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Reclamation Permit Monitoring Report 2017 3rd Quarter �e�ec . 1950 • Water South Public Utility District 1275 Meadow Crest Drive•South Lake Tahoe•CA 96150-7401 Phone 530 544-6474•Fax 530 541-0614•www.stpud.us October 25, 2017 Patty Kouyoumdjian California Regional Water Quality Control Board - Lahontan Region 2501 Lake Tahoe Boulevard South Lake Tahoe, CA 96150 RB6-Lahontan a(�waterboards.ca.gov Subject: Reclamation Permit Monitoring Report, 3rd Quarter 2017 Dear Ms. Kouyoumdjian, Enclosed is the South Tahoe Public Utility District's 2017 3rd quarter self-monitoring report for July through September, 2017. 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) A total of 4.72 MG of wastewater was pumped to the ERB during this quarter. This was done for construction at the Luther Pass Pump Station and the Diamond Valley Ranch irrigation system. There was no wastewater remaining in the ERB on September 30, 2017. The ERB was inspected on September 12, 2017; the report is attached. Export Pipeline The District's Final effluent export pipeline route was not inspected this quarter. 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, �c2OFESS,0 s :: ., i y1 C 82309 7' S j, L'� f .....,y Shannon Cotulla Assistant General Manager/ Engineer scotulla(o�stpud.dst.ca.us 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. 2 Export Pipeline Inspection Report: 0 Sample site locations 2 Map of Alpine County sample sites 2 Harvey Place Reservoir recycled water storage 2 Harvey Place Reservoir Trihalomethanes test results 0 Alpine County and Tahoe Basin Surface waters, Groundwaters, and HPR 8 Blue Green Algae results 1 Alpine County and Tahoe Basin groundwater elevations 1 Alpine County soils 1 Sample Comments 1 Tahoe Basin ERB Monitoring Wells Purge Records 2 Alpine County Monitoring Wells Purge Records 10 Photos of Irrigation ditch flows 0 Total pages 40 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: 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 — Jeff Lee STPUD Operations Chief Plant Operator— Chris Siano STPUD Laboratory Director- Terry Powers File: D:\Lahontan\Reports\2017 3rd Quarter Report.doc • Operational Problems and Major Maintenance Activities July— September 2017 Wastewater Treatment Facilities • Construction continued on the rehabilitation projects for Primary Clarifier#1 and Aeration Basin #2. Both projects are approaching completion. • At the Luther Pass export pump station, final construction and testing continued on the motor replacement and controls upgrade project. In addition, the District is rebuilding the 1000 H.P. Pump #3. Wastewater Conveyance System- • Sewer Pump Stations o Install electric pumps at vvs-4 to finish conversion from vacuum to electric. o Tie in new discharge lines from ws-4 to vvs-5 wet well. o - Install rebuilt pump #3 at LPPS o Replace vacuum pump #1 at FLL o Core holes, run conduit, replace manhole lid, pour pad for electric panel and set at ws-3. o Pull pump #3 at LPPS after wear ring failure. o Work on pressure sustaining valve on C line for spray rigs. o Install new/rebuilt pump #3 at LPPS. • Collection System o Contracted with Pro-Pipe, to line 270' of existing 14" main from TK11 to TK 1. They also lined 100' of 24" existing main from TK 2 to TK 1. This is a fiberglass type liner known as CIPP(cured in place pipe) and is cured with hot water. Alpine County Disposal Facilities • Thomas Haen Company continues to work on the District's Diamond Valley Ranch Irrigation Improvements Project, Phase 1. Page 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT 8/14/2017 WASTEWATER TREATMENT PLANT MONTHLY REPORT 8:06 AM July 2017 < 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 7/1/2017 Sat 4.94 6.2 5.18 239 10.4 209 6.6 7/2/2017 Sun 5.34 7.1 5.56 7/3/2017 Mon 5.39 7.3 5.57 243 9.0 216 4.9 7/4/2017 Tue 5.15 7.3 5.45 7/5/2017 Wed 4.67 6.6 5.02 228 6.1 196 3.6 7/6/2017 Thu 4.42 5.8 5.64 0.25 Rain 7/7/2017 Fri _ 4.50 5.8 4.91 7/8/2017 Sat 4.66 8.2 4.90 220 6.8 178 3.9 7/9/2017 Sun 4.46 6.6 4.70 7/10/2017 Mon 4.19 5.6 4.41 7/11/2017 Tue 4.12 5.3 4.43 7/12/2017 Wed 4.11 7.7 4.20 216 10.3 179 4.9 7/13/2017 Thu 4.21 5.4 4.77 7/14/2017 Fri 4.40 5.7 4.62 7/15/2017 Sat 4.63 6.3 4.66 252 7.0 234 4.2 7/16/2017 Sun 4.44 6.5 , 4.64 7/17/2017 Mon 4.09 5.5 4.24 • 7/18/2017 Tue 4.03 5.0 4.25 7/19/2017 Wed 4.01 5.3 4.35 252 7.0 256 3.6 7/20/2017 Thu 4.05 5.2 4.42 7/21/2017 Fri 4.21 5.5 4.50 7/22/2017 Sat 4.61 6.1 4.70 248 12.1 196 6.8 7/23/2017 Sun 4.45 6.2 4.43 7/24/2017 Mon 4.20 5.6 4.64 7/25/2017 Tue 4.12 5.1 4.28 7/26/2017 Wed 4.18 5.5 4.57 230 15.6 177 5.3 7/27/2017 Thu 4.16 5.5 4.53 7/28/2017 Fri 4.42 5.7 4.57 7/29/2017 Sat 4.66 6.4 4.56 0.03 Rain NV NV 214 4.3 7/30/2017 Sun 4.45 6.4 4.49 7/31/2017 Mon 4.10 5.5 4.62 244 8.1 207 3.1 Permit Max 7.7 45 60 Permit Min Permit Ave 30 30 Total 137.37 187.9 145.81 0.00 0.00 0.28 2372 92.4 2262 51.3 Maximum 5.39 8.2 5.64 0.00 0.00 0.25 252 15.6 256 6.8 Minimum 4.01 5.0 4.20 0.00 0.00 0.03 216 6.1 177 3.1 Average 4.43 6.1 4.70 0.14 237 9.2 206 4.7 #Tests 31 31 31 0 0 2 10 10 11 11 Page 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT 8/14/2017 WASTEWATER TREATMENT PLANT MONTHLY REPORT 8:06 AM July 2017 pH Chlorine <Final Total Coliforms> Total Nitrogen TDS Units mg/L MPN/100 mL mg/L mg/L Date Day Raw Final Final Total may-Median Raw Final Raw Final 7/1/2017 Sat 7.37 7.86 5.7 < 1 < 1 7/2/2017 Sun 7.40 7.86 4.6 < 1 < 1 7/3/2017 Mon 7.35 7.78 7.1 2 < 1 274 276 7/4/2017 Tue 7.38 7.74 4.8 < 1 < 1 48.2 41.1 7/5/2017 Wed 7.45 7.78 5.0 < 1 < 1 284 282 7/6/2017 Thu 7.46 " 7.74 5.0 < 1 < 1 7/7/2017 Fri 7.47 7.77 4.2 < 1 < 1 7/8/2017 Sat 7.31 7.80 5.6 1 < 1 7/9/2017 Sun 7.42 7.87 5.8 < 1 < 1 7/10/2017 Mon 7.38 5.5 < 1 < 1 7/11/2017 Tue 7.40 7.80 6.9 < 1 < 1 42.7 36.2 7/12/2017 Wed 7.45 7.88 4.6 < 1 < 1 7/13/2017 Thu 7.31 7.84 5.6 < 1 < 1 7/14/2017 Fri 7.41 7.77 6.4 < 1 < 1 7/15/2017 Sat 7.31 7.83 5.3 < 1 < 1 7/16/2017 Sun 7.28 7.70 4.8 < 1 < 1 7/17/2017 Mon 7.39 7.90 6.2 < 1 < 1 42.8 36.6 7/18/2017 Tue 7.47 7.94 5.6 < 1 < 1 7/19/2017 Wed 7.34 7.84 5.5 < 1 < 1 7/20/2017 Thu 7.46 7.86 8.4 < 1 < 1 7/21/2017 Fri 7.30 7.71 6.8 < 1 < 1 7/22/2017 Sat 7.37 7.78 5.2 < 1 < 1 7/23/2017 Sun 7.31 7.78 6.4 1 < 1 7/24/2017 Mon 7.46 7.88 5.6 2 < 1 44.9 40.6 7/25/2017 Tue 7.44 7.98 8.0 < 1 < 1 7/26/2017 Wed 7.47 7.84 6.9 < 1 < 1 7/27/2017 Thu 7.43 7.90 5.2 < 1 < 1 7/28/2017 Fri 7.43 7.85 4.8 1 < 1 7/29/2017 Sat 7.44 7.85 4.5 2 1 7/30/2017 Sun 7.36 7.86 5.6 1 1 7/31/2017 Mon 7.40 8.00 4.6 1 1.0 43.8 42.2 288 296 Permit Max 9.00 23 Permit Min 6.50 Permit Ave Total 229.22 234.99 176.2 34 31 222.4 196.7 846 854 Maximum 7.47 8.00 8.4 2 1 48.2 42.2 288 296 Minimum 7.28 7.70 4.2 1 1 42.7 36.2 274 276 Average 7.39 7.83 5.68 1.1 1.0 44.5 39.3 282 285 #Tests 31 30 31 31 31 5 5 3 3 Page 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT 9/7/2017 WASTEWATER TREATMENT PLANT MONTHLY REPORT 4.51 PM August 2017 < 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 8/1/2017 Tue 4.00 5.3 4.23 8/2/2017 Wed 3.96 5.1 4.64 8/3/2017 Thu 4.00 5.1 4.26 0.01 Rain 8/4/2017 Fri 4.30 5.6 4.49 8/5/2017 Sat 4.54 6.1 4.79 287 8.4 262 4.0 8/6/2017 Sun 4.52 6.5 4.76 0.60 Rain • 8/7/2017 Mon 4.09 5.5 4.54 8/8/2017 Tue 3.96 5.5 4.18 8/9/2017 Wed 4.01 5.6 4.60 208 6.9 168 4.2 8/10/2017 Thu 3.89 5.1 3.89 8/11/2017 Fri 4.12 5.1 4.35 8/12/2017 Sat 4.38 5.9 4.55 248 9.0 173 7.1 8/13/2017 Sun 4.14 6.1 4.35 8/14/2017 Mon 3.77 4.8 4.03 258 7.2 176 2.8 8/15/2017 Tue 3.64 4.9 4.05 8/16/2017 Wed 3.63 4.7 3.38 8/17/2017 Thu 3.64 4.8 4.44 8/18/2017 Fri 3.82 4.9 3.98 • 8/19/2017 Sat 4.18 5.7 4.28 233 8.8 214 3.4 8/20/2017 Sun 3.95 6.1 4.09 8/21/2017 Mon 3.50 4.7 3.73 0.01 Rain 212 4.8 180 2.1 8/22/2017 Tue 3.45 4.5 3.65 0.26 Rain 8/23/2017 Wed 3.38 4.4 3.89 8/24/2017 Thu 3.39 4.4 3.16 8/25/2017 Fri 3.59 4.5 4.16 8/26/2017 Sat 3.96 5.2 4.08 264 9.1 247 3.0 8/27/2017 Sun 3.75 5.4 3.89 8/28/2017 Mon 3.46 4.4 3.57 8/29/2017 Tue 3.27 4.3 3.47 8/30/2017 Wed 3.21 4.1 3.45 206 4.6 226 1.4 8/31/2017 Thu 3.23 4.1 3.71 Permit Max 7.7 45 60 Permit Min Permit Ave 30 30 Total 118.73 158.4 126.64 0.00 0.00 0.88 1916 58.8 1646 28.1 Maximum 4.54 6.5 4.79 0.00 0.00 0.60 287 9.1 262 7.1 Minimum 3.21 4.1 3.16 0.00 0.00 0.01 206 4.6 168 1.4 Average 3.83 5.1 4.09 0.22 240 7.3 206 3.5 #Tests 31 31 31 0 0 4 8 8 8 8 Page 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT 9/7/2017 WASTEWATER TREATMENT PLANT MONTHLY REPORT 5:11 PM August 2017 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 8/1/2017 Tue 7.40 7.83 6.2 < 1 1 8/2/2017 Wed 7.45 7.94 5.4 < 1 < 1 8/3/2017 Thu 7.47 7.85 6.4 < 1 < 1 8/4/2017 Fri 7.28 7.78 7.9 < 1 < 1 8/5/2017 Sat 7.39 7.86 6.2 < 1 < 1 8/6/2017 Sun 7.42 7.79 5.8 < 1 < 1 8/7/2017 Mon 7.26 7.88 5.4 1 < 1 47.2 39.2 8/8/2017 Tue 7.42 7.81 5.6 < 1 < 1 8/9/2017 Wed 7.50 7.90 5.3 < 1 < 1 250 262 8/10/2017 Thu 7.47 7.90 6.2 <,1 < 1 8/11/2017 Fri 7.42 7.91 6.1 1 ' < 1 8/12/2017 Sat 7.53 7.97 5.6 < 1 < 1 8/13/2017 Sun 7.39 7.82 5.7 < 1 < 1 8/14/2017 Mon 7.45 7.90 5.5 < 1 < 1 8/15/2017 Tue 7.43 7.94 5.9 < 1 < 1 41.9 38.0 8/16/2017 Wed 7.42 7.86 5.6 < 1 < 1 8/17/2017 Thu 7.45 7.92 6.2 < 1 < 1 8/18/2017 Fri 7.35 7.83 5.7 < 1 < 1 8/19/2017 Sat • 7.38 7.84 4.5 < 1 < 1 8/20/2017 Sun 7.45 7.90 5.1 < 1 < 1 8/21/2017 Mon 7.51 7.90 5.1 < 1 < 1 276 278 8/22/2017 Tue 7.54 7.86 5.4 1 < 1 41.4 35.2 8/23/2017 Wed 7.35 7.88 10.5 < 1 < 1 8/24/2017 Thu 7.52 7.78 4.8 < 1 < 1 8/25/2017 Fri 7.49 7.83 4.8 < 1 < 1 8/26/2017 Sat 7.45 7.88 4.8 < 1 < 1 8/27/2017 Sun 7.38 7.76 5.0 < 1 < 1 8/28/2017 Mon 7.44 7.80 5.1 < 1 < 1 8/29/2017 Tue NV 7.75 5.0 < 1 < 1 8/30/2017 Wed 7.47 7.83 9.6 < 1 < 1 235 267 8/31/2017 Thu 7.49 7.78 5.2 < 1 < 1 Permit Max 9.0023 Permit Min 6.50 Permit Ave Total 222.97 243.48 181.6 31 31 130.5 112.4 761 807 Maximum 7.54 7.97 10.5 1 1 47.2 39.2 276 278 Minimum 7.26 7.75 4.5 < 1 < 1 41.4 35.2 235 . 262 Average 7.43 7.85 5.86 1 1 43.5 37.5 254 269 #Tests 30 31 31 31 31 3 3 3 3 Page 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT 10/12/2017 WASTEWATER TREATMENT PLANT MONTHLY REPORT 9:44 AM September 2017 < 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 9/1/2017 Fri 3.58 4.5 3.83 9/2/2017 Sat 4.44 - 5.7 4.48- 276 9.9 268 2.7 9/3/2017 Sun 4.62 6.6 4.69 9/4/2017 Mon 4.05 6.3 4.29260 4.8 227 1.9 9/5/2017 Tue 3.47 4.6 3.53 0.09 Rain 9/6/2017 Wed 3.26 4.2 3.87 0.05 Rain 9/7/2017 Thu 3.25 4.2 3.40 9/8/2017 Fri 3.49 - 4.2 4.08 0.68 Rain 9/9/2017 Sat 3.74 5.0 3.59 NV NV 197 2.8 9/10/2017 Sun 3.55 5.0 1.39 2.05 9/11/2017 Mon 3.24 4.3 0.04 2.51 0.27 Rain 9/12/2017 Tue 3.20 4.1 3.38 0.16 0.04 Rain 265 3.9 226 2.6 9/13/2017 Wed 3.14 _ 4.2 3.74- 0.23 0.04 Rain 9/14/2017 Thu 3.17 4.0 5.49 1.77 9/15/2017 Fri 3.34 4.3 7.13 3.08 9/16/2017 Sat 3.61 4.8 3.72 262 9.1 216 4.2 9/17/2017 Sun 3.61 5.1 3.63 9/18/2017 Mon 3.13 4.2 3.32 9/19/2017 Tue 2.96 - 3.9 3.28- , 228 9.6 188 2.8 9/20/2017 Wed 3.13 4.0 3.66 0.35 Rain 9/21/2017 Thu 3.15 4.0 2.42 0.04 Rain 9/22/2017 Fri 3.29 4.1 3.74 0.06 Rain 9/23/2017 Sat 3.61 5.0 4.02 263 8.1 217 3.7 9/24/2017 Sun 3.40 4.9 3.95 9/25/2017 Mon 3.08 4.3 3.28 • 9/26/2017 Tue 3.00 3.9 3.19 9/27/2017 Wed 2.99 3.8 2.76 244 4.4 224 2.2 9/28/2017 Thu 3.07 4.0 3.36 9/29/2017 Fri 3.14 4.0 3.09 9/30/2017 Sat 3.48 _ 4.6 4.26. 253 7.2 216 3.0 Permit Max 7.7 45 60 Permit Min Permit Ave 30 30 Total 102.19 135.8 108.61 5.08 4.72 1.62 2051 56.9 1979 25.8 Maximum 4.62 - 6.6 7.13 3.08 2.51 0.68 276 9.9 268 4.2 Minimum 2.96 3.8 0.04 0.23 0.16 0.04 228 3.9 188 1.9 Average 3.41 4.5 3.62 1.69 1.57 0.18 256 7.1 220 2.9 #Tests 30 30 30 3 3 9 8 8 9 9 Page 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT 10/12/2017 WASTEWATER TREATMENT PLANT MONTHLY REPORT 9:44 AM September 2017 pH Chlorine <Final Total Coliforms> Total Nitrogen TDS Units mg/L MPN/100 mL mg/L mg/L Date Day Raw Final Final Total may-Median Raw Final Raw Final 9/1/2017 Fri 7.50 7.80 6.2 1 < 1 9/2/2017 Sat 7.38 7.82 4.7 < 1 < 1 9/3/2017 Sun 7.60 _ 7.86 .5.1 < 1 < 1 9/4/2017 Mon 7.47 7.92 4.4 1 < 1 48.7 41.3 302 279 9/5/2017 Tue 7.53 7.86 5.7 < 1 < 1 9/6/2017 Wed 7.55 7.88 5.2 < 1 < 1 9/7/2017 Thu 7.50 7.86 13.0 < 1 < 1 9/8/2017 Fri 7.50 7.80 9.1 < 1 < 1 9/9/2017 Sat 7.57 - 7.90 -5.0 < 1 < 1 9/10/2017 Sun 7.46 7.92 9.6 < 1 < 1 9/11/2017 Mon 7.55 9/12/2017 Tue 7.43 7.84 10.0 < 1 < 1 42.0 35.1 9/13/2017 Wed 7.53 7.84 5.6 < 1 < 1 9/14/2017 Thu 7.55 7.84 5.6 < 1 < 1 9/15/2017 Fri 7.45 - 7.92 -5.4 < 1 < 1 9/16/2017 Sat 7.55 7.94 4.9 < 1 < 1 9/17/2017 Sun 7.53 7.90 5.4 < 1 < 1 9/18/2017 Mon 7.43 7.89 7.7 1 < 1 42.4 34.6 9/19/2017 Tue 7.49 7.88 5.4 1 < 1 252 272 9/20/2017 Wed 7.52 _ 7.80 _5.6 < 1 < 1 9/21/2017 Thu 7.60 7.75 6.4 < 1 < 1 9/22/2017 Fri 7.59 7.76 13.0 2 < 1 9/23/2017 Sat 7.46 7.76 12.0 1 1 9/24/2017 Sun 7.60 7.90 4.9 < 1 1 9/25/2017 Mon 7.64 7.82 6.2 1 ' 1 9/26/2017 Tue 7.48 7.87 5.6 < 1 < 1 40.5 29.5 9/27/2017 Wed 7.36 7.75 5.9 < 1 < 1 9/28/2017 Thu 7.59 7.68 12.0 < 1 < 1 9/29/2017 Fri 7.48 7.76 7.8 1 < 1 9/30/2017 Sat 7.43 7.66 8.5 2 < 1 Permit Max 9.00 23 Permit Min 6.50 Permit Ave Total 225.32 227.18 205.9 31 29 173.6 140.5 554 551 Maximum 7.64 7.94 13.0 2 1 48.7 41.3 302 279 Minimum 7.36 " 7.66 -4.4 1 1 40.5 29.5 252 272 Average 7.51 7.83 7.10 1.1 1.0 43.4 35.1 277 276 #Tests 30 29 29 29 29 4 4 2 2 / Page 3 SOUTH TAHOE PUBLIC UTILITY DISTRICT WASTEWATER TREATMENT PLANT NUMBER OF VIOLATIONS 2017 Parameter #Tests Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total Compliance Total Plant Inflow;7.7 MGD;Dry Weather 273 0 0 0 0 0 0 0 0 0 0 100.0% 2-Hour Peak Inflow; 18.5 MGD 273 0 0 0 0 0 0 0 0 0 0 100.0% BOD,30 Day Ave:30 mg/L 9 0 0 0 0 0 0 0 0 0 0 100.0% BOD,Max:45 mg/L70 0 0 0 0 0 0 0 0 0 0 100.0% SS,30 Day Ave:30 mg/L 9 0 0 0 0 0 0 0 0 0 0 100.0% SS,Max:60 mg/L 77 0 0 0 0 0 0 0 0 0 0 100.0% pH,6.5 to 8.5 264 0 0 0 0 0 0 0 0 0 0 100.0% • Total Coliforms, Max:240 MPN/100 mL 265 0 0 0 0 0 0 0 0 0 0 100.0% Total Coliforms,7-day Median:23 MPN 265 0 0 0 0 0 0 0 0 0 0 100.0% Total 1,505 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: j LE. 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: "I N`P L. Vegetation control: D i Overflow Spillway: ok Stairs North: Ok- Stairs hStairs South: Ok Top Fill Structure North: Ok Top Fill Structure South: Ok Drain Valve North: UV's-- TEA Drain Valve South: d c - C.D3ED Perimeter Fence&Gates: 0k I JJl- Valve House: U r� Comments: 11 S I N0RTk 612. F02 - 14C Slkli 70014/•1 4 bit U I2MEj'i s A 94--tiE37ii\f , Date of Inspection: 9 —12- O Performed by: Li E E LLL. r r f r r r r r r r r , + + + + + + + + + + + - -valve House 1 ydr:- __ _ ` } + + + + + + + + •.! Outlet valve , _ ;f+ s ▪ + '' ' 1 + • + + + + + + € * North Pond : r Iry t Stars -',_ ;'.,� 4. -,. ,.2.,=,,,,.............._=7*.„... _7,,,. r ..-....r�...—.�. ...� ,, ▪ + /1 riar' '''- \.......,. / ' ii/▪ + x j ' ' •♦ • ♦ ♦ + t + + '-.... ' ,!1 Outlet vetve 1 ., iii / J!!!!� P ( , ct' South Pond ' / '' r + f' I ''''\, i'. • • • + ' t v t + + '.. I' ri L ' , 111, t + 1 ' ♦ + + /1 ,w,J+ + + + -t . . '. ' .,, ""., .... Stars _4,-,3 4 + '\ ----, i �4 T + + + + ", 1-.-= 0 ✓ + + + + + + + + + + + '• + + + + + + + + + + + t t t 1 t t Is t t 1 f Sample Sites [Site _'. Latitiie ;.: Longitiide ,Location _ ' _'': , ` _ -_. .. . _ yP Sample ) �T e 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 iSitg . Latitude a a _.,... '�:,wLongttude� �Lecation �.�� `: . .. ��� :�- : � ��.. 7TYPe'9ample . 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 419.9664341 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 D:\Lahontan\Sample Sites\Lahontan Report-Sample Sites.xls Page 2 of 2 'au;'yoalde;N`L661.(D)}45uicdo3 .` '+y NOlt•OxlksYWO4Y04 ,�o,-zt a-:r,,s51.F �wrc 5Y21[ t""Ok I; rr3W i)u or k SIS LY t �• l OiMr'\ r. ▪ 1 k t ,tlf S I Itld,3N OOp0IIT sYi6 '. 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I :i •111 1 .:•!'r • /IJJm� - j r�. Cl` ,�`it 4 � ! �f va i 'i ., ,rl r , ,`I' f.; I ,r-:„N.,...'1:. , T I O, -N A. • tr. • • Ni � r 4 f , L. A- , 1 I. w a ,,ns l \ t• ,'1 • ,.. .--/7:.- amI ! \. - T. i 1 i3 fr , .I!;,::1,:":-.f. t :...,"!.t.-.;.T.,-.,:r.:,.•-i, �' t I EXPLANATION t n" BI.r,,tt,l, A I yI. :.I, 1� + 1r P --L /t.i"I I s • MONITOR WELL I 5 SI'-,- • PRIVATE WELL . cN1 ,�} t L ,r. I1 I fj .11:1',,._ r :,,...,,,. .,,,c_:::,1 �: I Irdgadon-Recylad-23 Water I. i _. -( ▪ � a./t..,,•-,.I 1 �.._,.._-.I lrrigaticn-Blendetl Reoy I dWater 1 1 o f rl �l L�,1`' ( ;, ti. I . , 1 0 1,500 3,000 5.000Faa1 RECYCLED WA TE SOUTH TAHOE PUBLIC UTILITY DISTRICT N R MONITORING PROGRAM WELL LOCATIONS W %\E CARSON VALLEY GROUNDWATER BASIN (6-6) ISCARSON COUNTY, CA ,' r xu� � o„A,��HS:,, �” 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 01/01/15 643 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 07/01/16 2,139 1,661 08/01/16 1,304 2,496 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 3,005 795 06/01/17 2,617 1,183 07/01/17 2,210 1,590 08/01/17 1,626 2,174 09/01/17 878 2,922 E:W PRW PR Current Storage-Lahontan_Repo,t,ds Acre-feet N N W W - C31 O 131 O Ut O C31 O O O O O . O O O O O 1111 1111 1111 1111 1111 1111 1111 1111 01/15 02/15 03/15 04/15 05/15 - 06/15 07/15 08/15 09/15 (D 10/15 11/15 C) CD 12/15 (� 01/16 Q. V 02/16 • - 03 03/16 03 fri0 04/16 Pik CD 7:1 05/16 ..,1 CD♦ 06/16 (n 07/16 0 0 CD 08/16 09/16 (Q 10/16 CD 11/16 12/16 01/17 02/17 03/17 04/17 05/17 06/17 07/17 08/17 09/17 10/17 11/17 12/17 Alpine County Summary Report . Temp pH EC DO Alk TDS SS Turb Chloride Sulfate ACMW-01AW 07/19/2017 Main Dam 12.5 6.82 88.6 37.8 76 2.14 3.79 ACMW-01BE 07/19/2017 Secondary Dam 9.5 6.62 89.9 41.0 79 1.42 2.92 ACMW-02N 07/19/2017 Access Gate 12.8 6.66 _ 130 53.3 95 2.17 3.32 ACMW-02S 07/19/2017 Access Gate 12.4 6.33 103 47.2 73 1.30 3.39 ACMW-04W 07/19/2017 Gansberg 13.2 6.35 213 40.2 142 25.4 14.7 ACMW-06S 07/19/2017 Celio 13.8 7.71 600 206 357 60.2 25.8 ACMW-08N 07/27/2017 Diamond Valley Ranch - 13.0 6.92 177 84.3 126 1.16 1.01 ACMW-09D 08/24/2017 Diamond Valley Ranch 13.8 6.53 90.9 33.3 87 <1.5 4.06 ACMW-10 08/24/2017 Diamond Valley Ranch 12.6 6.64 165 74.4 122 4.65 5.31 ACMW-11 08/24/2017 Diamond Valley Ranch 16.5 6.54 59.9 28.3 53 0.985 2.27 •ACMW-12 07/27/2017 Diamond Valley Ranch ' 13.2 6.65 - 107 47.9 95 1.65 2.52 ACMW-13 07/27/2017 Diamond Valley Ranch 12.9 6.64 109 46.2 104 2.58 1.66 ACMW-14 08/24/2017 Diamond Valley Ranch 13.1 6.26 102 23.7 94 <8.0 <8.0 ACMW-15 09/13/2017 Diamond Valley Ranch 16.9 6.13 68.6 28.8 56 0.656 1.32 ACMW-16 09/13/2017 Diamond Valley Ranch 16.9 6.26 143 56.6 961.43 2.21 ACMW-17 09/13/2017 Diamond Valley Ranch 14.0 6.26 89.2 34.3 67 1.57 2.61 ACMW-18 09/13/2017 Diamond Valley Ranch 14.4 6.21 67.4 27.7 56 0.843 2.04 ACMW-19 09/13/2017 Diamond Valley Ranch 14.7 6.59 306 98.7 183 23.4 10.5 ACMW-20 08/16/2017 Diamond Valley Rd- 13.5 6.11 63.7 29.9 73 0.660 0.991 Paynesville ACMW-21 08/16/2017 River Ranch Rd 11.6 6.12 129 43.7 92 9.53 2.16 ACMW-22 08/16/2017 Fredericksburg Ln 12.7 6.07 98.5 36.3 84 <2.0 2.07 ACMW-23 08/16/2017 Scott Brooke's Ranch by 16.1 7.20 374 173 245 4.40 19.2 Irrigation Ditch - - ACMW-24 08/16/2017 Scott Brooke's Ranch by 13.4 6.47 639 166 407 77.5 30.1 Irrigation Ditch ACMW-25 08/16/2017 Access road between' 16.1 6.17 179 51.0 139 9.98 7.14 Neddenriep&Brooke ranches ACMW-26 08/16/2017 Access road between 18.8 6.42 255 102 191 17.4 1.12 Neddenriep&Brooke ranches - CONTROL 07/18/2017 East side near Post Office 10.0 7.09 235 16.6 0.967 GW-05 08/24/2017 Neddenriep 15.9 6.62 24359.4 167 22.2 9.90 GW-08 08/24/2017 Arant Ranch house 19.6 6.29 312 48.3 200 39.1 17.6 GW-11 07/27/2017 Diamond Valley School 20.1 7.16 145 69.7 108 0.981 ' 0.642 GW-17 07/27/2017 Diamond Valley Ranch House. 15.0 6.21 _ 132 61.0 102 1.80 1.15 i Well HPR 07/12/2017 Harvey Place Reservoir 22.0 7.33 406 5.71 85.2 202 8.54 3.1 45.7 10.8 08/01/2017 Harvey Place Reservoir 22.5 8.26 391 7.05 80.6 210 13.7 12 47.4 11.0 09/07/2017 Harvey Place Reservoir 19.8 6.79 451 1.93 77.3 228 360 370 50.9 13.0 HVC-1 07/19/2017 HVC @ Pioneer Trail - 12.5 7.41 - 34.6 0.587 08/08/2017 HVC @ Pioneer Trail 12.5 7.14 46.8 0.472 09/19/2017 HVC @ Pioneer Trail 9.2 6.96 47.3 0.675 HVC-2 07/19/2017 HVC 250'Upstream Pond#2 15.8 6.77 38.0 0.599 08/08/2017 HVC 250'Upstream Pond#2- 16.0 6.77- 49.7 0.656 09/19/2017 HVC 250'Upstream Pond#2 9.4 6.36 56.9 0.817 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 9 Alpine County Summary Report Temp pH EC DO Alk TDS SS Turb Chloride Sulfate HVC-3 07/19/2017 HVC 25'Downstream of - 15.3 6.89 - 38.1 0.623 Meadow Crest 08/08/2017 HVC 25'Downstream of 16.3 6.88 48.8 0.660 Meadow Crest 09/19/2017 HVC 25'Downstream of 9.1 6.50 57.8 0.826 Meadow Crest - HVC-5 08/06/2017 Effluent of STPUD Drainage 19.8 5.88 56.5 158 96 7.04 Pipe along Meadow Crest 09/08/2017 Effluent of STPUD Drainage 0.5 6.23 24.2 104 88 1.03 Pipe along Meadow Crest MW01 5 07/18/2017 SW corner of ERB 10.2 7.20 178 2.23 MW02-50 07/18/2017 South side of ERB Pond 11.3 6.81 304 23.3 MW03-50 07/18/2017 Southwest corner of ERB Pond 11.4 6.39 515 120 MW04-50 07/18/2017 Hank Monk side of ERB 9.7 6.35 93.2 8.95 MW07-50 07/18/2017 North side of ERB Pond 9.3 7.64 170 10.9 MWO8-25 07/18/2017 South of Pond 1 10.9 6.41 324 11.6 18.8 MW11 07/18/2017 North of Biosolids building 10.2 6.33 213 25.0 2.54 MW12 07/18/2017 South of Biosolids Building 12.3 6.57 795 17.8 36.7 MW13 07/18/2017 South of Pond 2 along HVC 9.6 7.19 718 27.4 33.2 SW-01 07/12/2017 Carson River Woodfords 9.1 6.33 42.5 10.14 21.6 35 6.30 2.5 <0.50 0.833 08/01/2017 Carson River Woodfords 12.1 7.26 55 9.19 27.1 45 3.64 1.9 <0.50 1.06 09/07/2017 Carson River Woodfords 13.6 6.42 52.5 8.75 32.3 52 2.01 1.9 0.642 1.15 SW-02 07/12/2017 Indian Creek Upper 11.8 7.43 103 7.79 46.7 76 0.41 1.4 1.22 <0.50 08/01/2017 Indian Creek Upper 16.4 7.54 99 7.50 50.0 74 0.28 1.1 0.975 <0.50 09/07/2017 Indian Creek Upper . 13.1 6.53 _ 98.2 8.27 47.5 70 0.16 1.2 1.15 <0.50 SW-03 07/12/2017 Indian Creek Mid 14.6 7.15 76.9 9.22 37.2 62 4.20 2.5 1.46 1.06 08/01/2017 Indian Creek Mid 21.5 7.27 116 7.51 55.6 84 7.16 4.9 1.91 1.22 09/07/2017 Indian Creek Mid 17.9 6.70 200 7.86 88.1 134 1.98 6.0 5.48 4.48 SW-04 07/12/2017 Indian Creek Lower - 15.4 7.24 - 88.5 8.70 43.1 77 6.84 3.5 1.40 1.16 08/01/2017 Indian Creek Lower 22.0 7.70 138 7.74 66.3 109 12.8 10 2.21 1.10 • 09/07/2017 Indian Creek Lower 17.2 6.97 125 8.44 56.8 105 21.1 14 2.72 1.74 SW-05 07/12/2017 Carson River Paynesville 12.0 7.25 47.3 9.04 23.4 39 8.18 4.0 <0.50 0.908 08/01/2017 Carson River Paynesville • 14.9 7.23 - 61 8.63 29.7 48 3.32 2.2 0.625 1.14 09/07/2017 Carson River Paynesville 16.8 6.72 75.0 8.55 35.7 61 2.60 2.0 1.05 1.45 SW-06 07/12/2017 Carson River Stateline 13.0 7.17 49.0 9.43 24.0 38 9.31 3.6 0.512 0.941 08/01/2017 Carson River Stateline 14.9 7.26 63 8.65 30.1 48 6.33 3.3 0.727 1.21 09/07/2017 Carson River Stateline 17.3 6.77 87.4 9.01 39.5 67 1.29 1.8 1.67 1.96 SW-07 08/01/2017 Fredericksburg Ditch 15.1 7.16 177 7.21 76.5 142 1.60 2.6 6.97 2.42 09/07/2017 Fredericksburg Ditch 20.6 6.74 160 10.2 . 64.4 126 3.27 2.4 7.06 1.94 SW-08 08/01/2017 Irrigation Ditch 18.6 7.33 200 4.69 97.6 185 4.50 2.4 3.74 1.49 09/07/2017 Irrigation Ditch 19.9 6.58 205 6.67 84.9 151 9.8 2.5 4.50 1.82 Results resported as mg/L except EC as uSlcm Turbidity as NTU Colifoms as MPN/100mL Temp as C NC=Not counted Page 2 of 9 Alpine County Summary Report Total P Total P PO4-P NH3-N Total N NO2-N NO3-N TKN Dissolved . ACMW-01AW 07/19/2017 Main Dam 0.023 0.021 <0.020 0.402 <0.010 0.428 <0.050 ACMW-01BE 07/19/2017 Secondary Dam 0.031 0.025 <0.020 0.242 <0.010 0.251 <0.050 ACMW-02N 07/19/2017 Access Gate 0.020 <0.030 <0.020 1.94 <0.030 1.90 <0.050 ACMW-02S 07/19/2017 Access Gate 0.018 <0.030 <0.020 0.108 <0.030 0.081 <0.050 ACMW-04W 07/19/2017 Gansberg 0.027 0.022 <0.020 2.00 <0.030 1.95 0.05 ACMW-06S 07/19/2017 Cello 0.071 0.053 <0.020 0.121 <0.030 0.053 0.068 ACMW-08N 07/27/2017 Diamond Valley Ranch 0.053 0.035 0.020 0.622 <0.010 0.688 <0.050 ACMW-09D 08/24/2017 Diamond Valley Ranch 0.049 0.043 0.037 1.68 <0.030 1.86 <0.10 ACMW-10 08/24/2017 Diamond Valley Ranch 0.037 0.034 0.029 0.276 <0.010 0.351 <0.10 ACMW-11 08/24/2017 Diamond Valley Ranch - 0.018 0.018 0.031 0.100 <0.010 0.039 <0.10 ACMW-12 07/27/2017 Diamond Valley Ranch 0.089 0.029 0.024 0.300 <0.010 0.338 <0.050 ACMW-13 07/27/2017 Diamond Valley Ranch 0.042 0.018 0.026 0.582 <0.010 0.563 <0.050 ACMW-14 08/24/2017 Diamond Valley Ranch 0.020 <0.080 0.030 5.48 <0.16 5.42 <0.10 ACMW-15 09/13/2017 Diamond Valley Ranch 0.031 0.036 <0.020 0.215 <0.010 0.136 <0.12 ACMW-16 09/13/2017 Diamond Valley Ranch 0.058 0.049 <0.020 1.11 <0.010 1.05 <0.12 ACMW-17 09/13/2017 Diamond Valley Ranch 0.036 0.023 0.020 0.583 <0.010 0.611 <0.12 ACMW-18 09/13/2017 Diamond Valley Ranch 0.034 0.030 0.021 0.648 <0.010 0.658 <0.12 ACMW-19 09/13/2017 Diamond Valley Ranch 0.095 0.082 0.068 0.210 <0.010 <0.010 0.210 ACMW-20 08/16/2017 Diamond Valley Rd- 0.077 0.071 0.022 0.158 <0.010 0.059 <0.10 Paynesville ACMW-21 08/16/2017 River Ranch Rd 0.076 0.073 0.022 0.735 <0.010 0.803 <0.10 ACMW-22 08/16/2017 Fredericksburg Ln 0.020 <0.040 0.020 2.00 <0.040 2.01 <0.11 ACMW-23 08/16/2017 Scott Brooke's Ranch by 0.036 0.032 0.022 1.01 <0.020 1.03 <0.10 Irrigation Ditch ACMW-24 08/16/2017 Scott Brooke's Ranch by 0.076 0.068 <0.020 2.03 <0.020 1.98 <0.11 Irrigation Ditch , ACMW-25 08/16/2017 Access road between 0.053 0.054 0.020 3.50 <0.030 3.30 0.20 Neddenriep&Brooke ranches ACMW-26 08/16/2017 Access road between 0.225 0.258 0.068 0.814 <0.010 <0.010 0.814 Neddenriep&Brooke ranches CONTROL 07/18/2017 East side near Post Office <0.050 5.11 GW-05 08/24/2017 Neddenriep 0.037 <0.040 0.031 3.82 <0.040 3.63 0.19 GW-08- 08/24/2017 Arant Ranch house 0.052 <0.080 0.030 7.86 <0.080 7.70 0.16 GW-11 07/27/2017 Diamond Valley School 0.065 0.036 0.020 0.381 <0.010 0.435 <0.050 GW-17 07/27/2017 Diamond Valley Ranch House 0.063 0.025 <0.020 0.771 <0.010 0.842 <0.050 Well • HPR 07/12/2017 Harvey Place Reservoir 1.72 1.62 7.73 13.3 0.850 2.51 9.94 08/01/2017 Harvey Place Reservoir 2.27 1.76 6.32 14.2 0.616 3.48 10.1 09/07/2017 Harvey Place Reservoir . 6.95 - 2.00 5.41 44.1 4.56 2.63 36.9 HVC-1 07/19/2017 HVC @ Pioneer Trail <0.020 0.072 <0.010 0.012 0.060 08/08/2017 HVC @ PioneerTrail 0.020 0.141 <0.010 <0.010 0.141 09/19/2017 HVC @ PioneerTrail 0.026 0.145 <0.010 0.011 0.134 HVC-2 07/19/2017 HVC 250'Upstream Pond#2- - <0.020 0.171 <0.010 <0.010 0.171 08/08/2017 HVC 250'Upstream Pond#2 0.020 0.243 <0.010 <0.010 0.243 09/19/2017 HVC 250'Upstream Pond#2 0.026 0.255 <0.010 <0.010 0.255 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 9 Alpine County Summary Report Total P Total P PO4-P NH3-N Total N NO2-N NO3-N TKN Dissolved HVC-3 07/19/2017 HVC 25'Downstream of <0.020 0.184 <0.010 <0.010 0.184 Meadow Crest 08/08/2017 HVC 25'Downstream of 0.022 0.244 <0.010 <0.010 0.244 Meadow Crest 09/19/2017 HVC 25'Downstream of 0.026 0.254 <0.010 <0.010 0.254 Meadow Crest HVC-5 08/06/2017 Effluent of STPUD Drainage - 0.554 - 0.396 1.87 <0.010 0.306 i 1.56 Pipe along Meadow Crest 09/08/2017 Effluent of STPUD Drainage 0.428 0.478 1.51 <0.010 0.212 1.30 Pipe along Meadow Crest MW01 5 07/18/2017 SW corner of ERB <0.010 0.476 MW02-50 07/18/2017 South side of ERB Pond <0.030 2.31 MW03-50 07/18/2017 Southwest corner of ERB Pond <0.100 0.445 MW04-50 07/18/2017 Hank Monk side of ERB <0.010 0.027 MW07-50 07/18/2017 North side of ERB Pond <0.010 0.429 MW08-25 07/18/2017 South of Pond 1 <0.010 0.015 MW11 07/18/2017 North of Biosolids building <0.010 0.065 MW12 07/18/2017 South of Biosolids Building <0.010 15.2 MW13 07/18/2017 South of Pond 2 along HVC <0.050 4.08 SW-01 07/12/2017 Carson River Woodfords 0.036 <0.010 <0.020 0.114 <0.010 <0.010 0.114 08/01/2017 Carson River Woodfords 0.026 <0.010 0.032 0.122 <0.010 <0.010 0.122 09/07/2017 Carson River Woodfords 0.026 0.010 <0.020 0.160 <0.010 <0.010 0.160 SW-02 07/12/2017 Indian Creek Upper 0.023 0.010 <0.020 0.135 <0.010 <0.010 0.135 08/01/2017 Indian Creek Upper 0.020 0.012 0.023 0.149 <0.010 <0.010 0.149 09/07/2017 Indian Creek Upper 0.042 0.010 0.022 0.154 <0.010 <0.010 0.154 SW-03 07/12/2017 Indian Creek Mid 0.039 0.013 <0.020 0.138 <0.010 0.012 0.126 08/01/2017 Indian Creek Mid 0.071 0.022 0.023 0.180 <0.010 <0.010 0.180 09/07/2017 Indian Creek Mid 0.068 0.015 0.026 0.177 <0.010 0.014 0.163 SW-04 07/12/2017 Indian Creek Lower 0.096 0.022 <0.020 0.334 <0.010 0.015 0.319 08/01/2017 Indian Creek Lower 0.140 0.027 0.033 0.467 <0.010 0.020 0.447 09/07/2017 Indian Creek Lower 0.257 0.031 0.046 0.831 <0.010 0.053 0.778 SW-05 07/12/2017 Carson River Paynesville . 0.041 <0.010 <0.020 0.129 <0.010 <0.010 0.129 08/01/2017 Carson River Paynesville 0.025 <0.010 0.024 0.135 <0.010 <0.010 0.135 09/07/2017 Carson River Paynesville 0.034 0.011 0.026 0.188 <0.010 <0.010 0.188 SW-06 07/12/2017 Carson River Stateline 0.039 <0.010 <0.020 0.138 <0.010 0.018 0.120 08/01/2017 Carson River Stateline - 0.029 - <0.010 0.028 0.149 <0.010 0.022 0.127 09/07/2017 Carson River Stateline 0.026 <0.010 0.029 0.245 <0.010 0.091 0.154 SW-07 08/01/2017 Fredericksburg Ditch 0.155 0.062 0.033 1.06 <0.010 0.140 0.92 09/07/2017 Fredericksburg Ditch 0.124 0.053 0.040 0.534 <0.010 0.023 0.511 SW-08 08/01/2017 Irrigation Ditch 0.132 - 0.057 0.037 1.13 <0.010 0.017 1.11 09/07/2017 Irrigation Ditch 0.069 0.022 0.042 0.711 <0.010 0.017 0.694 Results resported as mg/L except EC as uS/cm • Turbidity as NTU Coiifoms as MPN/100mL Temp as C NC=Not countedPage 4 of 9 Alpine County Summary Report BOD Ca Mg Na K SAR %Na ACMW-01AW 07/19/2017 Main Dam 8.78 2.60 4.58 1.03 ACMW-01BE 07/19/2017 Secondary Dam 7.53 3.29 5.47 <1 ACMW-02N 07/19/2017 Access Gate 14.6 4.42 7.66 1 04 ACMW-02S 07/19/2017 Access Gate 11.2 2.56 6.18 1.83 ACMW-04W 07/19/2017 Gansberg - 12.7 • 2.81 25.1 3.27 ACMW-06S 07/19/2017 Celio 57.3 22.7 32.3 6.92 ACMW-08N 07/27/2017 Diamond Valley Ranch 15.7 5.37 10.1 1.76 ACMW-12 07/27/2017 Diamond Valley Ranch 11.0 3.15 4.12 1.27 ACMW-13 07/27/2017 Diamond Valley Ranch 11.2 ' 4.19 5.59 2.90 ACMW-20 08/16/2017 Diamond Valley Rd- 5.85 1.32 4.70 1.58 Paynesville ACMW-21 08/16/2017 River Ranch Rd 8.55 2.31 12.6 2.02 ACMW-22 08/16/2017 Fredericksburg Ln 9.64 2.20 4.96 2.32 ACMW-23 08/16/2017 Scott Brooke's Ranch by 31.3 13.4 31.0 4.44 Irrigation Ditch ACMW-24 08/16/2017 Scott Brooke's Ranch by 52.7 23.5 44.8 4.10 Irrigation Ditch ACMW-25 08/16/2017 Access road between 13.5 4.50 11.7 3.30 Neddenriep&Brooke ranches • ACMW-26 08/16/2017 Access road between 19.4 5.49 23.9 6.70 Neddepriep&Brooke ranches - GW-11 07/27/2017 Diamond Valley School 12.6 4.54 8.01 1.55 GW-17 07/27/2017 Diamond Valley Ranch House 11.5 3.20 8.81 1.58 Well HPR 07/12/2017 Harvey Place Reservoir 10.1 16.0 3.66 36.1 7.77 2.12 54.7 08/01/2017 Harvey Place Reservoir 22.9 15.9 3.96 39.5 9.16 2.30 55.9 09/07/2017 Harvey Place Reservoir 79.3 19.9 5.86 46.0 16.9 2.33 51.2 SW-01 07/12/2017 Carson River Woodfords 5.25 1.31 2.02 <1 0.20 18.2 08/01/2017 Carson River Woodfords 6.30 1.70 2.69 1.10 0.25 19.5 09/07/2017 Carson River Woodfords 7.06 1.80 3.26 1.00 0.28 21.2 SW-02 07/12/2017 Indian Creek Upper 9.99 2.39 .5.65 1.61 0.42 25.0 08/01/2017 Indian Creek Upper 10.5 2.67 6.13 1.79 0.44 25.2 09/07/2017 Indian Creek Upper 10.2 2.46 6.24 1.83 0.45 26.4 SW-03 07/12/2017 Indian Creek Mid 8.43 2.23 4.43 1.26 0.35 23.2 08/01/2017 Indian Creek Mid 11.9 3.13 7.40 1.62 0.49 26.5 09/07/2017 Indian Creek Mid 19.3 6.03 11.4 1.94 0.58 24.7 SW-04 07/12/2017 Indian Creek Lower 10.0 2.74 4.45 1.86 0.32 20.0 08/01/2017 Indian Creek Lower - 15.0- 4.05 7.03 2.59 0.42 21.0 09/07/2017 Indian Creek Lower 12.1 3.48 6.06 3.67 0.39 21.1 SW-05 07/12/2017 Carson River Paynesville 5.64 1.44 2.30 <1 0.22 19.0 08/01/2017 Carson River Paynesville 6.73 1.80 3.04 1.09 0.27 20.5 09/07/2017 Carson River Paynesville 7.90- 2.02 4.06 1.39 0.33 22.8 SW-06 07/12/2017 Carson River Stateline 5.82 1.49 2.38 1.06 0.23 19.0 08/01/2017 Carson River Stateline 6.93 1.89 3.18 1.25 0.28 20.6 09/07/2017 Carson River Stateline 9.04 2.38 4.77 1.50 0.36 23.2 Results resported as mgIL except EC as uS/cm Turbidity as NTU Colifoms as MPN/100mL Temp as C NC=Not counted Page 5 of 9 Alpine County Summary Report BOD Ca Mg Na K SAR %Na SW-07 08/01/2017 Fredericksburg Ditch 17.9 4.49 12.8 5.45 0.70 28.4 09/07/2017 Fredericksburg Ditch - 14.6 - 3.54 9.63 6.28 0.59 26.2 SW-08 08/01/2017 Irrigation Ditch 22.0 5.30 14.3 5.17 0.71 27.2 09/07/2017 Irrigation Ditch 18.1 4.31 12.8 4.35 0.70 28.9 • 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 9 Alpine County Summary Report Total E.Coli Coliform Chromo Chromo ACMW-01AW 07/19/2017 Main Dam 1.0 <1 ACMW-01BE 07/19/2017 Secondary Dam <1 <1 ACMW-02N 07/19/2017 Access Gate <1 <1 ACMW-02S 07/19/2017 Access Gate 12.1 <1 ACMW-04W 07/19/2017 Gansberg 866.4 <1 ACMW-06S 07/19/2017 Celio <1 <1 ACMW-OBN 07/27/2017 Diamond Valley Ranch <1 <1 ACMW-09D 08/24/2017 Diamond Valley Ranch 11.9 <1 ACMW-10 08/24/2017 Diamond Valley Ranch <1 <1 • ACMW-11 08/24/2017 Diamond Valley Ranch <1 <1 ACMW-12 07/27/2017 Diamond Valley Ranch <1 <1 ACMW-13 . 07/27/2017 Diamond Valley Ranch <1 <1 ACMW-14 08/24/2017 Diamond Valley Ranch 40.2 <1 ACMW-15 09/13/2017 Diamond Valley Ranch 5.2 <1 ACMW-16 09/13/2017 Diamond Valley Ranch 1.0 <1 ACMW-17 09/13/2017 Diamond Valley Ranch <1 <1 ACMW-18 09/13/2017 Diamond Valley Ranch 1.0 <1 ACMW-19 09/13/2017 Diamond Valley Ranch <1 <1 ACMW-20 08/16/2017 Diamond Valley Rd- 2.0 <1 Paynesville ACMW-21 08/16/2017 River Ranch Rd • 1.0 <1' • ACMW-22 08/16/2017 Fredericksburg Ln <1 <1 ACMW-23 08/16/2017 Scott Brooke's Ranch by <1 <1 Irrigation Ditch ACMW-24 08/16/2017 Scott Brooke's Ranch by 7.4 7.4 Irrigation Ditch ACMW-25 08/16/2017 Access road between 9.7 <1 Neddenriep&Brooke ranches ACMW-26 08/16/2017 Access road between 156.5 4.1 Neddenriep&Brooke ranches GW-05 08/24/2017 Neddenriep <1 <1 GW-08 08/24/2017 Arant Ranch house <1 <1 GW-11 07/27/2017 Diamond Valley School <1 <1 GW-17 07/27/2017 Diamond Valley Ranch House <1 <1 Well HPR 07/12/2017 Harvey Place Reservoir >241920 <1 08/01/2017 Harvey Place Reservoir 29090 7.4 09/07/2017 Harvey Place Reservoir 2187 262 SW-01 07/12/2017 Carson River Woodfords 488.2 14.6 08/01/2017 Carson River Woodfords ' 517.2 14.d 09/07/2017 Carson River Woodfords 517.2 4.1 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 9 Alpine County Summary Report Total E.Coli Coliform Chromo Chromo SW-02 07/12/2017 Indian Creek Upper 2014 75.4 08/01/2017 Indian Creek Upper 1067 57.3 09/07/2017 Indian Creek Upper - 547.5 72.7 SW-03 07/12/2017 Indian Creek Mid 2851 57.3 08/01/2017 Indian Creek Mid 9804 1281 09/07/2017 Indian Creek Mid 2613 272.3 SW-04 07/12/2017 Indian Creek Lower 3654 185.0 08/01/2017 Indian Creek Lower 9804 862 09/07/2017 Indian Creek Lower 54750 8130 SW-05 07/12/2017 Carson River Paynesville - 2400 72.3 08/01/2017 Carson River Paynesville 613.1 22.8 • 09/07/2017 Carson River Paynesville 2755 224.7 SW-06 07/12/2017 Carson River Stateline 1674 50.4 08/01/2017 Carson River Stateline 1274 62.4 09/07/2017 Carson River.Stateline 224.7 137.6 SW-07 08/01/2017 Fredericksburg Ditch 11780 504 09/07/2017 Fredericksburg Ditch 6867 135.4 SW-08 08/01/2017 Irrigation Ditch 7590 1187 09/07/2017 Irrigation Ditch 27550 224.7 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 9 Alpine County Summary Report Colonies Colonies Filaments Filaments Filaments Filament Single # #Cells #Multi- #Cells #Single- Length Cells Celled Celled HPR 07/12/2017 Harvey Place Reservoir 306 3370 0 0 0 0 0 ' 08/01/2017 Harvey Place Reservoir 0 0 53600 2080000 01 0 0 09/07/2017 Harvey Place Reservoir TNTC TNTC 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 9 of 9 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 07/19/2017 11:37 AG57081 4.69 5493.13 5,488.44 ACMW-01BE Secondary Dam 07/19/2017 11:13 AG57082 5.82 5503.55 5,497.73 ACMW-02N Access Gate 07/19/2017 12:09 AG57083 5.49 5469.70 5,464.21 ACMW-02S Access Gate 07/19/2017 12:26 AG57084 4.53 5471.60 5,467.07 ACMW-04W Gansberg 07/19/2017 10:00 AG57085 8.33 4919.89 4,911.56 ACMW-068 Celio 07/19/2017 10:34 AG57086 16.42 5223.50 5,207.08 ACMW-08N Diamond Valley Ranch 07/27/2017 10:32 AG57261 2.63 5464.45 5,461.82 ACMW-09D Diamond Valley Ranch 08/24/2017 10:43 AG57715 28.26 5510.56 5,482.30 ACMW-10 Diamond Valley Ranch 08/24/2017 10:12 AG57716 28.95 5534.19 5,505.24 ACMW-11 Diamond Valley Ranch 08/24/2017 11:19 AG57717 16.12 5503.01 5,486.89 ACMW-12 Diamond Valley Ranch 07/27/2017 11:11 AG57262 26.60 5525.04 5,498.44 ACMW-13 Diamond Valley Ranch - - 07/27/2017 11:43 AG57263 11.72 5554.55 5,542.83 ACMW-14 Diamond Valley Ranch 08/24/2017 11:53 AG57718 17.63 5547.20 5,529.57 ACMW-15 Diamond Valley Ranch 09/13/2017 09:43 AG58041 10.10 5500.60 5,490.50 ACMW-16 Diamond Valley Ranch 09/13/2017 10:19 AG58042 8.10 5484.53 5,476.43 ACMW-17 Diamond Valley Ranch 09/13/2017 10:53 AG58043 11.90 5504.92 5,493.02 ACMW-18 Diamond Valley Ranch 09/13/2017 11:30 AG58044 7.33 5470.56 5,463.23 ACMW-19 Diamond Valley Ranch 09/13/2017 12:11 AG58045 7.00 5417.25 5,410.25 ACMW-20 Diamond Valley Rd-Paynesville 08/16/2017 08:55 AG57598 8.44 5090.30 5,081.86 ACMW-21 River Ranch Rd 08/16/2017 09:21 AG57599 7.08 5011.33 5,004.25 ACMW-22 Fredericksburg Ln 08/16/2017 09:48 AG57600 23.19 5019.28 4,996.09 ACMW-23 Scott Brooke's Ranch by Irrigation 08/16/2017 10:17 AG57601 17.89 4978.35 4,960.46 Ditch ACMW-24 Scott Brooke's Ranch by Irrigation 08/16/2017 10:44 AG57602 21.63 4953.25 4,931.62 Ditch ACMW-25 Access road between Neddenriep& - 08/16/2017 11:58 AG57603 7.77 4942.24 4,934.47 Brooke ranches ACMW-26 Access road between Neddenriep& 08/16/2017 12:40 AG57604 7.54 4895.60 4,888.06 Brooke ranches CONTROL East side near Post Office 07/18/2017 09:55 AG57030 59.30 6345.20 6,285.90 MW01_5 SW corner of ERB 07/18/2017 10:23 AG57031 57.66 6328.00 6,270.34 MW02-50 South side of ERB Pond 07/18/2017 11:56 AG57032 44.40 6314.60 6,270.20 MW03-50 Southwest corner of ERB Pond 07/18/2017 12:20 AG57033 39.69 6310.10 6,270.41 MW04-50 Hank Monk side of ERB 07/18/2017 12:44 AG57034 30.91 6304.40 6,273.49 MW07-50 North side of ERB Pond 07/18/2017 11:20 AG57035 19.92 6302.20 6,282.28 MW08-25 South of Pond 1 07/18/2017 13:57 AG57037 9.64 6258.30 6,248.66 MW11 North of Biosolids building 07/18/2017 14:34 AG57038 25.82 6296.00 6,270.18 MW12 South of Biosolids Building 07/18/2017 15:07 AG57039 22.76 6288.80 6,266.04 MW13 South of Pond 2 along HVC 07/18/2017 15:44 AG57040 5.70 6263.40 6,257.70 Alpine County Soils pH EC %Sat TKN NO3-N Total P Exch P SO4 CI S2A Cello Ranch 09/07/2017 7.88 6.45 72.7 4740 10.8 429 13.2 300 1720 S3A Bently Ranch 09/07/2017 5.52 0.411 34.0 1730 10.1 306 76.5 13 5.56 S4A Gansberg Ranch 09/07/2017 7.62 0.962 41.2 2240 14.5 242 10.9 17 32.5 S5A Gansberg Ranch 09/07/2017 5.80 0.413 39.2 1900 12.4 372 7.72 12 13.9 S6A Neddenriep Ranch 09/07/2017 7.16 0.686 41.5 1790 11.1 374 9.02 15 83.2 S7A Bruns Ranch 09/07/2017 5.76 0.203 38.5 2090 5.35 308 8.86 11 3.18 CEC Cu Mo K Ca Mg Na SAR %Na S2A Cello Ranch 09/07/2017 14.3 8.8 0.10 2598 319 216 766 8.11 9.49 S3A Bently Ranch 09/07/2017 17:5 8.0 0.08 1618 31.0 7.68 16.7 0.70 <1 S4A Gansberg Ranch 09/07/2017 21.8 15.6 0.05 3917 61.3 14.1 51.4 1.54 <1 S5A Gansberg Ranch 09/07/2017 18.4 14.0 0.05 2457 36.7 6.59 31.8 1.27 <1 S6A Neddenriep Ranch 09/07/2017 18.4 16.0 0.05 2718 58.2 7.44 54.7 1.79 1.32 S7A Bruns Ranch 09/07/2017 17:1 24.0 0.05 3018 21.2 4.18 5.98 0.31 <1 Page 1 of 1 Sample Comments Site Date Time Comments DD-01 09/18/2017 11:30 Sample taken to check for cyanotoxins and toxic cyanobacteria DD-01 09/28/2017 09:15 Duplicate for ID#AG58296. Sampled for Lahontan RWQCB to run tests for cyanobacteria and toxins DD-TEMP 09/18/2017 11:53 Sample taken to check for cyanotoxins and toxic cyanobacteria DD-TEMP 09/18/2017 12:05 Sample taken to check for cyanotoxins and toxic cyanobacteria HPR 09/28/2017 08:45 Duplicate for ID#AG58295. Sampled for Lahontan RWQCB to run tests for cyanobacteria and toxins HVC-5 07/06/2017 13:09 Standing water above rock dam. Heavenly Valley Creek swirling to base of rock dam HVC-5 08/06/2017 14:07 Raining; No flow. HVC-5 08/06/2017 14:29 Sample collector forgot to include Oil &Grease and TPH-Diesel in sample set. HVC-5 08/08/2017 13:28 No flow HVC-5 08/22/2017 15:01 Raining, no flow. 0.23 inches of rain fell by 15:15. Storm total was 0.26 inches rain HVC-5 09/08/2017 14:17 Raining; no flow HVC-5 09/19/2017 10:55 Dry MW03-50 07/18/2017 12:20 Nitrate repeated by 01 Segmented Flow analysis. Result was 0.413 mg/L, confirming original IC analysis SW-07 07/12/2017 12:33 No flow, standing water. SW-08 07/12/2017 12:46 No flow, standing water. SW-15 09/07/2017 00:00 On Farm inaccesible per Paul Schlange; muddy road due to rain 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT Date: (' 7 ' / ° ' I-7 / 0--:/.., 7.9Z- i9.- EMERGENCY POND MW FIELD MONITORING RECORD Samplers: • /3 (- Purpose: Preservative Std Check Depth to Well Water Calc Actual Well Casing Depth to Column Water to Water �, Temp EC Bottom Diameter GW Height Purge Purged U •— gO Site ID# Time °C pH pS/cm ft inch ft ft Gallons Gallons, _ = O5 pH EC COMMENTS • CONTROL S ; - � °�`�5 ioi Z� 5 80°90 2 - S`131) 21.-6 -4 S- t � a� �•�V I � i64 3- I'l fi, y c MW1.5 JV 65.80 2 / /1657032 5( IL3 0,i I 6 ba r 141 1 MW02-50 (� 3 50.90 2M _ 11' I I' 7 MW03-50 �m122° �1.L1 b S ic50°80 2 s7 6� MW04-50 �2�� .35 � 131 X51.00 2 30.�� , (f, s /, MW07-50k657035 i , 1/3_6 , f,3 0 14o 52.60 2 Ir. 1- OUsd s'5,4, , Q MW08-25 G57X137 1354 (0,7 6,(-1 ( 3). 20.60 2 q,61 �1 lj( le .34 c MW11 A651 4.` (LI 3 jb-D- 61 3 a-)3 0/s,1a C 2, 6 l q - 41.0 2 AG57C a'' 1 .3 -/r -'7'c- � is �y��../� GI�s17�A� 153--fir MW12 f 6. 4 ql 531.50 2 r t ( ' JK3y() .P� 11.)P.61 1714 !/u4 Nip/ �( $ c.30 . b IIS • ls.31 (s0�)f,0� ,617Itt MW13 �g ( 14.40 2f51/1/r i--e_)9,6 Ill I Ti 1 A652 C3 6Trip (430 loVi l ��•s'r F 0. , Blank � � ': i;' 'iiile-1 � ,;C��,ai, "t4 i Groundwater samples shall be collected only after>_1 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 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>_5 minutes. for 50'well whose water level is 35 feet from ground level: Water column height=50'-35'=15' File:D:\Lab\Forms\Field Sheets\Field ERB.doc 11!812012 Flushing Record Date:°? /H Minutes Gallons °C s pH y ti �S 6, ,Ir@S ( 0195 6 � ;Os1 ,a 7,3 - 013 (.90 11 5, (DJ) -4•,G 6 -73E-DT 06155' i l� 5o `; Io q•061 23S' / iC (o(5 3 ( iq j$b /o../d (oil) • 3 (0. 11--+ 1013 13 c (0,-0,20 111 . . MIN- 6 /051 6L a, 6A8 13'Lf fo 110 -( 3 Iqx 11o9 N 4►g)- pi dri- e, 11: 11 11 ►6 5' 7, 1 4,s-a- 0-q Pit-'54,d 5- , 0-0 • -5-6c 1 3 qp0-6 leo - 0-2_ ((y6, 1, c /ail 6,q/ (Is ► 7 3 11. 6 6tis- 301) (/c& 1Y Li 11, 3 6,$ f 36y /11w ' 03 X7-/0 (,S 11, 16,V .5(5 13-15- 3 ((, 6,13 cI6 iZio 1 11.V 6,37 /1//4) . 0L/ D-31/ 3 1, /Di 6341 93, Z) i3-3/ I3-39 3 R.. , g,31 MA)- 0 /1 130- 3 /, s' 1 o►S 6,3i 345" /'al it 13C2 2s s R) 9 6.34 3a 13 _ 19 345- 10. 9 Ci L( 3a-it Nati (11 b4)- 1ZIZq (0•a- ,35- j.1 i`/3l 0- i m.07, 6,3 Gz13 _pit) - 1 pie fay K30_ - _ 1855 1c0-2_ g .5L -g // _ 1507 1 3-9 s Note:Temp,pH,EC must stabilize t 5%for successive measurements taken in intervals>_5 minutes. - :\Lab\Forms\Field Sheets\Monitor Well_Flushing_Record.doc i 4 z' r , Z,Z f ---t SOUTH I AHUt F'UbLIL: U I ILI I Y UIS I RIC: I uate: K./(—( —t ACM FIELD MONITORING RECORD Samplers: rcR__.., ;�- CO. GI( Purpose: W``��,, � C3 °I 2p17 CIe Y l c c / Preservative Std Check Depth to Well Water Calc Actual Depth Well Casing Column Water to Water (1) to GW Temp EC Bottom Diameter Height Purge Purged r, = H2S0 , o Q Site IID# Time ft °C pH US/cm ftinch ft Gallons Gallons 0 _,H= m a 2H EC COMMENTS / ^/) ACMW-01AW )34 0 0-5 6,aa- q. 22.6 2 /UUUP , Ili' _ ACMW-01 BE AG5 '4i 1I13 SBL. II 6.6 5711 23.8 2 Ig.0 3 1 -- 6 tr.() ACMW-02N /Z �� �,�� �a^� Gr4 • 1 ;6 34.1 2 I2 0\ 5 : ACMW-02S 417 )?633 jc3 21.9 - 2 3 1 f7t xiit 'I ACMW-04W /6)0131, �1 ,35213 290 2 ? 7 '1ILO s: _ ACMW-06S AG5AOlt &)!1/13.. 7:1-1 ‘6� .29.9 2 13.5- zY L C ,a'a'�� AG57�o1 i al 1 G Trip Blank 4 Ij I - - ' Initial r;. T',!.' �'_, "w 71„-k:; 's sa ^^t,�y, +�4. '' ' .ra*-t.vis%.al rM , .. .s'-,,r� n.,,..�.' ,a ,.. a,.,,7 �" .. `�``+{,,alp,K, . ...�7 �w ..7t,. +��,Mp�+a a:.. ut.+ r �,'� .'.i "�a c,��'^,^}. •',�•�#f""y z ,, :�E "I''x � :i..� ,. nd,i �w 4. ... f:'U:�' x °sl Y..., �. Y,'.,•�e; i.,, �.�H �.. .,"T. ,mot.��..,; i; .c :?�� x `� W.#�' x: ,�i�`x'F l Ern erature of Control 1.. : .,, x. ;, .,, ,. , ., , ; p.. . . :, r t , k �' , �' n. ,. 1, p ^'�� 3,,�� �. $���t, ;1� x�,�. .'k� �a�;:�� f l �:ft �����< e� [[ ^�w.� Y: ,� � �r(-w � `ky'��r�Y�� ,�. «+'�1�., ,M9� �, "c'4V-A-16n�5, r t :,;ra a ..,�°�.`i' �I ^� ��. P SW. a„R,h,-.'fB3' g as 5 '.kR n..�"..�, `;ea. „±'•...�,,, :.,+. el1n.. .kra''✓* ',.r,.. '' ,`.�, ,.�.,s'�l' �.*.•h .�9 r 'q: -.�.. zx"w. �..�. iit":�s..a x` s.7:.;r 'when samples received ,,: � . . �,... ._, t�.,. � ,z�7x� ,�., .�;�1, �'�: �". >. ,� � ,`a �f ��� '�;�.d�n^ .�l?�,„. �x�t . '; i'a 'i :.E>'i�T,+ , ":;,,i'rx ?.r Y1'14', r.1r�OV.4i ,role -.d'.', 0 ' A. . V .'R. i',^y'C".� , Fr,;'T� 'S,;F7.. .cY",�f. /�, V �`d'N e "ro*''r mR '• , T. Y� a 1 at Lab °�� �.�� �1�<� �: �;,���;�.����'' ��...° �$... rra� � . , �. .. ��. , '�� 147' �..,f°.`n '�a ��, . Groundwater samples shall be collected only after z 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±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' n nl [nrmelCinbf Chnnfelrinl.i ARMIA/.inr` 1mnniA Flushing Record Date: iitniMANWO Oni.;3.04%,OrMIONI•BitetiO RoalnialaW togvAlowortot pok4,4,-"42,te-s•kpotor.tsn A:koviist;00;74 ITO iAlci-MOndfug tit4i0Ct AV:WA NOYM A4 oln 214 627 air 40Alee- eqYz U/ 6. 7 zI2- • 100D (I_ V.0 6 :2- 6:is 7,3_ Accitiki -e(oc /614 1,0 (3 ia(21/65-- 5V1 /O(( 1:3.33 7.fcq?O s ,D 137 7(,39gf( a. jR3LcI ) tlif Cu -0(6e- ito) 1- 110 (101 6.69 v33 111-3 I -a, is ccticd-o(k) a ( 11.6746 s' (7,S7 i131, g 6 Acui(0-00 [11 /34 6311 vte ((s-) 6-0 13,3 670 2 NO 12_ g's 11S 6.66 13o " AcAiCkS 62 Il((ci •9 °7 637 P5 re_ (2_/Y 1111 9 12. 6 6 .3y13 11-4 I taiq 6.33 /6 • . . Note:Temp,pH,EC must stabilize t 5%for successive measurements taken in intervals>5 minutes. laabWorms Field Sheets Monitor Wellflushing_Record.doc • Group 2 /' p SOUTH TAHOE PUBLIC UTILITY DISTRICT Date: DS-i -t7 ACMW FIELD MONITORING RECORD Samplers Tv he 1, 4- Klin ite Purpose: Preservative Std Check Depth to Well Water Calc Actual Depth Well Casing Column Water to Water a) to GW Temp EC Bottom Diameter Height Purge Purged a ? H2504 z o Site ID# Time ft °C pH pS/cm ft Inch ft ft Gallons v , pH= x > _pH EC COMMENTS ACMW-20 DO %,LIL 1,5,5 ty„iL Oa 21.5 2 1, 7 0 L2j IDA) ✓ IA. / ) On Diamond Valley Rd,near SW-05 AG5-1599 ACMW-21 j21 L,pg LI-6 i-`,7` pi 30.0 2 21..%2_ ‘5,9.0 qt / ✓ 1,6 On River Ranch Rd,East side of Hwy 88 AGS- :, ACMW-22 j`sL.tia /,Y! Lz,'L Loi digig 59.5 2 3L13\ L•11 q-2_ 1 I p 1 On Fredericksburg Lane,near S7 AG57 J 1 v V i •�,a�y�. t,11 5 L ACMW-23 IAN 'St i 1 (� L -7,2z 3Z 50.0 2 Imo ✓-. IA' / Upstream of SW-15 AGS; ACMW-24 t2y� -21-(e) l3 .4 641 C3 ,/ u�e� � I5� 9 50.0 2 �g.��' �e�2 vim � �,�j Downstream of SW-15 ACMW-25 IbY� -03tb �,`� Ili E ✓ >/ I f Behind NeddenH s on Westside Lane; II „` 30.0 2 '7— b '� dirt rd between H 88 and Carson River A657634 ACMW-26 tt.tq %C !$,g to(o•4� s 30.0 2 22•( 1,u2, I3 i ,/ /14 , I On Westside Lane @ Stateline AG5 635 1 Trip Blank oZo� ✓ ti Temperature of Control ¢�fia '(2)7441:1 r' ,a"q 5.F��:W ris441;s '*''''''''''''''424:41 1t„8^ 4:41 k4� & M,4x ;4:44H; fA �` •. �i :. �. , �:: ,, �. �� . � Y �,�� r;, , �� �, �„ . �� t:i� �07w ,t ,$ e�w7e retw�,,~ �a F.�.�g - � � �w� � a ..� ^ t�" 1 .,;*. ' gP ,�c .M ;when samples received M r. : . 1& - k r?�. :,,5;,'40--4? �v �: � 'x �. ,� : �x ,e :'L%` :� x.�` � „ at Lab I{-et -. „, Frc r _ r �: y> � r ��w � ��t m � �s�, , : ,' ,� ' rs. x,r . x P" "":1V'';x, . . � „ „y� • i:106 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>_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' 1199/9MR n a oktFnrmclCiolrl Ctieelc%Fi°LV a.rILAIALA11 en 9a rine-. 67) " Flushing Record Date: F / ' 1Th Temp 'EC Minutes Gallons -.pH pS Sariipler ACM 0-'20 ate (5- SC 6}A 0q9; i 0,6 ..0 tk 0.1 NCIAtA)-zi Ol 2.0 0% tt 11,1p la I 0 K12.1L1 LIg lg.lt tV 1\C"3-2 2_ ci9 ea- (/24 *Le PicikAW -LT IM16 I W. tg45- Ion tk% L 1- ittAW tD IR-s /A7-:- 7 1\0(\W-2.) 7.L7 311 CD.lo _ _ 7:2o .51-1 . • NCM3-9A R 14 ,.• (215 tgit I/34 11,b Vki Note:Temp.pH,EC must stabilize±5%for successive measurements taken in intervals 2 5 minutes. . DALabTormsTield SheetsWlonitor Well_Flushing_Record.doc croup 3 vvv r I I r P'\I Iva_ . 'wry.r._...... • _._ . . --- - ACMW FIELD MONITORING RECORD Samplers: $c/(iV{'j- ,/iA1 ? Purpose: Preservative Std Check Depth to Well Water Calc Actual Depth Well Casing Column Water to Water d to GW Temp EC 'Bottom Diameter Height Purge Purged c, •= H2SO4 g a Site lD# Time ft 'C pH pS/cm ft Inch ft Gallons Gallons ( pH= _ pH EC COM^M9E-NTS A ► l ; 180.5 2 w c i'" . r �- £9 3,a ad" / 70.1 2 /� a- ACMW 08N � � � �� • 111111111 ACMW-12 T1i/ 13.4o3- 73.5 2 / 6 6572 ' ,/(3 I?Z iac 6.�6LI I " 1 20.0 2 ' ACMW-13 ``5 6aC11, 411111 ',t G5726_4 GW-11 (Itl 20- H. ( I GW-17 AG572 I U . )S.O &2 1�b 1111 Trip Blank 5r � 66-011 /f r °C I itia ,a Yrs, ^�'sy ,.c 104Anc,`j'`"�.�. „RnY.z °' 4, . 5 » :r '?• zn" g�. • ry s4t v H-Tem erature of Control �;. � ..� , ;���'� �ft �`�,;��;, ������ � `. ;'�� ;�•�� _� � `� �*;���F�=�� � ��_� 9��f~ 9%i .44 a.: "y j t ,'.4 „. .,,ay�'x,+A.`s�i ,'"'i t' A " •yp,, �S+ ,�..•Y 'F" renwhen sam les received h / ., :o , �V f� ^ . �� v.r p (-- a y',4' c, ., = ' \°'', r ''I r ` .,., .t, ' y fr .t z s: \'' ;til .;..%,.4:4,..% .j rVe .,..J�rci�.Y'kl, ,,' 4 4 �w ..+,' .+x.N fi+§ -p rte X _4. ' '„O sr•¢}' \i t`;��r 4,0 +�.wa .v.a .. ,i. at Lab n E .<a � ^ s rr . h x.,. �' 2%„ "A ln,A+$v t� .kkbc�. r" L.d yl, . v ;,1- .yir, 'v,,,,• a..,, FT '�hM ; Minimum 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 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 have been flushed and Temperature,pH,and EC measurements Water column height=depth of well-water level uses a 200 uS/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' ('Al•\ ah\Fnrmc\Fiolrl Choofe\Fielrl Ar`N4\Ar_Ctrnun 1 rinr 'n'ron+a Flushing Record Date: M-11- cv:,=;inxitv4744tvo_40:-,450,-&kaw,gg;:'::77-,Twie,,Vitrwm ViRegt ,„tleialtai,AILUPS M*-1,k4i mpfm* intill:Vg-WASIMM ,fc:ITiriteg;31FICi§tre.B*30kag, af,MksconimentsNAgiAg*, Ca{ CeN1 ita 13. 1 1,121 ct/re 6,t9 / so g-6 /3 /) i . (/ ot 1). (/ (1i 13, o 01, fin • Cp (61- /(5- 2- 167 12,1( 6,1(( tre skit e ifs ( 1138 7 121 109 • Note:Temp,pH,EC must stabilize±5%for successive measurements taken in intervals 5 minutes. D:\LabWormsField Sheets1Monitor Well_Flushing_Record.doc Group 4 SOUTH TAHOE PUBLIC UTILITY DISTRICT Date: ei—C " ( / ACMW FIELD MONITORING RECORD Samplers i CIL, Purpose: C) ri4- 0 Preservative Std Check /40 0'6'2�-1 Depth to Well Water Calc Actual Depth Well Casing Column Water to Water a) to GW Temp EC Bottom Diameter Height "Purge Purged r) •zr c H2SO4 o a Site ID# Time ft °C pH _ pS/cm ft Inch ft . allons Gallons v in _pH= = o pH 1 EC _ COMMENTS ACMW-09D AG5a I F3L(S � /-1 C-S3 7°1 45.1 2 /t8 / (I�S /( (' (7 AGS e-1 btu , bit )t.i itk "� i 0 c ,d,,,0 ss- / / rL ACMW-10 38.5 2 �ri ACMW-11 65,7717 ill ��S 6.� 33.5 2 l7 ��� 7-0 / ( l ACMW-14 AG5� /153 (lL, /3-! 6.ZCic 30.0 2 (2,-(1 7S 1Sr /' . 6 GW-05 AG5-2. (Z,51 — Ic;7 6i-63 saq3 /.( 1, ,e I GW-08 t G l ; , „ (x-36, 19.4 6,�1 3)� /�/ 1.6 Trip Blank 16577 21 on / it Temperature of Control =� In tial n &3 a ', - 1 ,,,,,,,,,,4,..0::,..i,, rt - `r EY t, F r t n �. s ` } S �: 1 d m a S n when samples received 3 6(....., fsi 1x� i ,.t "x aat Labi', '` .r .. ,; . . E Minimum gallons to flush=1 x 7.48 x 13.14 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±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' D:\Lab\Forms\Field Sheets\Field ACMW-Group_4.doc _ 1/22/2016 Flushing Record Date: tim4frAmto,,01014m-p.,,R51147„ 4i-4/414-3*Aiknifi a,,,latisw4A*4-44igtpq ,.,;:1159Aftt vtz5visil,1 Fupiptw,k 11.6YN • Zi / OI 3 Ho 1 0 Itb72S1).4 6,66 ibq j (J6 CPAL(\ 'MD )0- 3 ' c (11,c 67,50 ) 75134 6,0 c1).1 Ioq3 1 ?3, ‘ &,5'3 10 9 4 01110 ( ( ta/)( 2- /Is— 17,7 (4156. 5C/t,/f0161 kliq (1.0 (GI 7-0 Acro kv -1 ( 1I3 io-2-- OLN Cl 134 g17-- iO3' ) 153 1 i 13, jg I O2 ••••••1 • • • • Note:Temp,pH,EC must stabilize±5%for successive measurements taken in intervals?5 minutes. alLabWorms1Field Sheets1Monitor Well Flushing Record.doc 1...,01. .Group 5 aUU 11 in 1 Hr7VC rUCLII,+ u 1 ILI I I lJ1.7 I RI\.rl ACMW FIELD MONITORING RECORD Samplers: P/C/$ Z Purpose: ✓clk (19.(,1-I1 P_re_servative J Std Check Depth to Well Water Calc Actual _y Depth Well Casing Column Water to Water to GW Temp EC Bottom Diameter Height Purge Purged a .HZSO, z o Site ID# Time ft °C .H S/cm ft Inch ft Gallons Gallons v. te pH= = > pH EC COMMENTS ACMW-15 AGS :.. C11131 ' ((t.1 �� �3 6�''� 29.5 2 Kt/ 3' 3 11.1 L�� Y -ros AGS : 1011 41 b X1 (0)-6 113 20. 39 5 °'I-a \l R.�e4II µntt � ACMW 16 b 29.0 2 l,( P ACMW-17 AGSL _d: 10S93 i i AO 11(6 6.;6 ) 30.0 2 . ,( 1 c� d 14 / . � AG5cC44 1130 ;33I 6'". 1 eh V 28.0 2 Z& .;31 TO 1 ACMW-18 ACMW-19 AGS Co.%� 1 11 �`� i4 4 6,5 9 30�, 20.0 2 t �� L�a �3'J� 1' _/ Trip Blank . °° Initial a:n�"_ w �><,s"`". •'R ,�"i,=W� ..YP WIN:; iy,:.y� ra' , c.y;-.r ,,,�.S,(. +i�`. �:;, at"tz4.x,.-'3 <:A. ;N•y �a+� sg ,..., •..r. Temperature of Control ,a s . f .ri g . �, >. a;' .;" ��, 1 r;,. <:t .s.: §.',,w, . ,, ° aar ��1,?, Y .'x..,,1ye,+.6�w4. - '; . 4' � x,$'...i,.,%-t i., , .i,, J :'aro':., 7 :mac z �tL a. ..a.: 4.: ,.i. i r,.- N `1- R'.trrt"1 :,a ` .v:. 2,41 ,y£3,,1. ,�±. „u 4 • 4,,,:.14.-.i'r A,- - . t , tia :, ,,A,.. r�s .: •a .f n < v s,H when samples received �.�. �u;.`� ,a �, �?�(d• fat14,„, y �: �:�� ��,.;, � ak. � ..,�• �.� ,,;� ����;� ;, -�. � ��... P ) �1A , r, t 4 Y '4 o :,ba.t y0.3 : 4iNI ; 1 ,.• Arir 't,c- .'.ip „n ':7; 6 ! 147''t��at Lab t'Xii 4 ^,.�pp P s{xx� S.,, nti. �„ r. r. r% r rfh ..' ., , �eei', 'n.. ,��:., t , 3�,a., ),,,i 5 1,, ,..,, •,iwrnlnhK'��i�..:�t: pqb: ,�`,.-'k2L�t, _.,.; f'� T* Y rL;���ti::ud� ;1�„r."ri,g1}x.i.i. .a,, ���-,� '�+y'a`... ,,,,,±?'�:":`e�s � � 15 '� l���� ,:uv,� �`t 1yh.,NI z t3�7,w yHt+'�'!„A� 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±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°'o 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•i oMrnrm°,ricrl Cbctentc=dalri arr,nter_nr„::n S rinr 1n�nma . Flushing Record Date: 01 /314 Well Time Fluihed Flushed ±5% ; 'i 7 4' Comments or jecy.„ 36135 1.,;),Alri,„ ,`6 -1 6-0/' P/'/ 0 e, A,T,ifiow I c" 0I`13 I icosq (0 13 lknli‘o, 16 1b ,1 / 7_ ti_\ ,f„? 14 1G t. . (66'2- tied (-71, ' '41 lb hc,1144)-fl 410g) i'Ffifk at IL( 2/J q1Z It) 141' 6-4 8V- teCiftlik) - 1723-- 2_ 3)cccs",57 61,2 112,3 y 13G t- 113O -4 6-21 61.1 koni.) ) 7 1/0i 3 3.q f( S 6,6-1 1'46 115g 11.0& (1,C 11/.1 6-56 3Y ill/ 13 13,3 vi,9- Note:Temp,pH,EC must stabilize±5%for successive measurements taken in intervals,?.5 minutes. ):\LabtFormslField SheetstMonitor_Well_Flushing_Record.doc