SS 2-Hr Peak Pond Pond Precipitation mg/L mg/L Date Day Inf Inf Eff Return Inf Inch Type Raw Final Raw Final 3/1/2019 Fri 4.14 4.8 4.51 3/2/2019 Sat 4.90 6.2 5.10 0.38 Rain 225 9.8 165 3.1 3/3/2019 Sun 5.09 4.1. 4.91 0.24 Snow 3/4/2019 Mon 4.53 5.4 5.29 3/5/2019 Tue 4.36 5.0 5.28 0.23 Snow 162 6.4 124 3.6 3/6/2019 Wed 4.67 5.5 5.31 0.93 Snow 3/7/2019 Thu 4.54 5.3 5.00 0.02 Snow 3/8/2019 Fri 4.45 5.2 4.75 3/9/2019 Sat 4.45 5.7 4.60 206 7.1 161 3.8 3/10/2019 Sun 4.22 5.7 4.85 0.01 Snow 3/1.1/2019 Mon 4.01 4.8; 4.40 0.01 Snow 3/12/2019 Tue 3.92 4.7 4.17 0.04 Snow 3/13/2019 Wed 3.81 4.6 4.49 213 6.6 178. 2.3 3/14/2019 Thu 3.77 4.5 4.08 3/15/2019 Fri 4.00., 4.6 4.12 3/16/2019 Sat 4.49 5.6 4.20 196 9.9 137 2.5 3/17/2019 Sun 4.36 5.7 4.85 3/18/2019 Mon 4.11 4.9 4.15 189 10.8 150 3.8 3/19/2019 Tue 4.11 4.9 4.76 3/20/2019 Wed 4.16 4.9 5.41 0.10 Rain 3/21/2019 Thu 4.18 4.9 4.18 0.05 Rain 3/22/2019 Fri 4.32 5.1 4.69 3/23/2019 Sat 4.69 5.7 4:79 0.10 Rain 207 10.4 153 4.7 3/24/2019 Sun 4.36 5.9 4.74 3/25/2019 Mon 4.18 4.9 4.75 3/26/2019 Tue 4.20 5.0 .4.44 3/27/2019 Wed 4.58 6.0 4.67 1.29 Snow 154 6.0 139 3.6 3/28/2019 Thu 4.47 5.3 5.99 0.11 Snow 3/29/2019 Fri 4.50 5.2 4.83 0.01 Rain 3/30/2019 Sat 4.77 5.7 5.03 194 6.9 146 4.4 3/31/2019 Sun 1 4.64 6.2 4.85 Permit Max 7.7 45 60 Permit Min Permit Ave 30 30 Total 134.98 162.0 147.19 0.00 0.00 3.52 1746 73.9 1353 31.7 Maximum 5.09 6.2 5.99 0.00 0.00. 1.29 225 10.8 178 4.7 Minimum 3.77 4.1 4:08 0.00 0.00 0.01 154 6.0 124 2.3 Average 4.35 5.2 4.75 0.25 194 8.2 150 3.5 #Tests 31 31 31 0 0 14 9 9 9 9 Page 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT 4/25/2019 WASTEWATER TREATMENT,PLANT MONTHLY REPORT 5:43 PM March 2019 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 3/1/2019 Fri 7.59 7.85 7.5 < 1 < 1 3/2/2019 Sat 7.51 7.86 6.9 < 1 < 1 3/3/2019 Sun 7.46 7.77 7.7 < 1 < 1 3/4/2019 Mon 7.50 7.84 6.5 < 1 < 1 3/5/2019 Tue 7.40 7.74 7.5 < 1 < 1 222 213 3/6/2019 Wed 7.36 7.75 7.5 < 1 < 1 27.5 19.1 3/7/2019 Thu 7.45 7.68, 5.9 < 1 < 1 3/8/2019 Fri 7.50 7.72 7.7 < 1 < 1 3/9/2019 Sat 7.54 7.64 7.1 < 1 < 1 3/10/2019 Sun 7.50 7.81 6.6 < 1 < 1 3/11/2019 Mon 7.49 7.83 6.0 < 1 < 1 3/12/2019 Tue 7.53 7.90 5.6 < 1 < 1 32.5 21.7 3/13/2019 Wed 7.52 7.80 5.6 < 1 < 1 3/14/2019 Thu 7.52 7.83 7.0 < 1 < 1 3/15/2019 Fri 7.46 7.71 5.7 < 1 < 1 3/16/2019 Sat 7.48 7.79 6.0 < 1 < 1 3/17/2019 Sun 7.53 7.89 6.0 < 1 < 1 3/18/2019 Mon 7.41 7.83 5.8 < 1 < 1 245 245 3/19/2019 Tue 7.40 7.76 5.4 < 1 < 1 29.2 23.2 3/20/2019 Wed 7.42 7.72 6.1 < 1 < 1 3/21/2019 Thu 7.46 7.91 7.0 < 1 < 1 3/22/2019 Fri 7.41 7.72 6.5 < 1 < 1 3/23/2019 Sat 7.45 7.69 6.7 < 1 < 1 3/24/2019 Sun 7.47 7.74 6.1 < 1 < 1 3/25/2019 Mon 7.44 7.82 6.0 < 1 < 1 29.9 22.2 3/26/2019 Tue 7.53 7.72 6.5 < 1 < 1 3/27/2019 Wed 7.42 7.66 6.1 < 1 < 1 3/28/2019 Thu 7.48 7.63 6.4 < 1 < 1 3/29/2019 Fri 7.48 7.75 7.2 < 1 < 1 3/30/2019 Sat 7.45 7.69 6.7 1 < 1 3/31/2019 Sun 7.41 7.84 6.7 < 1 < 1 Permit Max 9.00 23 Permit Min 6.50 Permit Ave Total 231.57 240.89 202.0 31 31 119.1 86.2 467 458 Maximum 7.59 7.91 7.7 1 1 32.5 23.2 245 245 Minimum 7.36 7.63 5.4 1 1 27.5 19.1 222 213 Average 7.47 7.77 6.52 1.0 1.0 29.8 21.6 234 229 #Tests 31 31 31 31 31 4 4 2 2 Page 3 SOUTH TAHOE PUBLIC UTILITY DISTRICT �- WASTEWATER TREATMENT PLANT NUMBER OF VIOLATIONS 2019 Parameter #Tests Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total Compliance Total Plant Inflow;7.7 MGD;Dry Weather 90 0 0 0 100.0% 2-Hour Peak Inflow; 18.5 MGD 90 0 0 0 100.0% BOD,30 Day Ave:30 mg/L 3 - 0 0 0 100.0% BOD,Max:45 mg/L 25 0 0 0 100.0% SS,30 Day Ave:30 mg/L 3 0 0 0 100.0% SS,Max:60 mg/L 26 0 0 0 100.0% pH,6.5 to 8.5 90 0 0 - 0 100.0% Total Coliforms, Max:240 MPN/100 mL 90 0 0 0 100.0% Total Coliforms,7-day Median:23 MPN 90 0 0 0 100.0% Total 507 0 0 0 0 0 0 0 0 0 0 0 0 0 100.0% South Tahoe Public Utility District ERB Inspection Date of Inspection: Performed by: -e i.� Inspection Procedure: Walk the entire crest of the ERB looking for any problems. Pay particular attention to the condition of the liner.Note the location of any needed repairs on the map on the next page. If the basin is empty and free of snow,walk the entire interior tow checking for liner failures. Scan the entire floor for breaches of any kind. Rodent activity: Vegetation control: Overflow Spillway: 0_1L Stairs North: - A Stairs South: Top Fill Structure North: Top Fill Structure South: Drain Valve North: Drain Valve South: o K Perimeter Fence& Gates: Valve House: GDoJ) Comments: Date of Inspection: /'3'J Performed by: %�'ey? =� + + + + + + + + + + + ~- -,Valve House Aw __... .01 OWL Outlet Valve + North Bond tli Stairsjot , A 01, , t Outlet Valve + + + South Pond t �' �"yam- --Yam'-�«..:., r rd I�---••�,w,...� i tip B Stair XK =� + ♦ + ♦ + + + ♦ + + "L South Tahoe Public Utility District ERB Inspection Date of Inspection: -, t Performed by: '. w C . r- Inspection Procedure: Walk the entire crest of the ERB looking for any problems. Pay particular attention to the condition of the liner.Note the location of any needed repairs on the map on the next page. If the basin is empty and free of snow, walk the entire interior tow checking for liner failures. Scan the entire floor for breaches of any kind. Rodent activity: aK Vegetation control: ,mac Overflow Spillway: Stairs North: tyA Stairs South: tv h- Top Fill Structure North: Q g� Top Fill Structure South: n Drain Valve North: (>jc:- Drain Valve South: t3/c Perimeter Fence& Gates: Valve House: o k Comments: 17 r'v #`LY r 44 1 1 v C. tAJ A AY d /*V S P G Date of Inspection: -?•Q t Performed by: RQ� E4 4,Lf fj Valve House ..r. t Ou t le t Val ye + ! •�• + + + + North Pond , SWS " 4 � � ;.....�- Oro. .,.�...�.....,...,._�............ ....._«.....��-.�..,.�......, ,.„.swro...,^'�'+�w•i•�•'" 44, It "� �� — ...-row.--,� T • �`' ^ M Oro t� < . Outlet Valve ' grow i South Pond T[ '♦...r, ,. �'a w w � +F � •� yam.+.w... s w � �M! SOUTH TAHOE PUBLIC UTILITY DISTRICT MEMORANDUM Date: April 23, 2019 To: John Thiel, Shannon Cotulla, Tim Bledsoe, Dan Arce From: Larry Mcdonough Topic: Export Line Check On 1/29/19, Bill Otto, Larry McDonough, James Cullen, conducted our check of the District's export line from the treatment plant to station 564+06 near the Harvey Place reservoir. No damage to the pipe was found. Larry McDonough Inspector CC Dan Arce EXPRT 1000.M EM Sample Sites S�1e Latitude �o,'ngitude Loccl.,0 Yype Samphe 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 Mo I nitoring 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 Page 1 of 2 1 Sample Sites Site: Latitude Lon etude Location;.. T._..,a Sam le . . 9. YP P 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 SWA 0 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 8-8 '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 J 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 -1191780543 Diamond Ditch @ beginning;HPR effluent Ditch SW-12 38.809127 -119.777411 Bruns Diversion Ditch SWA 3 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 DALahontan\Sample Sites\Lahontan Report-Sample Sites Page 2 of 2 ,. it ^'•� d�i�1 i.'`)".s�.."�11��,,,,� a { 1�15�y+` .l.?t>'.• 1�.�`' •� rar» ., �! 1 *.'. a a• ( �a 1"a?w'�;: j.t t� J:y\7!" !t,• .•t P�Y,�r ,"•i,�rl, 'ty'l�.!� �I'isi�t�-�'.Y��,':!�>i:,� `'7i�:`•<r•,, •y< ••a f� ,i;,aP' ` 1 1 •,k:• ti �' ff!, '' f •• ''jr„ -LI'' i�t�'' .e•4'�1'C�' .{�, ttis>r ''1� i1Q,.�J f•.1'¢�;i � •ij,•rgitit. e• \� ;K:'. 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I �.'1 ► IJIZ }., I I H .'A ° a} qvf• ,� v,,- _gyp,^ ' I - ',. ,-... i .� ., r'1 I. .{' t,"41,A N1 1. , (•; •.i.l( �..1 I -L." :F, . I, I ,/.. I.... '�41. :.. I ..I r w 1r. / I r`. . ,.oi ► t.)C - , 1*V.1A;K Cltl[AK 4 '. I�r �ti Ire' I I •''•2 l ... i1. 1 I .» rr 1 -�. I . 4 41 J.. : 4 I ;' I' ur� 116' !' .. ! KE it4TItoN.'y L.A11 6 I .. I t I ..,u� r . scr < I i . {! I I , •; %( `, 5 in0 i\� ,I �` c;�-11.R T C ,' l r t4 �I •�i I�' EXPLANATION - b y. /!I I I r ` I �i. 1� j r' I. :1 l A �}' \ a i, .w 3 I y MONITOR WELL 1 i. V fj G .. t Y ,I,.".1 }.' i i 1. �f; F� I'. �'- +o f PRIVATE WELL It Iff 1 u ' I.. ' ,t �� e�; i^tp' Irngation-Recyled-23 Water , I ... ....- .. ' --� t. IAA ! Recycled Wat J,.- !. I f,A , I--..: ,� Irrigation Blended �. :' A. !, Water lV• �..........� I.. ; i r1. i` b . i 1 :i. r 1 I 'II I� .'' .. I. - `( ,. .G ri , I ` ,. .. ,,•. / ` ,1. '.. •:1.1 .•I' \.f 1•w2. `•'f �� ,'1 x .. I= 5,000Feet SOUTH TAHOE PUBLIC UTILITY DISTRICT " RECYCLED WATER MONITORING PROGRAM WELL LOCATIONS W E CARSON VALLEY GROUNDWATER BASIN (6-6) ALPINE COUNTY, CA S (a� PwwX. SY0 aan•C-ntN0StALPMws 24,14.m,a p Sw-07 �A vr. SW 15 t � r • y r SIN-13 SW " ��W-t2 • " ,p r • • • „,R4M1rUv�� • • f�.___ SW 10 1_.�"aprUrlCh S W-08 , ;Svvr v jy • " :Mwpas �'N SW-04 h*"L • • r AG#t n 41 • � . • ,a�N•" A::M�,�y� �:MW U SW" ■ .. � "w� � Y NYC„M1 • • • Nr. • �� • • AG MVK.��.� v» r .�a1r`V+)I • `+• • • MIttM.lfl • i �..vl •- • ABM ; t� ♦ �Y HPP a Sw02 EXPLANATION o • Surface Water w• � • IC.R f C7• ` Ditch • Ick:; Reservoir • MONITOR WELL ICR 5 )oO )00 6.000 Feat " SOUTH TAHOE PUBLIC UTILITY DISTRICT RECYCLED WATER PROGRAM w , MONITORING LOCATIONS ALPINE COUNTY,CA s Path kkGIS%18 Alpine CountyWpine Co Monitonng_11 x17_15Aug 2014,mxd 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 01/01/16 743 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 .13478 07/01/16 21139 1,661 08/01/16 1,304 21496 09/01/16 595 .3,205 10/01/16 72 3,728 11/01/16 243 3,557 12/01/16 479 3,321 01/01/17 940 2,860 02/01/17 1,843 1,957 03/01/17 3,082 718 04/01/17 3,460 340 05/01/17 3,005 7195 06/01/17 2,617 17183 07/01/17 2,210 1,590 08/01/17 1,626 21174 09/01/17 878 2,922 10/01/17 114 3,686 11/01/17 220 3,580 12/01/17 544 3,256 01/01/18 878 2,922 02/01/18 1,177 2,623 03/01/18 1,410 2,390 04/01/18 1,938 1,862 05/01/18 2,246 1,554 06/01/18 2,465 1,335 I 07/01/18 1,927 1,873 08/01/18 1,240 2,560 09/01/18 531 3,269 10/01/18 88 3,712 11/01/18 206 3,594 12/01/18 453 3,347 01/01/19 781 3,019 02/01/19 1,131 2,669 03/19/19 1,714 2,086 E:\HPR\HPR Current Storage-Lahontan_Report Acre-feet - Cal O C3l O Ul O C3l O O O O O O O O O O O O O O O O O O 01/16 02/16 03/16 04/16 05/16 06/16 07/16 08/16 09/16 /w 10/16 C 11/16 12/16 0 01/17 02/17 �. 03/17 04/17 05/17 06/17 07/17 08/17 rollL 09/17 O o � 10/17 CD Q (D owl 11/17 �■ 12/17 01/18 r 02/18 03/18 04/18 05/18 .06/18 07/18 08/18 09/18 10/18 11/18 12/18 01/19 02/19 03/19 Alpine County Summary Report Temp pH EC DO Alk TDS SS Turb Chloride Sulfate ACMW-01AW 01/15/2019 Main Dam 10.3 6.32 134 38.6 98 7.95 2.50 ACMW-01BE 01/15/2019 Secondary Dam 8.0 6.01 104 48.0 85 1.27 2.55 ACMW-02N 01/15/2019 Access Gate 11.3 6.36 142 59.3 101 2.34 4.14 ACMW-02S 01/15/2019 Access'Gate 11.3 6.14 125 53.1 91 2.34 3.73 ACMW-04W 01/15/2019 Gansberg 11.1 6.38 182 46.0 131 10.3 19.1 ACMW-06S 01/15/2019 Celio 11.9 7.38 636 225 390 54.4 24.6 ACMW-08N 01/23/2019 Diamond Valley Ranch 12.9 6.59 161 78.3 116 1.74 1.32 ACMW-09D 01/31/2019 Diamond Valley Ranch 12.7 6.34 80.3 33.5 84 2.19 3.05 ACMW-10 01/31/2019 Diamond Valley Ranch 12.1 6.27 178 79.1 136 4.84 3.80 ACMW-11 01/31/2019 Diamond Valley Ranch 11.5 6.22 102 30.1 81 2.55 5.04 ACMW-12 01/23/2019 Diamond Valley Ranch 11.8 6.43 111 47.8 88 1.66 2.29 ACMW-13 01/23/2019 Diamond Valley Ranch 9.5 6.02 135 54.1 112 2.69 3.27 ACMW-14 01/31/2019 Diamond Valley Ranch 11.2 6.02 69.6 30.3 61 1.43 2.38 ACMW-15 03/07/2019 Diamond Valley Ranch 11.4 6.00 63.0 27.7 54 1.05 1.60 ACMW-16 03/07/2019 Diamond Valley Ranch 8.4 6.30 107 39.0 86 2.61 2.51 ACMW-17 03/07/2019 Diamond Valley Ranch 5.7 6.35 77.0 29.9 61 2.04 2.48 ACMW-18 03/20/2019 Diamond,Valley Ranch 9.6 6.04 86.5 30.2 57 1.75 2.31 ACMW-19 03/20/2019 Diamond Valley Ranch 9.9 6.35 186 82.3 118 4.22 2.32 ACMW-20 01/23/2019 Diamond Valley Rd- 12.0 5.87 106 30.5 75 1.97 2.36 Paynesville ACMW-21 03/07/2019 River Ranch Rd 9.5 6.16 138 34.2 102 9.64. 4.68 ACMW-22 03/07/2019 Fredericksburg Ln 11.5 6.10 109 35.8 87 4.48 2.07 ACMW-23 03/20/2019 Scott Brooke's Ranch by 13.9 7.09 392 172 269 3.58 19.0 Irrigation Ditch ACMW-25 03/07/2019 Access road between 9.5 6.27 228 38.6 165 18.5 8.51 Neddenriep&Brooke ranches ACMW-26 03/07/2019 Access road between 4.6 6.33 199 35.2 144 25.9 11.7 Neddenriep&Brooke ranches CONTROL 01/08/2019 East side near Post Office 9.0 6.86 253 20.2 GW-05 01/31/2019 Neddenriep 9.4 6.45 281 61.8 186 29.7 10.3 GW-08 01/31/2019 Arant Ranch house 15.2 6.05 318 50.0 208 39.5 12.5 GW-11 01/23/2019 Diamond Valley School 10.1 6.64 150 70.4 107 1.15 0.833 GW-17 01/23/2019 Diamond Valley Ranch House 15.3 6.68 140 64.4 70 2.05 <0.50 Well HPR 01/03/2019 Harvey Place Reservoir 4.0 7.83 667 9.09 191 272 3.62 4.6 63.8 17.9 02/07/2019 Harvey Place Reservoir 2.0 7.84 627 10.94 177 260 3.71 4.8 58.5 18.7 03/04/2019 Harvey Place Reservoir 5.2 8.11 477 9.04 145 222 7.51 5.6 48.2 15.0 HVC-1 01/22/2019 HVC @ Pioneer Trail 0.70 7.31 92.2 7.10 03/13/2019 HVC @ Pioneer Trail 1.2 7.28 49.0 1.55 HVC-2 01/22/2019 HVC 250'Upstream Pond#2 0.30 6.18 63.7 2.29 02/20/2019 HVC 250'Upstream Pond#2 0.40 6.23 61.2 3.05 03/13/2019 HVC 250'Upstream Pond#2 0.88 6.74 46.0 2.52 HVC-3 03/13/2019 HVC 25'Downstream of 0.78 7.00 53.0 3.50 Meadow Crest MW01_5 01/08/2019 SW corner of ERB 8.0 7.28 174 2.41 Results resported as mg/L except EC as uS/cm Turbidity as NTU Colifoms as MPN/100ml- Temp as C NC=Not counted Page 1 Of 8 Alpine County Summary Report Temp pH EC DO Alk TDS SS Turb Chloride Sulfate MW02-50 01/08/2019 South side of ERB Pond 8.9 6.61 295 32.0 MW03-50 01/08/2019 Southwest corner of ERB Pond 9.2 6.30 420 75.0 MW04-50 01/08/2019 Hank Monk side of ERB 7.2 6.25 96.4 7.41 MW07-50 01/08/2019 North side of ERB Pond 6.4 7.35 185 11.9 MW08-25 01/14/2019 South of Pond 1 \ 9.5 6.88 614 22.7 MW11 01/14/2019 North of Biosolids building 7.8 6.12 210 22.7 MW12 01/14/2019 South of Biosolids Building 9.8 6.51 332 17.7 MW13 01/14/2019 South of Pond 2 along HVC 6.0 7.03 626 34.3 SW-01 01/03/2019 Carson River Woodfords 0.64 7.55 82.7 11.90 37.9 57 0.2 0.76 1.92 2.35 02/07/2019 Carson River Woodfords 0.50 7.74 92.0 12.11 37.2 69 1.08 1.1 3.88 2.50 03/04/2019 Carson River Woodfords 1.7 6.84 82.0 11.32 34.2 68 1.05 0.76 4.70 2.38 SW-02 03/04/2019 Indian Creek Upper 1.8 7.07 68.0 11.71 29.9 51 0.68 2.5 -4.12 0.622 SW-03 03/04/2019 Indian Creek Mid 3.7 7.18 76.0 11.23 33.8 75 6.57 4.6 3.94 1.15 SW-04 03/04/2019 Indian Creek Lower 5.7 7.39 91.0 10.64 41.5 82 14.3 7.7 3.35 1.75 SW-05 01/03/2019 Carson River Paynesville 0.26 8.08 101 12.70 44.8 51 0.3 1.2 2.69 3.12 02/07/2019 Carson River Paynesville 0.30 8.33 108 12.86 42.5 82 0.97 1.9 4.48 3.47 03/04/2019 Carson River Paynesville 4.3 8.10 88.0 11.48 36.4 72 1.56 1.1 4.79 2.68 SW-06 01/03/2019 Carson River Stateline 0.20 _ 7.81 111 13.10 47.8 84 0.2 0.55 3.39 3.67 02/07/2019 Carson River Stateline 0.50 8.01 114 13.56 44.1 90 3.07 1.5 5.28 3.82 03/04/2019 Carson River Stateline 5.0 8.27 89.0 11.56 36.8 58 1.58 1.1 4.87 2.88 SW-08 03/04/2019 Irrigation Ditch 12.6 6.80 108 4.91 39.0 134 0.45 0.80 2.72 9.73 Results resported as mg/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 01/15/2019 Main Dam 0.017 0.029 <0.020 2.52 <0.020 2.52 <0.05 ACMW-01BE 01/15/2019 Secondary Dam 0.025 0.037 <0.020 0.199 <0.020 0.114 0.085 ACMW-02N 01/15/2019 Access Gate 0.022 0.042 <0.020 1.14 <0.020 1.18 <0.05 ACMW-02S 01/15/2019 Access Gate 0.014 0.018 <0.020 0.270 <0.020 0.159 0.111 ACMW-04W 01/15/2019 Gansberg 0.016 0.024 <0.020 1.52 <0.020 1.50 <0.05 ACMW-06S 01/15/2019 Celio 0.094 0.085 <0.020 0.180 <0.020 0.021 0.159 ACMW-08N 01/23/2019 Diamond Valley Ranch 0.041 0.046 <0.020 0.689 <0.020 0.593 0.096 ACMW-09D 01/31/2019 Diamond Valley Ranch 0.051 0.071 <0.020 1.18 <0.030 1.14 <0.050 ACMW-10 01/31/2019 Diamond Valley Ranch 0.032 0.036 <0.020 0.566 <0.010 0.555 <0.050 ACMW-11 01/31/2019 Diamond Valley Ranch 0.016 0.021 <0.020 2.97 <0.010 2.95 <0.050 ACMW-12 01/23/2019 Diamond Valley Ranch 0.037 0.032 <0.020 0.452 <0.010 0.369 0.083 ACMW-13 01/23/2019 Diamond Valley Ranch 0.021 0.043 <0.020 1.70 <0.030 1.76 <0.05 ACMW-14 01/31/2019 Diamond Valley Ranch 0.016 0.029 <0.020 0.280 <0.020 0.225 0.055 ACMW-15 03/07/2019 Diamond Valley Ranch 0.029 0.028 <0.020 0.712 <0.010 0.731 <0.070 ACMW-16 03/07/2019 Diamond Valley Ranch 0.052 0.049 <0.020 2.81 <0.010 2.75 <0.070 ACMW-17 03/07/2019 Diamond Valley Ranch 0.019 0.021 <0.020 1.37 <0.010 1.23 0.140 ACMW-18 03/20/2019 Diamond Valley Ranch 0.035 0.023 <0.020 1.24 <0.010 1.30 <0.10 ACMW-19 03/20/2019 Diamond Valley Ranch 0.092 0.078 0.045 0.157 <0.010 <0.010 0.157 ACMW-20 01/23/2019 Diamond Valley Rd- 0.059 0.057 <0.020 3.42 <0.010 3.11 0.31 Paynesville ACMW-21 03/07/2019 River Ranch Rd 0.062 0.059 <0.020 4.11 <0.010 3.88. 0.230 ACMW-22 03/07/2019 Fredericksburg Ln 0.014 0.017 <0.020 2.63 <0.010 2.50 0.130 ACMW-23 03/20/2019 Scott Brooke's Ranch by 0.030 0.026 <0.020 0.923 <0.010 0.881 <0.100 Irrigation Ditch ACMW-25 03/07/2019 Access road between 0.035 0.035 <0.020 7.00 <0.010 8.16 <0.07 Neddenriep&Brooke ranches ACMW-26 03/07/2019 Access road between 0.075 0.069 <0.020 1.97 <0.020 1.43 0.540 Neddenriep&Brooke ranches CONTROL 01/08/2019 East side near Post Office <0.010 4.74 GW-05 01/31/2019 Neddenriep 0.032 0.031 <0.020 4.84 <0.010 4.62 0.220 GW-08 01/31/2019 Arant Ranch house 0.040 0.035 <0.020 7.92 <0.010 7.91 <0.050 GW-11 01/23/2019 Diamond Valley School 0.043 0.042 <0.020 0.566 <0.010 0.498 0.068 GW-17 01/23/2019 Diamond Valley Ranch House 0.013 <0.020 0.102 0.205 <0.020 <0.020 0.205 Well HPR 01/03/2019 Harvey Place Reservoir 3.22 2.90 29.3 30.3 0.523 0.778 29.0 02/07/2019 Harvey Place Reservoir 2.81 2.70 29.0 30.4 0.412 0.980 29.0 03/04/2019 Harvey Place Reservoir 2.22 1.99 21.7 24.2 0.321 0.855 23.0 HVC-1 01/22/2019 HVC @ Pioneer Trail <0.020 0.209 <0.010 0.094 0.115 03/13/2019 HVC @ Pioneer Trail <0.020 0.131 <0.010 0.044 <0.100 HVC-2 01/22/2019 HVC 250'Upstream Pond#2 <0.020 0.271 <0.010 0.021 0.250 02/20/2019 HVC 250'Upstream Pond#2 0.028 0.496 <0.010 0.038 0.458 03/13/2019 HVC 250'Upstream Pond#2 <0.020 0.173 <0.010 0.013 0.160 HVC-3 03/13/2019 HVC 25'Downstream of <0.020 0.175 <0.010 0.014 0.161 Meadow Crest MW01_5 01/08/2019 SW corner of ERB <0.010 0.403 Results resported as mg/L except EC as uS/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 MW02-50 01/08/2019 South side of ERB Pond <0.010 2.82 MW03-50 01/08/2019 Southwest corner of ERB Pond <0.010 0.581 MW04-50 01/08/2019 Hank Monk side of ERB <0.020 0.079 MW07-50 01/08/2019 North side of ERB Pond <0.010 0.432 MW08-25 01/14/2019 South of Pond 1 <0.010 0.027 MW11 01/14/2019 North of Biosolids building <0.010 0.047 MW12 01/14/2019 South of Biosolids Building <0.010 1.65 MW13 01/14/2019 South of Pond 2 along HVC <0.010 2.22 SW-01 01/03/2019 Carson River Woodfords 0.014 0.016 <0.020 0.079 <0.010 0.017 0.062 02/07/2019 Carson River Woodfords 0.013 0.136 <0.020 0.136 <0.010 0.027 0.109 03/04/2019 Carson River Woodfords 0.019 <0.010 <0.020 0.120 <0.010 0.013 0.107 SW-02 03/04/2019 Indian Creek Upper 0.035 0.017 <0.020 0.168 <0.010 <0.010 0.168 SW-03 03/04/2019 Indian Creek Mid 0.051 0.019 <0.020 0.242 <0.010 0.072 0.170 SW-04 03/04/2019 Indian Creek Lower 0.078 0.020 <0.020 0.434 <0.010 0.180 0.254 SW-05 01/03/2019 Carson River Paynesville 0.016 0.013 <0.020 0.141 <0.010 0.046 0.095 02/07/2019 Carson River Paynesville 0.017 0.015 <0.020 0.207 <0.010 0.060 0.147 03/04/2019 Carson River Paynesville 0.022 <0.010 <0.020 0.146 <0.010 0.029 0.117 SW-06 01/03/2019 Carson River Stateline 0.010 0.010 <0.020 0.173 0.013 0.095 0.065 02/07/2019 Carson River Stateline 0.013 0.012 <0.020 0.231 <0.010 0.071 0.160 03/04/2019 Carson River Stateline 0.019 <0.010 <0.020 0.151 <0.010 0.030 ,0.121 SW-08 03/04/2019 Irrigation Ditch 0.098 0.040 <0.020 1.07 <0.010 <0.010 1.07 c 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 01/03/2019 Harvey Place Reservoir 5.73 20.1 4.74 54.4 13.0 2.83 57.8 02/07/2019 Harvey Place Reservoir 5.95 19.4 4.57 51.3 12.2 2.72 57.4 03/04/2019 Harvey Place Reservoir 4.99 16.9 3.94 42.9 9.90 2.44 56!8 i �l J I Results resported as mg/L except EC as uS/cm Turbidity as NTU Colifoms as MPN/100mL Temp as C NC=Not counted Page 5 of 8 Alpine County Summary Report Total E.Coli Coliform Chromo Chromo / 1002 02/07/2019 Diamond Valley School Absent ;Absent ACMW-01AW 01/15/2019 Main Dam 1.0 <1 ACMW-01BE 01/15/2019 Secondary Dam <1 <1 ACMW-02N 01/15/2019 Access Gate <1 <1 ACMW-02S 01/15/2019 Access Gate <1 <1 ACMW-04W 01/15/2019 Gansberg 13.4 <1 ACMW-06S 01/15/2019 Celio <1 <1 ACMW-08N 01/23/2019 Diamond Valley Ranch 13.5 <1 ACMW-09D 01/31/2019 Diamond Valley Ranch 21.8 <1 ACMW-10 01/31/2019 Diamond Valley Ranch <1 <1 ACMW-11 01/31/2019 Diamond Valley Ranch <1 <1 ACMW-12 01/23/2019 Diamond Valley Ranch <1 <1 ACMW-13 01/23/2019 Diamond Valley Ranch <1 <1 ACMW-14 01/31/2019 Diamond Valley Ranch 1.0 1.0 ACMW-15 03/07/2019 Diamond Valley Ranch <1 <1 ACMW-16 03/07/2019 Diamond Valley Ranch 3.1 <1 ACMW-17 03/07/2019 Diamond Valley Ranch 2.0 <1 ACMW-18 03/20/2019 Diamond Valley Ranch 1.0 <1 ACMW-19 03/20/2019 Diamond Valley Ranch 4.1 <1 ACMW-20 01/23/2019 Diamond Valley Rd- <1 <1 Paynesville ACMW-21 03/07/2019 River Ranch Rd <1 <1 ACMW-22 03/07/2019 Fredericksburg Ln <1 <1 ACMW-23 03/20/2019 Scott Brooke's Ranch by <1 <1 Irrigation Ditch ACMW-25 03/07/2019 Access road between 2.0 <1 Neddenriep&Brooke ranches ACMW-26 03/07/2019 Access road between 112.6 2.0 Neddenriep&Brooke ranches GW-05 01/31/2019 Neddenriep <1 <1 GW-08 01/31/2019 Arant Ranch house <1 <1 GW-11 01/23/2019 Diamond Valley School <1 <1 GW-17 01/23/2019 Diamond Valley Ranch House <1 <1 Well HPR 01/03/2019 Harvey Place Reservoir 22.8 <1 02/07/2019 Harvey Place Reservoir 47.2 <1 03/04/2019 Harvey Place Reservoir 16.0 <1 SW-01 01/03/2019 Carson River Woodfords 40.4 <1 02/07/2019 Carson River Woodfords 46.2 <1 03/04/2019 Carson River Woodfords 83.9 6.3 Results resported as mg/L except EC as uS/cm Turbidity as NTU Colifoms as MPN/100mL Temp as C NC=Not counted Page 6 Of 8 Alpine County Summary Report Total E.Coli Coliform Chromo Chromo SW-02 03/04/2019 Indian Creek Upper 73.8 <1 SW-03 03/04/2019 Indian Creek Mid 78.9 4.1 SW-04 03/04/2019 Indian Creek Lower 228 4.1 SW-05 01/03/2019 Carson River Paynesville 62.4 4.1 02/07/2019 Carson River Paynesville 59.1 2.0 03/04/2019 Carson River Paynesville 60.1 2.0 SW-06 01/03/2019 Carson River Stateline 248 38.9 02/07/2019 Carson River Stateline 108 31.4 03/04/2019 Carson River Stateline 67.0 1.0 SW-08 03/04/2019 Irrigation Ditch 236 10.8 r Results resported as mg/L except EC as uS/cm Turbidity as NTU Colifoms as MPN/100mL Temp as C 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 01/03/2019 Harvey Place Reservoir 1 NC NC NC NC NC 6 02/07/2019 Harvey Place Reservoir 1 NC NC NC NC NC 18 03/04/2019 Harvey Place Reservoir 5 NC NC NC NC NC 258 I 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-01 AW Main Dam 01/15/2019 10:45 AG64923 6.89 5493.13 5,486.24 ACMW-01 BE Secondary Dam 01/15/2019 10:22 AG64924 10.53 5503.55 5,493.02 ACMW-02N Access Gate 01/15/2019 11:12 AG64925 8.72 5469.70 5,460.98 ACMW-02S Access Gate 01/15/2019 11:24 AG64926 10.50 5471.60 5,461.10 ACMW-04W Gansberg 01/15/2019 12:32 AG64927 20.91 4919.89 4,898.98 ACMW-06S Celio 01/15/2019 12:06 AG64928 14.71 5223.50 5,208.79 ACMW-08N Diamond Valley Ranch 01/23/2019 13:06 AG65017 3.88 5464.45 5,460.57 ACMW-09D Diamond Valley Ranch 01/31/2019 09:49 AG65161 33.97 5510.56 5,476.59 ACMW-10 Diamond Valley Ranch 01/31/2019 10:21 AG65162 29.51 5534.19 5,504.68 ACMW-11 Diamond Valley Ranch 01/31/2019 10:52 AG65163 18.64 5503.01 5,484.37 ACMW-12 Diamond Valley Ranch 01/23/2019 12:15 AG65018 32.72 5525.04 5,492.32 ACMW-13 Diamond Valley Ranch 01/23/2019 11:33 AG65019 9.76 5554.55 5,544.79 ACMW-14' Diamond Valley Ranch 01/31/2019 11:32 AG65164 15.78 5547.20 5,531.42 ACMW-15 Diamond Valley Ranch 03/07/2019 11:21 AG65555 11.73 5500.60 5,488.87 ACMW-16 Diamond Valley Ranch 03/07/2019 10:48 _ AG65556 4.50 5484.53 51480.03 ACMW-17 Diamond Valley Ranch 03/07/2019 10:10 AG65557 8.70 5504.92 5,496.22 ACMW-18 Diamond Valley Ranch 03/20/2019 10:56 AG65729. 7.20 5470.56 5,463.36 ACMW-19 Diamond Valley Ranch 03/20/2019 10:26 AG65730 7.00 5417.25 5,410.25 ACMW-20 Diamond Valley Rd-Paynesville 01/23/2019 13:39 AG65020 13.92 5090.30 5,076.38 ACMW-21 River Ranch Rd 03/07/2019 12:31 AG65560 17.30 5011.33 4,994.03 ACMW-22 Fredericksburg Ln 03/07/2019 14:06 AG65561 29.62 5019.28 4,989.66 ACMW-23 Scott Brooke's Ranch by Irrigation 03/20/2019 11:57 AG65727 17.29 4978.35 4,961.06 Ditch ACMW-25 Access road between Neddenriep& 03/07/2019 13:33 AG65562 6.47 4942.24 4,935.77 Brooke ranches ACMW-26 Access road between Neddenriep& 03/07/2019 13:09 AG65563 8.63 4895.60 4,886.97 Brooke ranches CONTROL East side near Post Office 01/08/2019 12:24 AG64815 62.80 6345.20 6,282.40 MW01_5 SW corner of ERB 01/08/2019 14:11 AG64816 59.10 6328.00 6,268.90 MW02-50 South side of ERB Pond 01/08/2019 15:10 AG64817 46.00 6314.60 6,268.60 MW03-50 Southwest corner of ERB Pond 01/08/2019 15:27 AG64818 41.50 6310.10 6,268.60 MW04-50 Hank Monk side of ERB 01/08/2019 15:50 AG64819 34.43 6304.40 6,269.97 MW07-50 North side of ERB Pond 01/08/2019 14:45 AG64820 22.91 6302.20 6,279.29 MW08-25 South of Pond 1 01/14/2019 15:03 AG64904 12.00 6258.30 6,246.30 MW11 North of Biosolids building 01/14/2019 16:27 AG64905 28.14 6296.00 6,267.86 MW12 South of Biosolids Building 01/14/2019 16:09 AG64906 24.33 6288.80 6,264.47 MW13 South of Pond 2 along HVC 01/14/2019 15:28 AG64907 7.00 6263.40 6,256.40 Alpine County Soils pH EC %Sat TKN NO3-N Total P Exch P SO4 CI S2A Celio Ranch 01/16/2019 7.95 10.4 75.4 5550 8.50 648 15.2 350 3180 SM Bently Ranch 01/16/2019 6.01 0.599 40.3 2380 6.60 477 8.83 28 250 S4A Gansberg Ranch 01/16/2019 6.42 0.605 36.3 1780 5.11 987 6.72 29 325 S5A Gansberg Ranch 01/16/2019 6.04 0.603 32.2 1710 8.60 373 4.10 24 225 S6A Neddenriep Ranch 01/16/2019 6.94 0.690 37.7 2670 14.2 308 31.0 26 550 SM Bruns Ranch 01/16/2019 5.75 0.416 41.5 2450 10.9 557 12.7 28 150 CEC Cu MO K Ca Mg Na SAR %Na S2A Celio Ranch 01/16/2019 35.8 29.9 0.08 3160 241 277 1170 12.2 14.1 SM Bently Ranch 01/16/2019 I 20.6 16.7 0.05 1090 25.9 11.5 42.8 1.76 1.27 S4A Gansberg Ranch 01/16/2019 17.8 18.6 0.04 1660 21.6 8.20 53.8 2.50 2.31 S5A Gansberg Ranch 01/16/2019 14.0 21.4 0.04 1720 34.5 7.17 51.2 2.07 1.71 S6A Neddenriep Ranch 01/16/2019 15.6 19.5 0.07 4310 34.5 8.40 52.5 2.08 1.72 SM Bruns Ranch 01/16/2019 13.7 30.7 0.05 3500 43.1 7.48 14.4 0.530 <1 Page 1 of 1 Sample Comments, Site Date Time Comments ACMW-24 03/20/2019 00:00 No access due to trees in road HVC-1 02/20/2019 11:21 Frozen. SK HVC-3 02/20/2019 11:34 Frozen. SK HVC-5 02/13/2019 07:01 Frozen on top. No Flow. HVC-5 02/13/2019 13:36 Frozen on top. No Flow.Pictures taken. HVC-5. 02/20/2019 11:39 Shoveled site, frozen. SK S2A 01/16/2019 11:20 samples collected after recent winter storms; soil was saturated with water SM 01/16/2019 11:46 samples'collected after recent winter storms; soil was saturated with water S4A 01/16/2019 12:26 samples collected after recent winter storms; soil was saturated with water S5A 01/16/2019 -12:36 samples collected after recent winter storms; soil was saturated with water S6A 01/16/2019 12:14 samples collected after recent winter storms; soil was saturated with water SM 01/16/2019 12:05 samples collected after recent winter storms; soil was saturated with water 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT Date:—01/z/l(4 EMERGENCY POND MW FIELD MONITORING RECORD Samplers: 16 V, Purpose: Ni CD C Preservative Std Check Depth to Well Water Calc Actual Well Casing Depth to Column Water to Water 0 Temp , EC Bottom Diameter GW Height Purge Purged 0 Cn 0 < 0 Site 1D# C EC COMMENTS > Time � pH pS/cm ft inch ft ft Gallons,Gallons. Z pH 110� it CONTROL 0, 80.90 2 A 6 �; 1 MW1 .5 65.80 2 .52 . A G 611�J, zki D V A5 - MW02-50 50.90 2 4 TZ G 3 0 MW03 50 16 6' �-7 J. V Z tj 50.80 2 1 0 `7q1j til j MW04-50 51.00 2 MW07 50 V c6s - L 52.60 2 MW05-25 20.60 2 MW11 41.0 .2 MW12 31.50 2 MW13 14.40 2 Trip Blank Groundwater samples shall be collected only after 2:1 well volumes Gallons to flush=1 x 7.48 x 3.14 x 0.083 2 X Water column height IpH 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±0.05.EC Std Check have stabilized to approximately±5%for each successive Water column height=depth of-well-water level uses a 200 pS/cm standard measurement taken in intervals 2:5 minutes. for 50'well whose water level is 35 feet from ground level: Water column height=50'-35'=15' File:DALab\Forms\Field SheetsTield ERB.doc 1 CY1 4;2015 Flushing Record Date: She :i a .. .. . . .............. .... . ........m fl OPV 9� M k � K04 �`,,�: r P jply 4- lit e, u'y� v 4•FIB � � � �r `- �j �i 9 �► 7 L 1 ,. Qt Note:Temp,pH,EC must stabilize±5%for successive measurements taken in intervals>5 minutes. ):1Lab\Forms\Field Sheets\Monitor Well_Flushing_Record.doc SOUTH TAHOE PUBLIC UTILITY DISTRICT Date:-- ' — EMERGENCY POND MW FIELD MONITORING RECORD Samplers: i5 f/, � .:� Purpose: l Preservative Std Check Depth to Well Water Calc Actual Well Casing Depth to Column Water to Water co Temp EC Bottom Diameter GW Height Purge Purged. c) 0 Oz ¢O Site 1D# Time °C pH pS/cm ft inch ft ft Gallons Gallons 0 _ _ > pH EC COMMENTS; CONTROL 80.90 2 MW1 .5 65.80 2 MW02-50 50.90 2 MW03-50 50.80 2 MW04-50 51.00 2 MW07-50 52.60 2 MWOB-25 3 �y � . .d 20.60 2 �JJI � 6t d d MW1 1 � y 41.0 2A 6 x� F �,? fi tag' �� j/� 6 3 a �' pe 94 T 5... 9 U I S, MW12 a 31.50 2 MW13 14.40 2 Trip Blank Groundwater samples shall be collected only after:-:.1 well volumes Gallons to flush=1 x 7.48 x 3.14 x 0.083z 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±0.05.EC Std Check have stabilized to approximately±5%for each successive Water column height=depth of well-water level uses a 200 pS/cm standard measurement taken in intervals 2!5 minutes. for 50'well whose water level is 35 feet from ground level: Water column height=50'-35'=15' File:DALab\Forms\Field SheetsTield ERB.doc 10/14/2015 Flushing Record Date: k k ......'... .....:.. ..... ,ti]�y .�•/.�{[{ .....�y`...:::.:ter:...y ¢+.;r•Ev vs�• � 4� � �Sa �� .y» ` i@ r J` �.,.!*r ��,:, �® 6,1q..r TM I 4m z .�• e �' •}� � ��`� `� � Ri ygpr • r. { c" b _, n pp s` i e Note:Temp,pH,EC must stabilize t 5%for successive measurements taken in intervals>_5 minutes. ):1Lab\Forms\Fieid Sheets\Monitor Well_Flushing_Record.doc f' SOUTH TAHOE PUBLIC UTILITY DISTRICT Date: ACMW FIELD MONITORING RECORD Samplers: ( . R Purpose: 7 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 ' H2Spa o a Site �D# Time ft °C H S/cm ft inch ft Gallons Gallons pH= _ 0 1 1 pH I EC I COMMENTS ACMW 01 Aw � . �,y�� µ>,``"G' _. � 1 ate' •} - j ACMW-01 BE 23.8 2 ACMW-02N fie �.- N - t 34.1 2 ACMW-02Sf,� , MW- A C 04W 29.0 2 01 ACMW-06S ti 29.9 , 2 Trip Blank ,- Mid ofn hen samples red Lab .. - - . - . - - - `ITt - _ - - - Groundwater samples shall be collected only after a well volumes Gallons to flush=1 x 7.48 x 3.14 x 0.083 x water column height pH Std Check uses a 7.00 buffer.pH meter must be r�- 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±0.05.EC Std Check have stabilized to approximately±5%for each successive Water column height=depth of well-water level uses a 200 PS/cm standard measurement taken in intervals>_5 minutes. for 50'well whose water level is 35 feet from ground level: Water column height=50'-35'=15' DALab\Forms\Field Sheets\Field ACMW.doc 1/22/2016 � � � °� Flushing Record Date: j Rons.,,, 0 5, S. I A-1 "-3 p pt( AW Ak AM % A IVSI! G A It-A t ,� • A A . o' 13 Note:Temp,pH,EC must stabilize t 5%for successive measurements taken in intervals>5 minutes. DALabWormsTield SheetskMonitor—Well—Flushing_Record.doc Group 2 SOUTH TAHOE PUBLIC UTILITY( DISTRICT Date: E -c ACMW FIELD MONITORING RECORD Samplers: yvv�' Purpose: 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 o H2SO4 °z o Site 1® Time ft C H S/cm ft Inch ft ft Gallons H= = H EC COMMENTS 6.x, `_ _; ,� ACMW-21 30.0 2 (z:� 6 On River Ranch Rd,East side of H 88 lip? A G r�6 5`5 ACMW-22 59.5 2 � 6, On Fredericksburg Lane,near S7 AG V ACMW-23 50.0 2 Upstream of SW-15 ' i'k ��' ' ACMW-24 50.0 2 V,- Downstream of SW-15' G 6 5 5 9 �` �a • �a Behind Neddenriep's on Westside Lane; ACMW-25dirt rd between Hwy 88 and Carson River lv- ACMW-26 ?116 30.0 2 On Westside Lane @ Stateline ""6 28 Trip Blank (f�5 3 2 0 3- C ndaeratura of Control ' 4. i� � T> - r z , - CT '+YF� < rC whenreceived - - _ - -e s - am les _ :� - -�F�r ••:� 41 3"Zi "..i_L at a .+-_.- -t.� .. ....•:->,,r.-.. ,_, . ,K _ , _�. .... ,-.... ....--». _ , ................,�.,.._.•.,..,-... � ,-.....,..�.._.... .._- -, ....,.;x..;-..,..' ::.. ,...�.::;,�-..;..:.,•x,.._:_r..,a�.<..-a:.-.,.:';rw:_'c...:_. a..-.�.:—.,.r=:>rt:'H-c..;...e--.�:,"-:.-::�-.t:r.:,..:.E..';._ _.,,:;r:::_,.: Gallons to flush= 1 x 7.48 x 3.14 x 0.083 2 x water column height pH Std Check uses a 7.00 buffer.pH meter must be re- Groundwater samples shall be collected only after>_1 well volumes Gallons to flush=0.17 x water column height(ft) standardized if result exceeds 7.00±0.05.EC Std Check rave 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>_5 minutes. Water column height=50'-35'=15' r: PALAB\D_DRIVE\Lab\Forms\Field Sheets\Field ACMW-20_to_26.doc 9/20/2017 Flushinv Record Date: Q zw " b. e m lFlllnu s.:......Ga . . :,� to.. ....: .t.. ..s. .... ,.. o + Sam ome:nts iiVell Ti.rrte Flushed Flushed ra OIN 41 19, ,3 ReVA,4- 2-3 /,K-�I n Note:Temp,pH,EC must stabilize±5%for successive measurements taken in intervals>5 minutes. )ALab\FormsTield Sheets\Monitor_Well_Flushing_Record_doc Group 4 SOUTH TAHOE' PUBLIC UTILITY DISTRICT. Date: it ACMW FIELD MONITORING RECORD. Samplers.k6o Purpose: j Ai 41 AIL-kt _ 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 c) �' H2SO4 o Q Site. ID# Time ft °C H pS/cm ft Inch ft Gallons Gallons ) pH= _ H EC COMMENTS i . r ACMW-0 D -� .r � p . €,�� vf , r 9 i � r .T ( 45.1 2r,i �� U A - CMW 10 AG651 38.5 2 ACMW-1 1 „_f�,rts 1 �� 102,C�.�,� 33.5 2 ACMW-14 A G 6 5- 'S 1+2Z 2-A-2- 30.0 2 : AG651 GW-05 G 65-j 16 Lj zaflf GW-08 Trip Blank V is Control A665) .. Temperature of - - _ z Z. W ' — T hensam samples received ed - _ h - S n 'a t 4s — r: _ -4 " 4 at Lab a =; Minimum gallons to flush=1 x 7.48 x 3.14 x 0.083 2 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±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>_5 minutes. Water column height=50'-35'=15' DAD_DRIVElafformsTield Sheets\Field ACMW-Group_4.doc 1/22/2016 Flushing Record Date:77777777 .:. ..:.:.. 7 . ........,:.: :...:. .ern ti11 u ... . . ... . .... w t , n e , me F us 7.. : .:lu �d sh 77F77. _.5 ./o... . Sarn r... p. omm t eont 1"3 g 00 7 fi.> a M- �� U - 103-1 . � o, TO r Y 1 Note:Temp,pH,EC must stabilize t 5%for successive measurements taken in intervals>5 minutes. _ablFormsTield Sheets\Monitor Well_Flushing_Record.doc Group 3 SOUTH TAHOS PUBLIC UTILITY DISTRICT Date: ACMW FIELD MONITORING RECORD Samplers: ` sct°e Purpose: Preservative Std Check Depth to -Well Water Calc Actual Depth Well Casing Column Water to Water aD M to GW Temp EC Bottom Diameter Height Purge Purged U M H2SO4 o d Site 1D# Time ft °C H S/cm ft Inch ft Gallons Gallons H= _ > H EC COMMENTS f - �` . o 4 ACMW-08N � 70.1 2 � AtkA d �� A G 65'%) apf z1 �+Jq !•.,, q !/,'[f�'� 6 q e7 I ACMW-12 �� 73.5 2 *1 ��=�r{� to-+Ct-'k AGO �S.) ACMW-1 �i� � ��e �. 20.0 2 ACMV1120 � 21.5 2 �15� tiZ _OR A G65 0 IM GWA 1 GW-17 A G 65% 0't-1 v . 111),r%.T AG650", Trip Blank t '.�'- �Lt t " .�•. wry ....t:.a , ... i �,° ... .. c,...:., t ti..�..F.• .L...:,..I !::•mot u,?.`:r amK Y>< •'>.'a Y ":yi*:;`,.r'ir=t' r I �. 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Water column height=50'-35'=15' DALabTormsTield SheetsTield ACMW-Group_3.doc 9/20/2017 Flushinc-i Record Date: : t .- liilr�u es...,..:. .,G.a�lons =p 'Ttm us, e + Q o its LJ l: w - t � 1 ,J Aar .a . UA 58'z--� S.9-1, J I } Note:Temp,pH,EC must stabilize±5%for successive measurements taken in intervals_>5 minutes. YkLablFormslField SheetstMonitor Well_Flushing_Record.doc Group 5 SOUTH TA•H0h NUt UL; U I ILI I Y UI5 I tKI(.r I uate: ACMW FIELD MONITORING RECORD Samplers: L-ael 1.,4,,n Purpose-: 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 v H2SO4 0 Site Time ft °C H S/cm ft Inch ft Gallons Gallons H= _ H EC COMMENTS 6b ACMW-15006 5 �A� 29.5 2A, 6 2;? 1 +i.., ACMW-16OA 29.0 2 7 6 �,.,,`..•fly; 6 t9 e P J ! 1� ACMW-17 30.0 2 2 ACMW-18 28.0 2 � o ,Il. ACMW 1.9 �: : . .20.0 2 Trip Blank D :-�': v:�:•:.`w-v�•:tt4;r „f iFIIF`t';:1�.1'i5". .1:-.� ^-'f..,y„^`r�'^"i'iUt it •.,`tu, .K, `M _C Initial ,....�,N� :� _ Kra;� x:�ti:r .>;�r,�':�r• �.,�:,�p�. •,•-. Temperature �.7 ^t �-1;u•}`F'-."i X��,.�t r,r."w 4_`'rt\.Ca. -:' V>r Mi«��:'`. wifZe:''.'-�.f.^.a...Y-n•r�..� 1 '�t.l:Ft+�a te.a.....,�.g��'.t-:�.-::n Tr:•'-44: t P ,�,�,.`_7�tC' .�'t:„:,s7 _y.r4•_ B-, , - ",F#v. �. A ._ Ya 3 k a r, n ��-��,.¢+.",��•_�:': ��•.'-r•'yI'Y.`ive(��•M' �_�..,7,"a�/.n .t• 'ainr 4 4 hensamplesreceiv i a. ..fit ... _ F'.`t;4�.1a'� ,d- � L .'^t� �'Y "�.•'. 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Water column height=50'-35'=15' n-u nh%PnrmclGin1r4 Choc4clGiclA A(AA%A1_(',rnt in r,rinr- Flushing Record Date: _ 1 ...::.:....: : . . . ... a olnl II U : . ..:....:.. �F n . ..:. . :.... .. ... _. o . .. Sam. to r;. om�Me . ..::....:.... bus a C'13 L,7 -,�i µ� +o Note:Temp,pH,EC must stabilize±5%for successive measurements taken in intervals>_5 minutes. ):\Lab\Forms\Field Sheets\Monitor Well Flushina Record.doc