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Reclamation Permit Monitoring Report 3rd Quarter 2018 (2) e`oev • 1950 • Ntet South h o esy Fublic Utility District 1275 Meadow Crest Drive•South Lake Tahoe•CA 96150-7401 phone 530 544-6474•Fax 530 541-0614•www.stpud.us November 6, 2018 Patty Kouyoumdjian California Regional Water Quality Control Board - Lahontan Region 2501 Lake Tahoe Boulevard South Lake Tahoe, CA 96150 RB6-Lahontan@waterboards.ca.gov Subject: Reclamation Permit Monitoring Report, 3rd Quarter 2018 Dear Ms. Kouyoumdjian, Enclosed is the South Tahoe Public Utility District's 2018 3rd quarter self-monitoring report for July through September 2018. 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 5.89 MG of wastewater was pumped to the ERB at the end of the month in September 2018. This was done during a plant upset which has since been resolved. There was 5.89 MG of wastewater in the ERB on September 30, 2018. The ERB was drained back to 0 MG during the first week of October 2018. The ERB was inspected on July 19, 2018 and on September 12, 2018; the reports are 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 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 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, / )J-.yam'J '; -;::./,,,,, \ r : , Alr'-':',.,\‘ d f } , A L ‘ ,f,\/, / 3/(v ii,,,,if \\.,\:::');;,>,c::;via.t..„..:,-//., ,,..../:7 Shannon Cotulla Assistant General Manager / Engineer scotulla@stpud.dst.ca.us D:\Lahontan\Reports\2018 3rd 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: 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 7 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 4 Alpine County Monitoring Wells Purge Records 10 Photos of Irrigation ditch flows 0 Totalpag es 43 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 - Richard Solbrig STPUD Alpine County Operations — Jim Hilton STPUD Manager of Operations — Jeff Lee STPUD Operations Chief Plant Operator — Chris Siano STPUD Laboratory Director — Dan Arce D.\Lahontan\Reports\2018 3rd Quarter Report doc Operational Problems and Major Maintenance Activities July— September 2018 Wastewater Treatment Facilities • The plant experienced an upset in the secondary treatment system which necessitated the use of the Emergency Retention Basin (ERB) for two full days at the end of September 2018. The plant has since recovered and the water from the ERB was returned and exported to our facilities in Alpine County. • The 2 year project to replace Break Point Structure and Plant Generator continued. Wastewater Conveyance System • Sewer Pump Stations o Tank #2 at Luther Pass Pump Station was taken off-line due to tank leaking. Crack around the base of the overflow stand pipe tank was welded and coated. Tank #2 was put back on-line. o Carbon Scrubber was added to Main Fallen Leaf Sewer Pump Station for odor control o Pump #1 Element at Tahoe Keys Sewer Pump Station was replaced with a rebuilt Element. o Fallen Leaf Sewer Pump Station #8 was changed over from a vacuum system into an electric pump system. o Pump #3 at Luther Pass Pump Station was rebuilt and put back on-line. o Pump #2 Element at Trout Creek Sewer Pump Station was removed and replaced with a rebuilt Element. o Wet well doors at Ski Run Sewer Pump Station were removed, repaired and reinstalled. • Collection System o No major maintenance activities or problems reported. Alpine County Disposal Facilities • There were no modifications or additions to, or any major maintenance or construction conducted on, or any major problems occurring at the disposal facilities in Alpine County from July thru September 2018. Page 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT 9/13/2018 WASTEWATER TREATMENT PLANT MONTHLY REPORT 9:47 AM July 2018 < 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 7/1/2018 Sun 4.18 5.9 4.52 7/2/2018 Mon 4.06 5.5 4.42 283 6.6 221 2.1 7/3/2018 Tue 4.32 5.4 4.11 7/4/2018 Wed 4.59 6.3 5.35 7/5/2018 Thu _ 4.51 6.2 4.57 7/6/2018 Fri 4.47 6.0 4.80 7/7/2018 Sat 4.48 6.0 4.53 276. 7.7 227 2.2 7/8/2018 Sun 4.11 5.8 4.41 7/9/2018 Mon 3.83 4.9 4.23 7/10/2018 Tue 3.79 5.0 4.05 7/11/2018 Wed 3.81 4.9 4.46 285 5.8 223 3.7 7/12/2018 Thu 3.94 5.1 3.58 7/13/2018 Fri 4.14 5.2 4.89 7/14/2018 Sat 4.42 5.8 4.51 0.47 Rain 284 8.0 260 2.9 7/15/2018 Sun 4.25 6.0 4.65 7/16/2018 Mon 3.90 5.3 4.18 7/17/2018 Tue 3.89 5.0 4.27 7/18/2018 Wed 3.94 5.2 4.15 238 7.0 209 3.4 7/19/2018 Thu 3.90 5.1 4.53 • 7/20/2018 Fri 4.09 5.2 4.29 7/21/2018 Sat 4.37 5.8 4.35 264 NV 253 6.6 7/22/2018 Sun 4.25 6.0 4.81 0.45 Rain ' 7/23/2018 Mon 4.06 5.4 4.47 0.05 Rain 268 11.2 205 6.3 7/24/2018 Tue 4.00 5.3 4.16 7/25/2018 Wed 3.99 5.1 4.63 7/26/2018 Thu 4.09 _ 5.6 4.05 7/27/2018 Fri 4.21 5.7 4.35 7/28/2018 Sat 4.45 6.1 4.84 274 7.9 267 3.7 7/29/2018 Sun 4.28 5.6 4.37 7/30/2018 Mon 3.94 5.4 4.29 7/31/2018 Tue 3.89 5.0 4.11 274 NV 242 3.1 Permit Max 7.7 45 60 . Permit Min Permit Ave 30 30 Total 128.15 170.8 136.93 0.00 0.00 0.97 2446 54.3 2107 34.1 Maximum 4.59 6.3 5.35 0.00 0.00 0.47 285 11.2 267 6.6 Minimum 3.79 4.9 3.58 0.00. 0.00 0.05 238 5.8 205 2.1 Average 4.13 5.5 4.42 0.32 272 7.8 234 3.8 #Tests 31 31 31 0 0 3 9 7 9 9 { Page 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT 9/13/2018 WASTEWATER TREATMENT PLANT MONTHLY REPORT 9:47 AM July 2018 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 7/1/2018 Sun 7.47 7.86 9.8 < 1 < 1 7/2/2018 Mon 7.51 7.90 9.4 < 1 < 1 240 274 7/3/2018 Tue 7.51 7.80 7.8 < 1 < 1 7/4/2018 Wed 7.48 7.82 6.2 < 1 < 1 50.8 34.0 7/5/2018 Thu 7.46 7.84 6.6. < 1 < 1 7/6/2018 Fri 7.44 7.86 6.2 1 < 1 7/7/2018 Sat 7.48 7.88 7.0 1 < 1 7/8/2018 Sun 7.55 7.90 7.0 < 1 < 1 7/9/2018 Mon 7.51 7.89 7.0 < 1 < 1 43.9 34.9 7/10/2018 Tue 7.53 7.82 6.8 1 < 1 7/11/2018 Wed 7.43 7.86 6.8 < 1 < 1 256 290 7/12/2018 Thu 7.45 7.76 12.0 < 1 < 1 7/13/2018 Fri 7.44 7.72 5.9 1 < 1 7/14/2018 Sat 7.46 7.73 6.8 < 1 < 1 7/15/2018 Sun 7.55 7.86 6.6 < 1 < 1 7/16/2018 Mon 7.50 7.78 7.8 < 1 . < 1 7/17/2018 Tue 7.44 7.78 6.6 < 1 < 1 47.7 31.3 7/18/2018 Wed 7.55 7.83 .6.2 1 < 1 7/19/2018 Thu 7.54 7.79 6.2 2 < 1 7/20/2018 Fri 7.49 7.82 6.9 1 < 1 7/21/2018 Sat 7.51 7.84 6.0 < 1 < 1 7/22/2018 Sun 7.49 7.84 6.2 < 1 < 1 7/23/2018 Mon 7.48 7.88 6.4 1 1 7/24/2018 Tue 7.50 7.84 5.6 1 1 44.5 31.9 7/25/2018 ' Wed 7.57 7.86 6.0 < 1 1 7/26/2018 Thu 7.49 7.84 6.8 2 1 7/27/2018 Fri 7.51 7.80 7.1 1 1 7/28/2018 Sat 7.56 7.76 6.9 < 1 1 7/29/2018 Sun 7.53 7.76 6.8 < 1 1 7/30/2018 Mon 7.53 7.77 6.6 < 1 < 1 7/31/2018 Tue 7.51 7.86 6.6 < 1 < 1 Permit Max 9.00 23 c Permit Min 6.50 Permit Ave Total 232.47 242.55 216.6 33 31 186.9 132.1 496 564 Maximum 7.57 7.90 12.0 2 1 50.8 34.9 256 290 Minimum 7.43 7.72 5.6 1 1 43.9 31.3 240 274 Average 7.50 7.82 6.99 1.1 1.0 46.7 33.0 248 282 #Tests31 31 31 31 31 4 4 2 2 -y, Page 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT 9/18/2018 WASTEWATER TREATMENT PLANT MONTHLY REPORT 8:21 AM August 2018 < 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 8/1/2018 Wed 3.83 5.0 4.32 8/2/2018 Thu 3.88 5.0 4.07 8/3/2018 Fri 4.11 5.2 4.56 8/4/2018 Sat 4.35 5.9• 4.11 294 8.5 224 1.8 8/5/2018 Sun 4.17 5.9 4.95 8/6/2018 Mon 3.87 5.3 4.05 8/7/2018 Tue 3.79 5.0 4.03 8/8/2018 Wed 3.64 4.9 4.07 282 11.4 246 3.1 8/9/2018 Thu 3.76 4.9 4.06 8/10/2018 Fri 4.00 5.3 .4.13 8/11/2018 Sat 4.19 5.7 3.96 292 17.8 266 7.8 8/12/2018 Sun 3.95 5.8 4.26 8/13/2018 Mon 3.62 4.8 3.98 8/14/2018 Tue 3.53 4.7( 4.11 8/15/2018 Wed 3.45 4.4 3.88 269 14.6 227 5.0 8/16/2018 Thu 3.49 4.5 4.14 8/17/2018 Fri 3.70 4.6 3.89 8/18/2018 Sat . 4.03 5.4 4.15 258 12.3 235 5.0 8/19/2018 Sun ' 3.70 5.5 4.10 8/20/2018 Mon 3.34 4.5 3.58 8/21/2018 Tue 3.23 4.1 3.52 8/22/2018 Wed " 3.24 4.4 3.56 284 18.2 246 7.1 8/23/2018 Thu 3.27 4.3 4.34 8/24/2018 Fri 3.53 4.5 3.65 8/25/2018 Sat 3.85 5.1 4.02 248 25.4 196 11.6 8/26/2018 Sun 3.67 5.4 3.97 8/27/2018 Mon 3.22 4.2 3.74 8/28/2018 Tue 3.11 4.0 3.44 8/29/2018 Wed 3.07 4.0 4.39 206 NV 170 7.0 8/30/2018 Thu 3.10 3.9 3:83 8/31/2018 Fri 3.47 4.2 3.60 Permit Max 7.7 45 60 Permit.Min Permit Ave 30 30 Total 113.16 150.4 124.46 0.00 0.00 0.00 2133 108.2 1810 48.5 Maximum 4.35 5.9 4.95 0.00 0.00 0.00 294 25.4 266 11.6 Minimum 3.07 3.9 3.44 0.00 0.00 0.00 206 8.5 170 1.8 Average 3.65 4.9 4.01 267 15.5 226 6.1 #Tests 31 31 31 0 0 0 8 7 8 8 Page 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT 9/18/2018 WASTEWATER TREATMENT PLANT MONTHLY REPORT 8:21 AM August 2018 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 8/1/2018 Wed 7.51 7.90 6.2 < 1 < 1 44.7 33.9 8/2/2018 Thu 7.47 7.89 9.3 1 < 1 8/3/2018 Fri 7.56 7.92 6.6 < 1 < 1 8/4/2018 `Sat 7.58 7.94 7.4 < 1 < 1 8/5/2018 Sun 7.50 7.85 6.9 2 < 1 8/6/2018 Mon 7.49 7.91. 10.0 3.1 < 1 45.8 38.1 270 299 8/7/2018 Tue 7.47 7.86 7.1 < 1 < 1 8/8/2018 Wed 7.45 7.89 6.1 1 1 8/9/2018 Thu 7.48 7.92 6.6 < 1 < 1 8/10/2018 Fri 7.49 7.88 6.4 1 1 8/11/2018 Sat 7.50 7.93 7.0 1 1 8/12/2018 Sun 7.52 7.97 6.7 < 1 1 8/13/2018 Mon 7.44 7.94 7.7 < 1 < 1 43.6 36.8 8/14/2018 Tue 7.52 7.87 11.0 < 1 < 1 8/15/2018 Wed 7.44 7.97 7.3 < 1 < 1 266 311 8/16/2018 Thu 7.48 7.89 8.0 < 1 • < 1 8/17/2018 Fri 7.48 7.95 8.6 < 1 < 1 8/18/2018 Sat 7.52 7.95 7.6 2 < 1 8/19/2018 Sun 7.47 7.90 7.9 < 1 < 1 8/20/2018 Mon 7.58 7.99 8.9 < 1 < 1 40.7 37.0 8/21/2018 Tue 7.53 7.90 6.3 < 1 < 1 8/22/2018 Wed 7.47 7.92 7.0 < 1 < 1 8/23/2018 Thu 7.56 7.95 6.7 1 < 1 8/24/2018 Fri 7.54 7.90 9.6 < 1 < 1 8/25/2018 Sat 7.52 7.81 8.1 < 1 < 1 8/26/2018 Sun 7.48 7.86 7.6 < 1 < 1 8/27/2018 Mon 7.53 7.90 9.0 < 1 < 1 8/28/2018 Tue 7.56 7.93 6.6 < 1 < 1, 43.0 34.0 8/29/2018 Wed 7.57 7.88 7.1 < 1 < 1 8/30/2018 Thu 7.55 7.88 7.9 < 1 < 1 8/31/2018 Fri 7.50 7.89 7.4 < 1 < 1 Permit Max 9.00 23 Permit Min 6.50 Permit Ave Total 232.76 245.14 236.6 35.1 31 217.8 179.8 536 610 Maximum 7.58 7.99 11.0 3.1 1 45.8 38.1 270 311 Minimum 7.44 7.81 6.1 1 1 40.7 33.9 266 299 Average 7.51 7.91 7.63 1.1 1.0 43.6 36.0 268 305 #Tests 31 31 31 31 31 5 5 1 2 2 , 1 Page 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT 11/5/2018 WASTEWATER TREATMENT PLANT MONTHLY REPORT 11.58 AM September 2018 < 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 9/1/2018 Sat 4.16 5.4 3.78 288 16.8 245 8.4 • 9/2/2018 Sun 4.36 6.1 4.47 9/3/2018 Mon 3.83 5.8 4.03 NV NV 197 6.9 9/4/2018 Tue 3.21 4.4 3.56 9/5/2018 Wed 3.21 3.9 3.23 9/6/2018 Thu 3.08 3.9 3.55 9/7/2018 Fri 3.28 4.0 3.71 9/8/2018 Sat 3.56 4.8 4.03 288 17.8 268 7.8 9/9/2018 Sun 3.41 5.0 3.66 9/10/2018 Mon 3.04 4.1 3.55 9/11/2018 Tue 3.01 3.9 2.84 NV NV 164 7.7 9/12/2018 Wed 2.99 4.1 3.29 9/13/2018 Thu 2.97 3.8 3.39 9/14/2018 Fri 3.14 4.0 3.36 9/15/2018 Sat 3.41 4.7 3.72 253 16.4 233 6.1 9/16/2018 Sun 3.37 4.9 3.56 9/17/2018 Mon 3.00 4.1 3.16 9/18/2018 Tue 2.92 4.1 3.22 287 19.4 325 11.2 9/19/2018 Wed 2.89 3.8 3.40 9/20/2018 Thu 2.95 3.7 2.95 9/21/2018 Fri 3.10 3.9 3.65 9/22/2018 Sat 3.39 4.6 3.33 260 26.2 200 9.8 9/23/2018 Sun 3.24 4.8 3.53 9/24/2018 Mon 2.96 4.2 3.19 9/25/2018 Tue 2.84 4.1 2.63 200 21.6 158 11.9 9/26/2018 Wed 2.83 4.2 3.28 9/27/2018 Thu 2.83 3.8 2.22 9/28/2018 Fri 2.98 3.8 2.35 0.16 9/29/2018 Sat 3.27 4.5 0.00 3.27 9/30/2018 Sun 3.16 4.6 0.78 2.46 Permit Max 7.7 45 60 Permit Min Permit Ave 30 30 Total 96.39 131.0 95.42 0.00 5.89 0.00 1576 118.2 1790 69.8 Maximum 4.36 6.1 4.47 0.00 3.27 0.00 288 26.2 325 11.9 Minimum2.83 )3.7 0.00 0.00 0.16 0.00 200 16.4 158 6.1 Average 3.21 4.4 3.18 :1.96 263 19.7 224 8.7 #Tests 30 30 30 0 3 0 6 6 8 8 i Page 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT 11/5/2018 WASTEWATER TREATMENT PLANT MONTHLY REPORT 11:58 AM September 2018 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 9/1/2018 Sat 7.52 7.92 7.0. < 1 < 1 9/2/2018 Sun 7.53 7.93 8.5 < 1 < 1 9/3/2018 Mon 7.52 7.97 10.0 < 1 < 1 262 307 9/4/2018 Tue 7.51 7.95 7.6 < 1 < 1 9/5/2018 Wed 7.45 7.91 7.2 < 1 < 1 9/6/2018 Thu 7.50 7.91 7.7 < 1 < 1 42.0 35.8 9/7/2018 Fri 7.58 7.93 12.0 < 1 < 1 9/8/2018 Sat 7.56 7.92 8.2 < 1 < 1 9/9/2018 Sun 7.61 8.00 9.6 < 1 < 1 9/10/2018 Mon 7.57 7.93 8.4 < 1 < 1 . , 9/11/2018 Tue 7.53 7.96 7.6 < 1 < 1 37.9 34.2 9/12/2018 Wed 7.68 8.00 8.4 < 1 < 1 9/13/2018 Thu 7.68 7.96 8.4 < 1 < 1 9/14/2018 Fri 7.55 7.93 7.4 < 1 < 1 9/15/2018 Sat 7.55 7.94 7.4 < 1 < 1 9/16/2018 Sun 7.58 7.99 7.2 < 1 < 1 9/17/2018 Mon 7.60 7.97 7.4 1 < 1 9/18/2018 Tue 7.45 7.94 7.9 < 1 < 1 264 299 9/19/2018 Wed 7.52 7.92 8.9 1 < 1 9/20/2018 Thu ) 7.48 7.88 8.1 < 1 < 1 39.7 34.8 9/21/2018 Fri 7.59 7.93 7.9 < 1 < 1 9/22/2018 Sat 7.53 7.92 9.0 < 1 ' < 1 9/23/2018 Sun 7.60 7.93 9.6 1 < 1 9/24/2018 Mon 7.50 7:91 9.6 < 1 < 1 9/25/2018 Tue 7.37 7.99 8.1 < 1 < 1 9/26/2018 Wed 7.47 7.90 7.3 < 1 < 1 9/27/2018 Thu 7.37 7.89 7.9 < 1 < 1 40.6 35.7 9/28/2018 Fri 7.50 7.86 10.0 < 1 < 1 9/29/2018 Sat 7.56 9/30/2018 Sun 7.46 Permit Max 9.00 23 Permit Min 6.50 Permit Ave Total 225.92 222.19 234.3 28 28 160.2 140.5 526 606 Maximum 7.68 8.00 12.0 1 1 42.0 35.8 264 307 Minimum 7.37 7.86 7.0 1 1 37.9 34.2 262 299 Average 7.53 7.94 8.37 1.0 1.0 40.1 35.1 263 303 #Tests 30 28 28 '28 28 4 4 2 2 . Page 3 SOUTH TAHOE PUBLIC UTILITY DISTRICT WASTEWATER TREATMENT PLANT NUMBER OF VIOLATIONS 2018 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/L 65 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 8.5 271 0 0 0 0 0 0 0 0 0 0 100.0% Total Coliforms,Max:240 MPN/100 mL 269 0 0 0 0 0 0 0 0 0 0 100.0% Total Coliforms,7-day Median:23 MPN 269 0 0 0 0 0 0 0 0 0 0 100.0% Total 1,515 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: -2:1q, Performed by:---reg.e 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: 704 D -r Ir Y N 7,a Overflow Spillway: c, Stairs North: /.//3- Stairs South: ,1/4- Top Fill Structure North: a 1< Top Fill Structure South: vlc: Drain Valve North: Drain Valve South: Perimeter Fence& Gates: c j 1 L v e 4'L )o Valve House: f5' Comments: Date of Inspection: -7-1 q—17 Performed by: ii,c,-7 -..- + + + + + + + + + + + alve House -• wry.w•.- .,i, _- . „, 5 /r ., r_y w M F. M ' „ c• f�w�, .,,y� �, _ '4 YIIYMI�IM •,-- + ' +. + + + .•.'''' .....i. ' Outlet Valve ,, t 1, j: + 1 + + + + + + + + +� North-Pond ; ,,, Stays -;� + + + + + L +� if 1 Pk ,-."---4,°""-----.... . } t ) , ,. + + "n". Nr .i,."..... ++ -4f*•I,-.., .II, 4". 4. . 1 t + + + + ♦ + +1 - r 1.,i'.'._-., .,,.,..'f1iI„i ,,”...\ \:+ .....___............,.. ..... .............,,,,,+ +1 Z ,,I,t',I1i,, 1 1 Cutlet Valve ,�N,�I yond :/ " :'- : : : : _ rr f�� k ,444,4404,44.4. N".... r,,,, + + `' "'"''' "*' a 4• , + + + + —I. '(,,.-..i....--47'-, 141 3.. + + + 4- + + + + + + + "= �r + + + + + + + + + + + � 1 t I I ! f ! t 1 1 t P. 1 •1 '1 •1 1 South Tahoe Public Utility District ERB Inspection Date of Inspection: 91/2,-4) Performed by: `4/ ''i'ra(-7y =,D/,/c: 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. 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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 a Soil S-8 38.817425 -119.757000 On-Farm Soil Heavenly Valley Creek HVC-1 38.917861 -119.959632 Heavenly Valley Creek;Downstream of Pioneer • Surfacewater HVC-2 38.920120 -119.969390 Heavenly Valley Creek;250'upstream of Pond#2 Surfacewater HVC-3 38.921373 -119.971421 Heavenly Valley Creek;25'downstream of Meadow Crest Dr, Surfacewater HVC-4 38.920591 -119.969271 Heavenly Valley.Creek;Effluent of drain from Lower Shop area Surfacewater HVC-5 38.921278 -119.971090 Heavenly Valley Creek;Effluent of drainage pipe along Meadow Crest Dr Surfacewater Tahoe Basin Monitoring Wells Control 38.9135951 -119.9623870 North east of post office @ Black Bart and Pioneer Trail Monitoring Well MW01-50 38.9131807 -119.9640739 SE corner of Emergency Retention Basin,At access gate to ERB Monitoring Well MW01.5 38.9129062 -119.9642166 SE corner of Emergency Retention Basin,At access gate to ERB Monitoring Well MW02-50 38.9128116 .-119.9652141 South side of Emergency Retention Basin,on Black Bart Ave Monitoring Well MW03-50 38.9129187 -119.9657562 South side of Emergency Retention Basin,on Black Bart Ave Monitoring Well MW03.5 38.9140351 -119.9664341 W side of Emergency Retention Basin,off Hank Monk Ave Monitoring Well MW04-50 38.9148881 -119.9666463 W side of Emergency Retention Basin,off Hank Monk Ave Monitoring Well MW05-50 38.9157076 • -119.9663302 NW corner of Emergency Retention Basin,off Hank Monk Ave Monitoring Well MW06/50 38.9157148 -119.9648075 North side of Emergency Retention Basin Monitoring Well MW07-50 38.9157020 -119.9639551 NE corner of Emergency Retention Basin Monitoring Well MW08-25 38.9213967 -119.9709800 SW corner of Pond#1,at south access gate to STPUD Monitoring Well MW1•1 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 Page 2 of 2 Sample Sites ,. ,.:,.,..::.r......... ......•,,. ........:. : .,....,: ..,.,•. ..e:.n n,:f.,...s5r.,;.,.Y».;,.;»,.;s•Y.s:»• a..:.»:..........:..r.:., :. »::::,.:„,.,...........r....r....Yi r..r,..,�,..r... .r.......:.�,.r»..,,.....,.......r..r..r........»rr:.r..:},f..,.r.,., r.r....e..:..:. r ..r :..... ..»».r�.�..r.:....r. r....k..rr..... r..r: kW..rr.k: S.r3 H. Y f n0. 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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 �� 'r Y:`tt`1.,y.A11 ` I !Jf ,.., i 1 r ( . . .. ` 0 i '' /,y 1 I J -...-..4.„•:,.••••,..f...,., xS..fit•,1 ttt r I" t i „•:,.;;;,1•,..c�.. .+ i f • +yam N• .1 \.' • • ,,.....�} 'i i (\ ! „,.......,.....1..,....,,.. ••;' Q', • ' ,,,,..,.:r,..,..1R.♦ f �•:.a•=1• ' ,..•: L4 • • ;! 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'.%': j_ I enl l4i�:.'G ?; t . 1: o. .• '' '-•--lw1- *.''' .� fit . 11 f �1 r Y•:;vim.._•...•:.•..• t i•'`.s `ljj`.• .r•Kr".1...".....' \'. ` ,+'•. `.,v .y Ae t•IW.1l� /•A4A1WO►$ f, .•,,', j l f 11.,'..'•\:ii ( te , yrs,,,...t-J red:",'; {t.i�`x \' +�.I t•i 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 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 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 Q5/01/18 2,246 1,554 06/01/18 2,465 1,335 •07/01/18 1,927 1,873 08/01/18 1,240 2,560 09/01/18 531 3,269 E:\HPRIHPR Current Storage-Lahontan_Report Acre-feet — — N N W co -1. 01 O 01 —Co 01 O 01 O . O .O CD CD O O O O CD CD 'O O CD CD CD O CD 01/16 • 02/16 • - 03/16 r _ , 04/16 05/16 06/1610 .• 07/16 08/16 X - 09/16 su 10/16 Q 11/16 CI CD 12/16_ CD 01/17 O 11 02/17 , * 11) 1111 03/17 SU th i 04/17 xi 05/17 06/17 CO Cn (/)F r 07/17 Q " 08/17 mis 09/17 • (la - 10/17 CD " 11/17 •12/17 01/18 02/18 • 03/18 04/18 • A. 05/18 06/18 07/18 08/18 09/18 10/18 11/18 •12/18 Alpine County Summary Report • Temp pH EC DO Alk TDS SS Turb Chloride Sulfate ACMW-01AW 08/06/2018 Main Dam 12.6 6.41 87.6 32.5 79 3.37 2.97 ACMW-01 BE 08/06/2018 Secondary Dam 9.3 6.16 93.3 48.1 86 1.02 3.32 ACMW-02N 08/06/2018 Access Gate 14.4 6.08 129 60.2 95 1.48 2.97 ACMW-02S 08/06/2018 Access Gate 16.4 5.86 108 51.9 81 1.42 2.98 ACMW-04W 08/02/2018 Gansberg 13.0 6.28 184 44.1 132 13.5 17.6 ACMW-06S 08/06/2018 Celio 14.4 7.28 602 210 364 57.4 26.2 ACMW-08N 08/29/2018 Diamond Valley Ranch 13.2 6.71 178 84.2 123 1.07 1.04 ACMW-09D 09/18/2018 Diamond Valley Ranch 12.9 6.19 83.0 33.4 84 <1.0 1.50 ACMW-10 09/18/2018 Diamond Valley Ranch 13.8 6.54 344 76.2 127 4.20 3.00 ACMW-11 09/18/2018 Diamond Valley Ranch 14.8 6.31 232 37.7 85 2.00 2.50 ACMW-12 08/29/2018 Diamond Valley Ranch 13.7 6.45 107 46.5 96 1.70 2.55 ACMW-13 08/29/2018 Diamond Valley,Ranch 12.6 6.11 125 51.1 91 1.86 3.72 ACMW-14 09/18/2018 Diamond Valley Ranch 13.2 6.23 71.5 29.9 75 <1.0 1.70 ACMW-15 09/20/2018 Diamond Valley Ranch 16.6 6.45 69.3 30.0 51 <1.0 1.10 ACMW-16 09/20/2018 Diamond Valley Ranch 16.6 6.71 126 56.4 86 1.10 1.50 ACMW-17 09/20/2018 Diamond Valley Ranch 13.0 6.64 83.7 33.2 62 1.40 1.80 ACMW-18 09/20/2018 Diamond Valley Ranch 13.7 6.29 81.1 33.2 58 <1.0' 1.80 ACMW-19 09/20/2018 Diamond Valley Ranch 15.1 6.52 215 107 135 3.00 1.10 ACMW-20 08/29/2018 Diamond Valley Rd- 15.5 5.98 85.6 35.2 67 1.18 2.10 Paynesville Paynesville ACMW-21 08/14/2018 River Ranch Rd 11.0 5.92 178 39.4 112 19.0 4.39 ACMW-22 08/14/2018 Fredericksburg Ln 12.3 5.84 105 33.1 83.0 3.73 2.10 ACMW-23 08/14/2018 Scott Brooke's Ranch by 15.8 6.99 378 171 264 3.97 18.6 Irrigation Ditch ACMW-24 08/14/2018 Scott Brooke's Ranch by 14.1 6.30 678 177 402 75.8 37.1 Irrigation Ditch ACMW-25 08/14/2018 Access road between 16.2 5.92 176 48.7 123 9.28 5.97 Neddenriep&Brooke ranches ACMW-26 08/14/2018 Access road between 15.1 6.03 184 66.9 130 11.1 4.77 Neddenriep&Brooke ranches CONTROL 08/13/2018 East side near Post Office 10.5 6.79 262 19.0 DD-01 08/27/2018 Diamond Ditch @ Beginning 19.5 8.47 554 10.20 GW-05 09/18/2018 Neddenriep 14.4 6.17 254 61.1 167 23.0 8.60 GW-08 09/18/2018 Arant Ranch house 16.5 6.00 321 49.1 193 38.0 9.60 GW-11 08/29/2018 Diamond Valley School 17.6 6.74 145 69.3 112 1.29 1.11 GW-17 08/29/2018 Diamond Valley Ranch House 14.6 6.10 142 60.8 110 1.63 3.09 Well HPR 07/10/2018 Harvey Place Reservoir 22.8 7.64 492 5.43 144 251 9.22 3.5 54.1 12.9 07/19/2018 Harvey Place Reservoir 22.0 8.07 502 10.08 08/07/2018 Harvey Place Reservoir 21.6 7.97 523 8.45 142 256 5.27 2.7 59.7 11.7 08/27/2018 Harvey Place Reservoir 20.4 8.59 549 10.60 09/05/2018 Harvey Place Reservoir 17.6 8.33 559 6.87 153 270 12.4 5.0 64.0 13.0 09/18/2018 Harvey Place Reservoir 16.6 7.46 644 2.36 HVC-1 07/25/2018 HVC @ Pioneer Trail 12.5 7.12 54.3 0.730 08/21/2018 HVC @ Pioneer Trail 14.1 7.49 51.8 0.719 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 HVC-1 09/28/2018 HVC @ Pioneer Trail 9.4 7.15 52.0 0.805 HVC-2 07/25/2018 HVC 250'Upstream Pond#2 13.5 6.82 55.0 0.759 08/21/2018 HVC 250'Upstream Pond#2 16.7 7.17 61.7 0.772 HVC-3 07/25/2018 HVC 25'Downstream of 12.0 7.01 58.0 0.780 Meadow Crest 08/21/2018 HVC 25'Downstream of 14.4 7.12 69.1 1.25 Meadow Crest MW01 5 08/13/2018 SW corner of ERB 9.9 7.08 170 2.17 MW02-50 08/13/2018 South side of ERB Pond 12.1 6.38 302 29.0 MW03-50 08/13/2018 Southwest corner of ERB Pond 10.6 6.09 479 88.2 MW04-50 08/13/2018 Hank Monk side of ERB 10.2 6.10 98.9 7.95 MW07-50 08/13/2018 North side of ERB Pond 10.6 7.42 180 10.9 MW08-25 08/13/2018 South of Pond 1 10.7 6.91 806 22.5 MW11 08/15/2018 North of Biosolids building 10.1 6.15 214 25.2 MW12 08/15/2018 South of Biosolids Building 12.5 6.57 449 25.4 MW13 08/15/2018 South of Pond 2 along HVC 10.4 7.39 657 35.9 SW-01 07/10/2018 Carson River Woodfords 15.8 7.67 69.1 8.27 35.2 59 1.64 1.0 0.872 1.46 08/07/2018 Carson River Woodfords 13.0 7.69 62.8 8.63 30.9 49 3.28 1.7 0.779 1.34 09/05/2018 Carson River Woodfords 9.8 6.19 76.0 8.78 37.3 52 1.08 0.52 <1.0 1.20 SW-02 07/10/2018 Indian Creek Upper 16.5 7.62 106 6.94 59.4 92 0.42 1.8 0.887 <0.50 08/07/2018 Indian Creek Upper 14.4 7.67 132 5.62 70.3 100 0.83 3.4 0.927 <0.50 09/05/2018 Indian Creek Upper 11.3 7.69 112 6.36 58.5 88 0.95 3.6 <1.0 <1.0 SW-03 07/10/2018 Indian Creek Mid 22.3 7.49 199 6.08 97.6 . 147 6.06 4.6 4.89 3.69 08/07/2018 Indian Creek Mid 17.8 7.46 209 6.47 102 149 2.57 3.3 4.80 3.06 09/05/2018 Indian Creek Mid 15.0 7.27 214 6.55 104 145 8.03 5.7 4.60 2.40 SW-04 07/10/2018 Indian Creek Lower 23.6 8.11 140 8.81 68.1 102 5.50 8.4 2.60 2.30 08/07/2018 Indian Creek Lower • 18.2 7.81 132 8.43 64.5 117 42.6 28 2.23 1.78 09/05/2018 Indian Creek Lower 14.5 7.95 137 9.41 68.0 106 4.50 6.6 2.10 1.40 SW-05 07/10/2018 Carson River Paynesville 19.8 8.25 80.5 8,11 39.0 66 1.35 1.2 1.18 1.71 08/07/2018 Carson River Paynesville 16.5 8.47 74.5 8.50 36.0 55 1.91 1.2 1.09 1.72 09/05/2018 Carson River Paynesville 13.5 7.83 92.0 8.03 43.4 71 1.37 0.82 1.10 1.70 SW-06 07/10/2018 Carson River Stateline 22.1 7.84 85.8 7.58 41.6 70 0.68 0.85 1.58 2.11 08/07/2018 Carson River Stateline 19.2 8.32 92.5 8.99 43.4 71 0.95 0.8 1.65 2.47 09/05/2018 Carson,River Stateline 15.4 8.35 98.0 9.18 45.4 74 1.09 0.60 1.30 1.80 • 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 08/06/2018 Main Dam 0.024 0.025 <0.020 1.12 <0.010 1.14 <0.05 ACMW-01 BE 08/06/2018 Secondary Dam 0.030 0.031 <0.020 0.088 <0.010 0.093 <0.05 ACMW-02N 08/06/2018 Access Gate 0.021 0.019 <0.020 0.641 <0.010 0.618 <0.05 ACMW-02S 08/06/2018 Access Gate 0.023 0.024 <0.020 0.061 <0.010 0.029 <0.05 ACMW-04W 08/02/2018 Gansberg 0.021 0.022 <0.020 2.17 <0.010 2.18 <0.05 ACMW-06S 08/06/2018 Celio 0.074 0.072 <0.020 0.158 <0.050 0.043 0.115 ACMW-08N 08/29/2018 Diamond Valley Ranch 0041 0.046 <0.020 0.756 <0.010 0.702 0.054 ACMW-09D 09/18/2018 Diamond Valley Ranch 0.062 0.054 <0.020 1.12 <0.005 1.11 <0.050 ACMW-10 09/18/2018 Diamond Valley Ranch 0.035 0.033 <0.020 0.422 <0.005 0.443 <0.050 ACMW-11 09/18/2018 Diamond Valley Ranch 0.020 0.017 <0.020 2.79 <0.005 2.72 <0.050 ACMW-12 08/29/2018 Diamond Valley Ranch 0.041 0.045 <0.020 0.433 <0.020 0.363 0.070 ACMW-13 08/29/2018 Diamond Valley Ranch 0.027 0.028 <0.020 1.43 <0.010 1.39 <0.050 ACMW-14 09/18/2018 Diamond Valley Ranch 0.021 0.020 <0.020 0.922 <0.005 0.935 <0.050 ACMW-15 09/20/2018 Diamond Valley Ranch 0.039 • 0.028 <0.020 0.327 <0.020 0.327 <0.050 ACMW-16 09/20/2018 Diamond Valley Ranch 0.053 0.049 <0.020 0.655 <0.020 0.646 <0.050 ACMW-17 09/20/2018 Diamond Valley Ranch 0.030 0.027 <0.020 0.477 <0.020 0.486 <0.050 ACMW-18 09/20/2018 Diamond Valley Ranch 0.032 0.031 <0.020 0.580 <0.020 0.586 <0.050 ACMW-19 09/20/2018 Diamond Valley Ranch 0.101 0.098 0.038 0.115 <0.020 <0.005 0.115 ACMW-20 08/29/2018 Diamond Valley Rd- 0.071 0.063 <0.020 0.339 <0.010 0.215 0.124 Paynesville ACMW-21 08/14/2018 River Ranch Rd 0063 0.063 <0.020 2.45 <0.010 2.41 <0.050 ACMW-22 08/14/2018 Fredericksburg Ln 0.020 0.018 <0.020 2.19 <0.010 2.18 <0.05 ACMW-23 08/14/2018 Scott Brooke's Ranch by 0.038 0.039 <0.020. 1.01 <0.010 1.06 <0.05 Irrigation Ditch ACMW-24 08/14/2018 Scott Brooke's Ranch by 0.071 0.074 <0.020 1.72 <0.010 1.70 <0.05 Irrigation Ditch ACMW-25 08/14/2018 Access road between 0.056 0.055 <0.020 3.11 <0.010 3.17 <0.05 Neddenriep&Brooke ranches ACMW-26 08/14/2018 Access road between 0.116 0.125 <0.020 0.677 0.031 0.478 0.168 Neddenriep&Brooke ranches CONTROL 08/13/2018 East side near Post Office <0.010 4.94 GW-05 09/18/2018 Neddenriep 0.038 0.041 <0.020 3.72 <0.005 3.50 0.22 GW-08 09/18/2018 Arant Ranch house 0.047 0.048 <0.020 7.36 <0.005 7.24 0.12 GW-11 08/29/2018 Diamond Valley School 0.054 0.046 <0.020 0.554 <0.020 0.515 <0.050 GW-17 08/29/2018 Diamond Valley Ranch House 0.039 0.027 <0.020 0.927 <0.010 0.899 <0.050 Well HPR 07/10/2018 Harvey Place Reservoir 2.92 2.67 15.5 18.4 0.158 0.113 18.1 08/07/2018 Harvey Place Reservoir 3.16 3.10 14.8 17.0 0.470 0.663 15.9 09/05/2018 Harvey Place Reservoir 3.35 3.10 17.1 19.1 0.274 0.278 18.5 HVC-1 07/25/2018 HVC @ Pioneer Trail. <0.020 0.111 <0.010 0.014 0.097 08/21/2018 HVC @ Pioneer Trail <0.020 0.054 <0.010 0.022 <0.050 09/28/2018 HVC @ Pioneer Trail <0.020 0.067 <0.020 0.021 <0.050 HVC-2 07/25/2018 HVC 250'Upstream Pond#2 <0.020 0.253 <0.010 <0.010 0.253 08/21/2018 HVC 250'Upstream Pond#2 <0.020 0.252 <0.010 <0.010 0.252 HVC-3 07/25/2018 HVC 25'Downstream of <0.020 0.254 <0.010 <0.010. 0.254 Meadow Crest 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 i 1 l Alpine County Summary Report Total P Total P PO4-P NH3-N Total N NO2-N NO3-N TKN Dissolved HVC-3 08/21/2018 HVC 25'Downstream of 0.029 0.304 <0.010 <0.010 0.304 Meadow Crest MW01_5 08/13/2018 SW corner of ERB <0.020 0.405 MW02-50 08/13/2018 South side of ERB Pond <0.010 2.80 MW03-50 08/13/2018 Southwest corner of ERB Pond <0.010 0.760 MW04-50 08/13/2018 Hank Monk side of ERB <0.010 0.054 MW07-50 08/13/2018 North side of ERB Pond <0.020 0.436 r, MW08-25 08/13/2018 South of Pond 1 <0.020 <0.020 MW11 08/15/2018 North of Biosolids building <0.010 0.058 MW12 08/15/2018 South of Biosolids Building <0.020 2.76 MW13 08/15/2018 South of Pond 2 along HVC <0.020 3.68 SW-01 07/10/2018 Carson River Woodfords 0.033 0.012 <0.020 0.124 <0.010 0.012 0.112 08/07/2018 Carson River Woodfords 0.038 0.014 <0.020 0.062 <0.010 0.014 <0.050 09/05/2018 Carson River Woodfords 0.024 0.011 <0.020 0.053 <0.005 0.010 <0.050 SW-02 07/10/2018 Indian Creek Upper 0.030 0.013 <0.020 0.183 <0.010 <0.010 0.183 08/07/2018 Indian Creek Upper 0.056 0.025 <0.020 0.228 <0.010 <0.010 0.228 09/05/2018 Indian Creek Upper 0.047 0.015 <0.020 0.123 <0.005 0.0050 0.118 SW-03 07/10/2018 Indian Creek Mid 0.089 0.025 <0.020 0.276 <0.010 0.029 0.247 08/07/2018 Indian Creek Mid 0.078 0.030 <0.020 0.103 <0.010 0.048 0.055 09/05/2018 Indian Creek Mid 0.105 0.031 0.023 0.206 <0.005 0.041 0.165 SW-04 07/10/2018 Indian Creek Lower 0.114 0.023 <0.020 0.463 <0.010 0.067 0.396 08/07/2018 Indian Creek Lower 0.335 0.121 <0.020 0.887 <0.010 0.046 0.841 09/05/2018 Indian Creek Lower 0.105 0.068 <0.020 0.309 0.0060 0.035 0.268 SW-05 07/10/2018 Carson River Paynesville 0.036 ' <0010 <0.020 0.147 <0.010 0.016 0.131 08/07/2018 Carson River Paynesville 0.033 0.022 <0.020 • 0.118 <0.010 0.015 0.103 09/05/2018 Carson River Paynesville 0.027 <0.010 <0.020 0.095 0.0060 0.024 0.065 SW-06 07/10/2018 Carson River Stateline 0.035 <0.010 <0.020 0.237 <0.010 0.097 0.140 08/07/2018 Carson River Stateline 0.023 0.012 <0.020 0.201 <0.010 0.073 0.128 09/05/2018 Carson River Stateline 0.023 <0.010 <0.020 0.147 <0.005 0.067 0.080 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 1 Alpine County Summary Report BOD' Ca Mg Na K SAR %Na ACMW-01AW 08/06/2018 Main Dam ! 8.27 2.35 4.68 <1 ACMW-01 BE 08/06/2018 Secondary Dam 8.76 3.68 5.94 <1 ACMW-02N 08/06/2018 Access Gate 15.1 6.28 • 7.76 0.998 ACMW-025 '08/06/2018 Access Gate 11.6 2.55 6.63 1.88 ACMW-04W 08/02/2018 Gansberg 10.1 2.24 23.4 2.66 ACMW-06S 08/06/2018 Celio 60.5 23.0 30.9 6.94 ACMW-08N 08/29/2018 Diamond Valley Ranch 16.7 5.58 10.6 1.58 ACMW-09D 09/18/2018 Diamond Valley Ranch 6.56 1.68 7.94 <1 ACMW-10 09/18/2018 Diamond Valley Ranch 19.6 5.49 8.28 <1 ACMW-11 09/18/2018 Diamond Valley Ranch 10.6 2.98 5.42 1.16 ACMW-12 08/29/2018 Diamond Valley Ranch 11.4 3.19 4.26 1.09 ACMW-13 08/29/2018 Diamond Valley Ranch 13.4 4.16 6.71 2.47 ACMW-14 09/18/2018 Diamond Valley Ranch 7.27 2.30 4.96 <1 ACMW-15 09/20/2018 Diamond Valley Ranch 7.25 1.68 3.63 <1 ACMW-16 09/20/2018 Diamond Valley Ranch 12.1 3.29 6.22 4.04 ACMW-17 09/20/2018 Diamond Valley Ranch 8.15 2.25 4.58 1.00 ACMW-18 09/20/2018 Diamond Valley Ranch 8.55 2.22 3.75 <1 ACMW-19 09/20/2018 Diamond Valley Ranch 22.8 6.77 10.8 1.54 ACMW-20 08/29/2018 Diamond Valley Rd- 7.61 1.87 5.19 1.94 Paynesville ACMW-21 08/14/2018 River Ranch Rd 13.8 3.60 14.0 2.26 ACMW-22 08/14/2018 Fredericksburg Ln 10.4 2.30 5.18 2.21 ACMW-23 08/14/2018 Scott Brooke's Ranch by 32.6 13.6 32.3 4.27 Irrigation Ditch ACMW-24 08/14/2018 Scott Brooke's Ranch by 49.6 21.8 46.2 3.36 Irrigation Ditch ACMW-25 08/14/2018 Access road between -13.1 4.26 12.5 3.23 Neddenriep&Brooke ranches ACMW-26 08/14/2018 Access road between 11.9 3.52 18.2 4.15 Neddenriep&Brooke ranches GW-05 09/18/2018 Neddenriep 17.5 5.45 22.0 3.07 GW-08 09/18/2018 Arant Ranch house 15.5 5.10 34.6 3.47 GW-11 08/29/2018 Diamond Valley School 13.4 4.80 9.00 1.31 GW-17 ' 08/29/2018 Diamond Valley Ranch House 12.8 3.48 9.52 1.48 Well HPR 07/10/2018 Harvey Place Reservoir NV 19.5 4.68 49.5 11.3 2.61 56.6 07/19/2018 Harvey Place Reservoir 10.3 08/07/2018 Harvey Place Reservoir 8.43 19.5 4.61 51.2 11.9 2.71 57.3 09/05/2018 Harvey Place Reservoir NV 20.2 4.76 54.6 12.8 2.84 57.9 09/18/2018 Harvey Place Reservoir 17.9 Results resported as mg/L except EC as uS/cm Turbidity as NTU Colifoms as MPN/100mL • Temp as C NC=Not counted Page 5 of 8 , Alpine County Summary Report Total E.Coll Coliform Chromo Chronio ACMW-01AW 08/06/2018 Main Dam <1 <1 ACMW-01 BE 08/06/2018 Secondary Dam <1 <1 ACMW-02N 08/06/2018 Access Gate 7.4 <1 ACMW-02S 08/06/2018 Access Gate 88.2 7.4 • ACMW-04W 08/02/2018 Gansberg 4.1 <1 ACMW-06S 08/06/2018 Celio 13.4 <1 ACMW-08N 08/29/2018 Diamond Valley Ranch 260.2 <1 ACMW-09D 09/18/2018 Diamond Valley Ranch 2.0 <1 ACMW-10 09/18/2018 Diamond Valley Ranch <1 <1 ACMW-11 09/18/2018 Diamond Valley Ranch <1 <1 1 ACMW-12 08/29/2018 Diamond Valley Ranch <1 <1 ACMW-13 08/29/2018 Diamond Valley Ranch <1 <1 ACMW-14 09/18/2018 Diamond Valley Ranch 4.1 <1 ACMW-15 09/20/2018 Diamond Valley Ranch 2.0 <1 ACMW-16 09/20/2018 Diamond Valley Ranch <1 <1 ACMW-17 09/20/2018 Diamond Valley Ranch <1 <1 ACMW-18 09/20/2018 Diamond Valley Ranch 32.7 <1 ACMW-19 09/20/2018 Diamond Valley Ranch <1 <1 ACMW-20 08/29/2018 Diamond Valley Rd- <1 <1 Paynesville ACMW-21 08/14/2018 River Ranch Rd 28.2 1.0 ACMW-22 08/14/2018 Fredericksburg Ln <1 <1 ACMW-23 08/14/2018 Scott Brooke's Ranch by <1 <1 Irrigation Ditch ACMW-24 08/14/2018 Scott Brooke's Ranch by <1 <1 Irrigation Ditch ACMW-25 08/14/2018 Access road between 3.1 <1 Neddenriep&Brooke ranches ACMW-26 08/14/2018 Access road between <1 <1 Neddenriep&Brooke ranches GW-05 09/18/2018 Neddenriep <1 <1 GW-08 09/18/2018 Arant Ranch house <1 <1 GW-11 08/29/2018 Diamond Valley School ` <1 <1 GW-17 08/29/2018 Diamond Valley Ranch House <1 <1 Well NPR 07/10/2018 Harvey Place Reservoir 4960 12.1 08/07/2018 Harvey Place Reservoir 5860 7.4 , 09/05/2018 Harvey Place Reservoir 137.4 <1 SW-01 07/10/2018 Carson River Woodfords 328.2 5.2 08/07/2018 Carson River Woodfords 2530 14.6 09/05/2018 Carson River Woodfords 461.1 3.1 Results resported as mg/L except EC as uS/cm Turbidity as NTU Colifoms as MPN/100mL Temp as C . NC=Not counted Page 6 of 8 Alpine County Summary Report Total E.Coli Coliform Chromo Chromo SW-02 07/10/2018 Indian Creek Upper 1046.2 105.0 08/07/2018 Indian Creek Upper 1203.3 27.8 09/05/2018 Indian Creek Upper 1354 58.6 SW-03 07/10/2018 Indian Creek Mid 13340 7980 08/07/2018 Indian Creek Mid 24810 1750 09/05/2018 Indian Creek Mid 3880 1580 SW-04 07/10/2018 Indian Creek Lower 17220 1580 08/07/2018 Indian Creek Lower 36540 7120 09/05/2018 Indian Creek Lower 1970 727.0 SW-05 07/10/2018 I Carson River Paynesville 3590 218.7 08/07/2018 Carson River Paynesville >241920 >241920 09/05/2018 Carson River Paynesville 2590 . 325.5 SW-06 07/10/2018 Carson River Stateline 7940 365.4 08/07/2018 Carson River Stateline 2850 42.8 09/05/2018 Carson River Stateline 1553.1 90.7 Results resported as mg/L except EC as uS/cm Turbidity as NTU Colifoms as MPN/100mL Temp as C NC=Not counted Page 7 of 8 Alpine County Summary Report Colonies Colonies Filaments Filaments Filaments Filament Single # #Cells #Multi- #Cells #Single- Length Cells Celled Celled DD-01 08/27/2018 Diamond Ditch @ Beginning 18 ND ND ND ND ND ND HPR 07/10/2018 Harvey Place Reservoir 72 ND ND ND ND ND ND 08/27/2018 Harvey Place Reservoir 30 ND ND ND ND ND ND 09/05/2018 Harvey Place Reservoir 18 ND ND ND ND ND ND 09/18/2018 Harvey Place Reservoir 18 ND ND ND ND ND ND Results resported as mg/L except EC as uS/cm Turbidity as NTU Colifoms as MPN/100mL Temp as C NC=Not counted Page 8 of 8 Page 1 of 1 Monitoring Wells Groundwater Elevation Sample Depth Ref GW Site Location Date Hr ID# to GW MSL MSL ACMW-01AW Main Dam 08/06/2018 10:58 AG62644 7.09 5493.13 5,486.04 ACMW-01 BE • Secondary Dam 08/06/2018 10:05 AG62645 9.00 5503.55 5,494.55 ACMW-02N Access Gate 08/06/2018 11:44 AG62646 6.86 5469.70 5,462.84 ACMW-02S Access Gate 08/06/2018 11:21 AG62647 6.58 5471.60 5,465.02 ACMW-04W Gansberg 08/02/2018 09:49 AG62612 9.60 4919.89 4,910.29 ACMW-06S Celio 08/06/2018 12:30 •AG62648 16.21 5223.50 5,207.29 ACMW-08N Diamond Valley Ranch 08/29/2018 12:17 AG63055 3.83 5464.45 5,460.62 ACMW-09D Diamond Valley Ranch 09/18/2018 10:15 AG63338 12.50 5510.56 5,498.06 ACMW-10 Diamond Valley Ranch 09/18/2018 10:38 AG63339 8.70 5534.19 5,525.49 ACMW-11 Diamond Valley Ranch 09/18/2018 11:18 AG63340 14.20 5503.01 5,488.81 ACMW-12 Diamond Valley Ranch 08/29/2018 11:28 AG63056 29.03 5525.04 5,496.01 ACMW-13 Diamond Valley Ranch 08/29/2018 10:58 AG63057 11.84 5554.55 1 5,542.71 ACMW-14 Diamond Valley Ranch 09/18/2018 11:56 AG63341 11.50 5547.20 5,535.70 ACMW-15 Diamond Valley Ranch 09/20/2018 09:59 AG63371 11.92 5500.60 5,488.68 ACMW-16 Diamond Valley Ranch 09/20/2018 10:23 AG63372 8.64 5484.53 5,475.89 ACMW-17 Diamond Valley Ranch 09/20/2018 10:47 AG63373 14.01 5504.92 5,490.91 ACMW-18 Diamond Valley Ranch 09/20/2018 11:27 AG63374 8.52 5470.56 5,462.04 ACMW-19 Diamond Valley Ranch 09/20/2018 12:11 AG63375 7.63 5417.25 5,409.62 ACMW-20 Diamond Valley Rd-Paynesville 08/29/2018 12:48 AG63058 11.55 5090.30 5,078.75 ACMW-21 River Ranch Rd 08/14/2018 09:26 AG62802 19.05 5011.33 4,992.28 ACMW-22 Fredericksburg Ln 08/14/2018 09:59 AG62803 32.38 5019.28 4,986.90 ACMW-23 Scott Brooke's Ranch by Irrigation 08/14/2018 12:04 AG62804 31.70 4978.35 4,946.65. Ditch ACMW-24 Scott Brooke's Ranch by Irrigation 08/14/2018 12:32 AG62805 26.37 4953.25 4,926.88 Ditch ACMW-25 Access road between Neddenriep& 08/14/2018 10:29 AG62806 20.11 4942.24 4,922.13 Brooke ranches ACMW-26 Access road between Neddenriep& 08/14/2018 10:52 AG62807 18.42 4895.60 4,877.18 Brooke ranches CONTROL East side near Post Office 08/13/2018 10:32 AG62780 61.52 6345.20 6,283.68 MW01_5 SW corner of ERB 08/13/2018 11:45 AG62781 58.89 6328.00 6,269.11 MW02-50 South side of ERB Pond 08/13/2018 10:58 AG62782 45.64 6314.60 6,268.96 MW03-50 Southwest corner of ERB Pond 08/13/2018 11:22 AG62783 41.27 6310.10 6,268.83 MW04-50 Hank Monk side of ERB 08/13/2018 14:56 AG62784 33.86 6304.40 6,270.54 MW07-50 North side of ERB Pond 08/13/2018 12:20 AG62785 22.33 6302.20 6,279.87 MW08-25 South of Pond 1 08/13/2018 15:27 AG62786 11.63 6258.30 6,246.67 MW11 North of Biosolids building 08/15/2018 11:11 AG62832 26.96 6296.00 6,269.04 MW12 South of Biosolids Building 08/15/2018 10:48 AG62833 22.74 6288.80 6,266.06 MW13 South of Pond 2 along HVC 08/15/2018 10:18 AG62834 6.99 6263.40 6,256.41 Alpine County Soils pH EC %Sat TKN NO3-N Total P Exch P SO4 CI S2A Celio Ranch 08/15/2018 7.99 3.75 65.9 3520 7.69 426 10.3 24 1150 S3A Bently Ranch 08/15/2018 6.09 0.686 37.7 2000 1.94 607 9.70 125 275 S4A Gansberg Ranch 08/15/2018 7.64 1.39 38.3 2490 5.24 919 8.05 60 425 S5A Gansberg Ranch 08/15/2018 5.81 0.465 32.1 1960 6.27 242 6.60 40 250 S6A Neddenriep Ranch 08/15/2018 6.85 0.550 30.1 2000 8.28 122 31.4 23 325 S7A Bruns Ranch 08/15/2018 5.59 0.500 33.4 2130 7.50 552 13.1 22 225 CEC Cu Mo K Ca Mg Na SAR %Na S2A Celio Ranch 08/15/2018 23.8 22.5 0.04 5336 105 50.6 216 4.33 4.77 S3A Bently Ranch 08/15/2018 21.6 14.1 0.05 3329 40.5 13.3 34.6 1.21 <1 S4A Gansberg Ranch 08/15/2018 17.4 17.9 0.06 1807 54.1 14.2 81.1 2.54 2.36 S5A Gansberg Ranch 08/15/2018 ,17.2 19.8 0.06 6943 33.8 6.16 23.5 0.980 <1 S6A Neddenriep Ranch 08/15/2018 21.8 16.9 0.04 4050 37.2 7.81 22.4 0.870 <1 S7A Bruns Ranch 08/15/2018 18.7 29.2 0.05 6584 43.9 9.84 8.92 0.320 <1 Page of Sample Comments Site • Date Time Comments HPR 07/19/2018 11:14 Repeat sample for BOD only HPR 08/27/2018 11:35 Cyanobacteria Site HPR-CB01 HVC-2 09/28/2018 14:59 No flow. HVC-3 09/28/2018 15:05 No flow. HVC-5 07/25/2018 09:57 No flow. Dry. HVC-5 08/21/2018 13:33 No flow. Dry. HVC-5 09/28/2018 15:04 No flow. SW-07 07/10/2018 14:1.2 Dry. SW-07 08/07/2018 13:35 Dry. SW-07 09/05/2018 11:40 Dry. SW-08 07/10/2018 14:23 Dry SW-08 08/07/2018 13:46 Dry. SW-08 09/05/2018 12:39 Dry. 1 SOUTH TAHOE PUBLIC UTILITY DISTRICT Date: -' I.5 1 EMERGENCY ;' OND-MW FIELD MONITORING RECORD Samplers: • „ C SL(,.„ Purpose: I �l _ .. Preservative Std Check li Depth to Well Water Calc Actual i;. Well Casing Depth to Column Water to Water 0 �.. M Temp EG Bottom Diameter GW Height Purge Purged o O� z 5. Site ID# Time C pH pS/cm ft inch ft ft Gallons Gallons , w = y u .H EC COMMENTS I AGLICONTROL ( (0t' 6461147 •0.90 � �� ----- 1 ft 65.80 A662/3;' IN'S 00 /11111111111 50 3i.,; ;i X0.90qs-- If* .r7^;�'•r 0 �' A6627 72 LI(,Z4 MW03-50 50.80 2 l., MW04-50 hA6627;!;,, 111 (01 (' to ;; 51.00 2 C IIIIIIIIIII is - i_. 1,111A, dv‘J 6(1) ° MV1107-So r� 9�y IVO (( + X2.3 30.5 � ) R , i je, , 52.60 2 �" W08 25 Kal. - i P ,( . ,� - 20.60 2 (13 - 5-- ,_. (......., , (,) 11 t Sck eL MW11 619 '. 41.0 "I% iliti III 1111111I1 Al '4' ,i MW12 Iii 31.50 2 11111111 MW13 .{ 14.40 2 111111111 ��ur. -_ I -,,,,-A''' ;MAR t,, ,.kyr �"Ri.'�?�uT'v�s�`!P"e� �$ AP/1- ? 1'1 ' erj er ? � [f J inn's_ Trip muoll`� 6(65 �1 {' Ssii`''t.;.,: 4 :4,4n M? �G'r� 4: R.tt 7`"ij� 1' ` , BIi'� . 'l,, a K�i'!.t a` f •}+'¢7w C y --1� �l 1 •y` �"� .S�p��''��,} i�t`ai � 4 r{��ti�t t �.,�y�,�+�.�t. I,� -i�tiu : ,s -� ��t�"=15� i''a"'�'rf' �hK•Z Yr tT>� "�.'or„slap 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 he �t have been flushed and Temperature,pH,and EC measurements Gallons to flush=0.17 x water column height(ft) igh pH Std Check us- a 7.00 buffer.pH meter must be re- have stabilized to approximately±5%for each successive Water column height=depth of well-water level standardized if rest It exceeds 7.00±0.05.EC Std Check uses a 200 1.1S/cm andard measurement taken in intervals>_5 minutes. for 50'well*lose water level is 35 feet from ground level: wh V1rter column height=50'-35'=15' t:. File:D:1Leb\Forms\Field Sheets\Field ERB.doc ?` 11/8/2012 Flushing Record Date: 0 .......;.. (OA, lean s e t d lush. a I, e. ( , (025 f t � z� 10-50 1 3 .. 0,5' , per_ Abu-02_ ((fi 3 3 rZ-5 6-.16 :3 0-5- 74,5-0 PeA JL ( 3 6 3 Rh) (13 1 n 3 .15-- S :( (15-i illq 3, c-- (0, (2 6-01/ 5113.3 .171 G J iite it) (//10 S 16„ 1 1/34 • • 11415— S ?,(A 11- —2-- 7,7 6isi /q3 i(c6p . i-L06; 6 -. 7) .g GIs-H(6s -611 d ilic k 9 ) i\toiti4 • 17,10 (7._ /({)-- 46:0 • _ r c C 0, 7— .6. 11 V y � III - !""��-, � _ .,-�•.-�._ (11LA)- - 1 C. 1514 3 `( (Q4? '"T1- ,. ., • 15- 1 ? 5— 0,:"4 Note:Temp,pH,EC must stabilize±5%for successive measurements taken in intervals>5 minutes. ):\Lab\Forms\Field Sheets\Monitor Well_Flushing_Record.doc SOUTH TAHOE PUBLIC UTILITY DISTRICT Date: (O l IS/18 EMERGENCY POND MW FIELD MONITORING RECORD Samplers: . .ui- Purpose: \' Preservative Std Check Depth to Well Water Calc Actual Well Casing Depth to Column Water to Water m �, Temp EC Bottom Diameter GW Height Purge Purged v 'L (9 O Q Slte l D# Time °C pH pS/cm _ ft inch ft ft Gallons Gallons _ _ _ O pH EC COMMENTS CONTROL 1 80.90 2 MW1 .5 65.80 2 • MWO2-50 50.90 2 MWO3-50 50.80 2 MWO45O 51.00 2 MWO7-50 52.60 2 . , MWO8-25 20.60 2 1k �iC MWIIA11 ( � ,l � � f�� 2a t � v� 41.0 2 1647"/ MW12 (01.-z !2iS (Pc-/ 411 31.50 2 22t74 g:M9mS 7.oA662825 MWI3 i0,1 7� i tcs-7 ( h2-ig (,‹ 14.40 2 �®�� 1 Trip Blank - _ .Groundwater samples shall be collected only after>_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' File:D:1Lab\Forms\Field Sheets/Field ERB.doc 10/14/2015 Flushing Record Date:t' \ k • :..:...:.:.. ..:... . . ...::: ..:....,..::..:..:.. .:........ ......:,:.: r r. n w i b�i .,.�ea�q'• 5 .,.. 4-Vigt 2 It V‘S7 /0101t) Storrt 061,6-(0 I00Od iciSo . Acir eycl ton 1000 12, ,o q. &.n (oS a 10 IS - .91 ifS1 ID 1 Q 2 10.4 7,S°1 loS1 M I t) 3 13,5 le,E2, 3 ITA1{4- 1°30 "°.-S zg 1,0„.51 c t voeu rV qX45 104'6 i - (o�o l3,0 6 ,sio 47 (04c„ t 7 7.0 S It'CI 4� _1\0 1\ .1(01 2_• + 1/4 _ titM 1oLo 01 i is 10 to,i i y • I M Note:Temp,pH,EC must stabilize±5%for successive measurements taken in intervals>_5 minutes. ):\Lab\Forms\Field Sheets\Monitor Well_Flushing_Record.doc ,/ SOUTH TAHOE PUBLIC UTILITY pISTRICT Date: , , i6 / ACMW FIELD MONITORING RECORD Samplers: eitioolt,- d(o13 (t2Locvif / ikt ilti-vit,.1:1 Purpose: Preservative Std Check Depth to Well Water Calc Actual Depth Well Casing Column Water to Water to GW Temp_ c., EC Bottom Diameter Height Purge Purged 0 ._-- H2SO40 < Site ID# Time ft °C pH pS/cm ft inch ft , z o Gallons Gallons ,,.° .2" pH= i > 1 pH EC COMMENTS t.,,Ci ULU,4,4 ' i06g 1 C'el 12,—(0- (s,111651 .1,a ACMW-01 AW , 22.6 2 _ . 1 ACMW-01BE , A U LP L UA'r) ! 1005 1 0 ,4, 23.8 2 11,b 2 5.- • Rt)t 40'4'0 WM (DP IL" i 4 171 4, ACMW-02N 34.1 2 ,2-7 . . , Acti-hi,7 hUUL,Vst; ' )1)--1 6 52 - _31, 014,,,,d ACMW-02S ,, lAi -qc, '0, ioq 21.9 , 2 7 , . . ACMW-04W Ocficlito0 29.0 2 ,.6 4 e.- l,k / . - / : MOULtI,I 0 1,12 Gal . /22A PI,1-1 ACMW-06S flikik 29.9 2 N4,1 '14 - - ------' . . Trip Blank 01.5-- 1 . . . . oc . ,,,,,,K4,-,,p,,,a,Ftta#4,4,,,,,,,Tovi,014-4,,,,iin.MeslIt KAIOLE LUVEg0,_rlg ltii,51:141113 0 gicerIC 14.--iti MU If24 ilillinnialangial Temperature of Control l'Ugg'i:40 ARWIW W.'4,-g,igw-VOW'-'cittili's,,,-A4R0,1-1-7-,,zt-'-',WT'Arr*,"PR':6:41'W 14'-4g,',$.414V Wirt Ve,:71 tt-`4,5,,C,ggij::,!1,07 KM A4,1i,.1“,..44144VA 51*-005,40:4',-tglk,nia,W03-0.ASPAIgi, when samples received 5-) g„,,i.ittim,0*,,,,,,,,44.‘rpr,a,,a.,I,,t;',"*z,*t'f.P-,,,,kliilzAtV1,4*:,,e0-4-0_1k_gilk:h-,-41.fr,,,tztio,paINKI,t',--tli kre4 rz,i-te,'to*pNti VR,_.!,*friZin iiiiik*CO-4:41M-0',4,aaMtlaVat::<0,- at Lab , , ,,igss,,,-,:ioicw.:64,-A,,,„,mk,--„,,,,,,v,,mr,:wwwitom, ,,,,, ,wst-.4:x ow-44,421Nwt.v.it fmtp4f.,:,,,,,,i"Stwo\-7,:4,0,;i5,,,,,,mut via!:,klpi:twt m;V:Igkopg0;;Lti•5-.7,6,-,5,P,Womvoz:if.:02P,fs!,,i,--A,ma* Groundwater samples shall be collected only after-•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 50well whose water level is 35 feet from ground level: Water column height=50'-35'=15' 1 mion, flAl oh1Fru-mc,Pim.Choot,Pi.,AlIMA/dr.., I Flushing Record Date: • '0,,,,C.4,,,fa,VISOLitifir,tr:irq,#),,,i114:,„,,,Iii,40:1-?:,,,,,V,L:,-VOW:kV,atON,WWEtfOratehipAgETRAR,i-g5:V:Ite:410115,21"110,VATIVONOtt 009:04PaittaMet011igr,d, 4,,,,,,i,,,,,,,p-w-,---4-,,r-.::7-.,V,,,,..,•,,,--,,,,t,,y:Y'i, ,,,,t,R,,,,,,,I, ...,:lk,,,,,),,,,,,k**, tir, ,,,, ,,,v,--#-„,,,F74,,....., ,o,,-,-,,.,:-,T,4, , ,v,,,,,o,,,,A:we:GIS tq,:qt,I,a4r4*;r0-Qe:Ala1IY!,,r1-,tkujtAiv,w4a#91Vai.,:ti,nici, 09.4 ,A Wleiltg:?,-Atetritga-ParitlailtitOaltii.30001.tera,66 IlsilAIMOAMiatt,.".tbliiita.'iiiMilti,:iii'lgititt-lt 4,4,?de.iiWittar,A# &CAI ' i AN4\14 -6 ,i - lAiukk - . , . ()lit 1 TrO i 3,2,, G,;Lb TiA . 't 5.- 1 3: o 0 iqo . . . _ . . A,\ '3 i 0 0 5- -?, 0 q.3 G t i - . • . . AI . 5-11141. &-i 1 t.,0iff. :‘,,,,,..rz fat! 0 Zs 10 si- /051 1053 q 0 tat )65 . 11, 2 12, 111 rt,6. • . . 4 . . 1-Ct41,4-0 aS tit( • S6/,1-te-01- . I i 107- e2(.1 tC a 1 '— ° K)11' • . . --G--- ---------tt 0 I( 5'.'S.C) 1 08 • --- - .. , 6,o fit,tir .6,.0 /3 Z. . . . . W,11 8 i 2- [qt 6p 1,2,6? , . A.Ciwt, -" 110 q II t 3 ir,iNtt 7fif • laza . 3,8' • ii,3 '7,1•R/ 60.3 )23,g IA. .,57 14).4 "7„2-e 6o2: .. • . . • . . . . • _ . • Note:Temp,pH,EC must stabilize±5%for successive measurements taken in intervals>5 minutes. Group 2 SOUTH TAHOE PUBLIC UTILITY DISTRICT Date: CA - l`-(- ( ' ACMW FIELD MONITORING RECORD Samplers: Dr/fr2 / ,,,/ 1 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 U .a--; H2SO4 0 d Site ID# Time ft °C pH pS/cm ft Inch ft ft Gallons pH= = o pH EC COMMENTS 7 . AGoL6u,0 yj / . ACMW-21 ',r� 1111 • i 30.0 2 �e 3,22t ��« o On River Ranch Rd,East side of Hwy 88 1 A u - /. PG62''',01,. 3Z 3g F 6- i ACMW-22 6'151 2. .i'L 1 ; ITtor tts5 59.5 2 On Fredericksburg Lane,near S7 1166? X10'4 . i ' ACMW-23 il.„bt ct.i0 ,1 (pAl lit 50.0 2 Tilt '"'',1(i Upstream of SW-15 A662 rV( ACMW-24a = L 2-b,63 -, 50.0 2 t `� '•ItgJ , •� t,,,b Downstream of SW-15 Behind Neddenriep's on Westside Lane; ACMW-25 '� ill ,3 . 22til‘ dirt rd between Hwy 88 and Carson River V/ . , , AC�MW-26 A662R07 lN'',I (9,„030 0 211:)! fl,, '�' (. 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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' D:\Lab\Forms\Field Sheets\Field ACMW-20_to_26.doc r 9/20/2017 Flushing Record Date: .10 c,P4!AI- MCP16-- N2.1. Gs— 11„ 7 /7,7 CX/62,1,4) /3-'0 ii,o 6.ela- 172- 4-01011- 2-Z- (7)q 61( 3.0 5'39 /C17( • 0615q S1.2_3 5.s"--Li tos- -11-CR littO ?ktly ket $ 1 sU IG Atki Ti-Ar44 (of' (;‘.5-- ..oLf )79- . tkc,144 .(ki,r) • , SirOtH [15-1 6.5— ICQ 7Q3 3.7.13 12,01ILO 152 ('- ).9(' RCM vi 7Pf [2-2-3 • 13-...13NP41-;,;t1tild.i' c34 .v tP.;15- 50 jLt5 2q 6571• 16(.1 ,30 • Note:Temp,pH;EC must stabilize±5%for successive measurements taken in intervals 5 minutes. ):\Lab\Forms\Field Sheets\Monkr_Well_Flushing_Record.doc Group 3 ,.... , . ,, ., ..„, SOUTH TAHOE PUBLIC UTILITY DISTRICT Date: '-' - 4-11 I 0 , ACMW FIELD MONITORING RECORD Samplers: 5 ci 4A1 ./ .,., Purpose: i • 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 0 'E" H,SO4 2 .;t, . 0 COMMENTS EC Site . ID# Time ft oc pH pS/cm ft Inch ft Gallons Gallons pH_ , co pH= i 5 RG63055 ' 12-11 1r) )312' (9,11 1-7g q, -- 70.1 2 (02,1 1134 lico 6teosttk-1N AC MW-08 N . , 1 AV;-.-f-: ifec.,7 L q.o (,(0 1.‘66 iv i-i) ' ti 21 Ie 7> 131 6‘4.5- [().-1 AGMW-1 2 1.0 73.5. 2 ... . i i locg . 1)r-ii ACMW1 3 ijoy44_ 11 igif 1g— 20.0 2 c 77-r 19-57 //go 6s----:- Ito I - .„./.,1, 14( • , firtillf;:f,1 AC MW-20 1/1 l-b- g57if, 21.5 2 10 to0 1.(i 1 On diamond Valley Rd near SW-05 • It CO A663059 ' -S1 (041' I 9'5- GW-1 1 - " . _ il-7Ii 0 •ii6 ‘kri i-f.Z. GW-1 7 1 ..„.„. „.. ,-..sq Ab6,500 1 i "i&O 1.CP Trip Blank _ . . - ,-,-- : . 11 , 1111 - -,---,,,,,,..,,,..,-,,,,,,,,,,,,i,,,,,,,,,r,,,,,,,,,„„,„,,,,,,„.,-,,7,,':‘ ,,,:e. .'-,..‘..A yo,;;f:,.;,-s;:k,vp:oix Temperature of Control ' initial ,, . '-: :,.':t.:,!,-. ::,,, -::-:7:-.--'-,,rE,,::::::;,,n'',"t--',",:':•-g'e!';',-,j,.- csg):,..ig-giag:FIR.''-:-. 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Water column height=50'-35'=15' 9/20/201-, DALab\Forms\Field Sheets\Field ACMW-Group_3.doc Flushinv Record Date: O2-(i/-/IFF . . . ..„ . . OS::; Well , , : ITime Flushed Flushed -±5% ; kcr1iJ l? 011',. /3,if 14- ,. 9-- 105-3 570 a.& ii, 11351) HA5-- 6, 5- "z.kt ji km 1,t)- i I 7-0 1MO Og if( 22' ‘1„0 13.1 tb- 107 424 1 1,1) 'F? 1101 3 13- f 3-41 1t12 If 13- 3 G. 66 (114 13 I eg 13.7- G 1,-41 404w- w 123,(0 /21./2_ 2O. Is PI(N IS • Note:Temp,pH,EC must stabilize±5°(?:for successive measurements taken in intervals>5 minutes. ):ILablFormS1Fieiri ShAAt,UAnnifelr Group 4 SOUTH TAHOE PUBLIC UTILITY DISTRICT , o / /6 1 Date: Pg' ACMW FIELD MONITORING RECORD Samplers: , , Purpose: rt,i-/,,,,; -1,..; Depth to Well Water Calc Actual Preservative Std Check Depth Well Casing Column Water to Water 112 to GW Temp EC Bottom Diameter Height Purge Purged 0 -sss H2S0, c5 < Site ID# Time ft °C pH pS/cm ft Inch ft Gallons Gallons , (7) pH= E c; pH EC COMMENTS A663T)q ACMW-09D (003-- 2 '6" 6 /1 $ , JJ,,, ) k ill- i) S.'0 45.1 2 , /7.5' 2„ I Lit) g 1--sfr ACMW-10 , . , . , , , j 4 7 • i, ' 04 , 0 '---- OS- __I A66311'' ft q q )3 e`i i 3ity 38.5 2 2c2i-- i'S 4----- il , / 1 ,,, ACMW-11 - AGo3i,,,) , 111 /1.:111,,-- 1 )tiit 6:2,)1 2.7,„t, 111 , ,s ,i." i i - 33.5 2 - . ACM W14 Ar'6311-1 — _..... - -'4 4 ' ' 01, (-3, 1'3' 5'51'5 2 -1-3 '71'5 30.0 2 . . 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Water column height=50'-35'=15' DALabTormsTield SheetsTield ACMW-Group_4.doc Flush inc Record Date: . .,.::......:....... ... .......:....:.:.:::.:::..:: ,.+:....:.: ' •i i•�±n<'i •'v. r. Q II Frn t I:.: :a s , ¢¢ Pi;Vit; ' ' ;' c `, " n `` t (,L fr.t. �,a Y� � � �J 6/ � Y' t?0-0 (Z, cz, 3 4 /o 13 6,11 s3, r y 13, s. bcc4 ./ 110 cc; z:?,a1 tr; I, )R 1 .` - ;4 I!* °6 4 6 + 1),N, n r3 tt7.. C ,G a s r. c • J , 7 I _ Note:Temp,pH,EC must stabilize±5%for successive measurements taken in intervals>5 minutes. ):ILab\Forms\Field Sheets\Monitor_Well_Flushing_Record.doc Group 5 SOUTH TAHOE PUBLIC UTILITY DISTRICT . Date: 0 . ACMW FIELD MONITORING RECORD Samplers: L)(-rs--1 D---r , ..A . 4.. co 07,1,z)--10 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 0 •Fr-,,FI2SO4 (17 8 COMMENTS _ Site ID# Time ft °C pH pS/cm ft Inch ft Gallons Gallons °., (,) I pH= x > ____IDH_EC 7 0633, r OgS1 !IV. 1/,, b '3 ,,..i i. AC MW-15 Ai29.5 2 11°Lo ---) ACMW-16 A66372 102-3 g.(04, lb. 2PI rdp 29.0 2 ii 2.0}9(o g\T 17"--- Ar.40-cy:9- ' PikyuJ,3„,?-..: 2 ITAA ACMW-17 t .i6k (014 ,dc 13.6 6-61 S3' 30.0 - a - ./ p . , 11 AC MW-18 Illuaj' ' tl' b:)-7_ 13 4 il ‘ I'' I 28.0 2 VIA% ,.) 14 . , - - ... i — MUOJ,il,,' Iii\ Is 16,4:5' - t b,cd. .2,i ,Y /2// AC MW-19 20.0 2 11‘.4177, A JU,J.JI;•,), (1614 oii- / Trip Blank .._ r . Temperature of Control ' IL,i _ ogfok mtvo taggao pattieV ge--11,100,14”giVailor:-4 vetw,.?P wo-tweiti',,,wA;IN Rs 0-:,s-i,v.-%,-:::46t tOterir$,,'. :'•',..'.-:,:-.:Atapempetr..”;'-i4ic when samples received , gi,g'4,*:j'''''w'k'4pM0iA}„.m,'0''''sg'''i;WI4rP4''.0''4'-4'4,4',',,*''' Waip'A-ot'vtktloiWl,.,,.„%.$g:,p,'.s"P,,;.,.-i4-s0s,iiftY,41-4.:,,1-3,':,ki*'zW,-,0t,,,.,.,,11,‘.N..,Vft.4..:',Y a?;,i;1,,i0-t6-,3,,Ir"'4• ,,4„,Is y„:.k,1.,c:i!;,,4H-,.,.'..'4.''irp.,7,.i4'.,.,,..,.V-,'-...,.*,-,.,.--,,:.'_”.;,'4',,<,',4,•,-.-'.-,;'—:'-'t 4+4tkAc,-. ',.'.,W:-.---'ig.0-1.4.".,,4gV,m,1„,.--",,.-=.,?)-,.4.-..I.,1e,-'i;,-.,.,mi4,,.,,i,,,,•"'•,f,t:-.-44--''-':,,t','-.,',.'0,''':^':,'.•,-••.I,.,L,k,..,,:,'i,,'•.,-:',,:,-'-1.g,,..-'7x'.4.,,A-,-,-,,,r',4,-,_.,P''4,,','.;.:•:.-'•'1':''-'..,'4;1''.-''.W.':c-'•4',7"4,.-„--,7',,:,',,-w:,-,,.g'7 at Lab 4-mmait,7,t,,amik,`,:,-ali:A-;',.4§.;:,40 qa141:*::4 1-widfiit:si i'A:;t,9,::.i....igi:iw,.P.1%.,t....,,,;-,':',,,..s,,54;.,,,,:,;.,4,,,,,,,-1.,.-",-,::,-,-:ti.-4;,,,,,, ,-,, .,:.•,-,!T.,f,;:.,,,z, Pt t::,..:„ i.?-14'.5.,.;;.-4-",--...a.,,:,, .4,1,,,,'„•_,,,, sr,e,..7,...c..4,Tititeb Minimum gallons to flush=1 x 7.48 x 3.14 x 0.0832x water column height pH Std Check uses a 7.00 buffer.pH meter must be re- 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' . - n41 oh1Pru-mckinlri,he,of c\rial,LI r MIAL.nrnt In 4 Ars, Flushina Record Date: "6? Minutes Gallons °C pH jiS Well Time • Ffuèhed. FlUshed . ±5% ±5% ±5% Sam'ler: Comments 035-Li 2: 311:. 61,,d (\O MJ t() Start . t tOlitb ttlta- a. 13) g 61./ Lf 6119- j3e0 6, P1/4c4A, tit\ -1-3.61- p /12:7- 11 i 111.0 ().01 ! b 1117 I /3, '4 6,21 .1<;Af,/ • I zott . • 1-2,0(c tg. 2 ' • Note:Temp,pH,EC must stabilize±5%for successive measurements taken in intervals?.5 minutes. • ):\LablFormstField Sheets1Monitor_Well_Flushing_Record.doc