Date:05-14-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:0910002SYSTEM NAME:SOUTH TAHOE PUD - MAINCOUNTY:EL DORADO 
SOURCE NO.:010SOURCE NAME:COLLEGE WELL - STANDBY RAWSOURCE CLASS:CLGRSTATUS:A



Click to hide / show columns: PS Codes | Group Name | Analyte Number | Analyte Name | Detected Level |Less Than | RL | Unit | MCL | DLR | Last Sampled | Frequency | Next Due | Notes

PS Codes Group Name Analyte Number Analyte Name Results Unit MCL DLR Last Sampled Frequency Next Due Notes
Detected Level Less Than RL
CA0910002_010_010 SECONDARY/GP-202607 1928 ALKALINITY, BICARBONATE 17.900 1.000 MG/L 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 1919 CALCIUM 5.300 0.400 MG/L 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 1929 ALKALINITY, CARBONATE 11.100 1.000 MG/L 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 1017 CHLORIDE 0.558 0.500 MG/L 500 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202507 1905 COLOR < 5.000 UNITS 15 07-13-2022 36 2025/07
CA0910002_010_010 SECONDARY/GP-202607 1022 COPPER, FREE < 50.000 UG/L 1000 50 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202307 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 07-22-2020 36 2023/07 DUE NOW
CA0910002_010_010 SECONDARY/GP-202607 1915 HARDNESS, TOTAL (AS CACO3) 13.000 0.400 MG/L 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 1021 HYDROXIDE AS CALCIUM CARBONATE < 1.000 MG/L 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 1028 IRON 62.000 10.000 UG/L 300 100 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 1031 MAGNESIUM 0.340 0.100 MG/L 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 1032 MANGANESE < 2.000 UG/L 50 20 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 1920 ODOR < 1.000 TON 3 1 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-201108 1925 PH 8.950 pH 08-20-2008 36 2011/08 DUE NOW
CA0910002_010_010 SECONDARY/GP-202607 1050 SILVER < 0.500 UG/L 100 10 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 1052 SODIUM 7.800 1.000 MG/L 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 1064 CONDUCTIVITY @ 25 C UMHOS/CM 63.300 UMHO/CM 1600 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 1055 SULFATE 2.620 0.500 MG/L 500 .5 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 1930 TDS 45.000 1.000 MG/L 1000 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 0100 TURBIDITY 0.650 0.010 NTU 5 .1 07-12-2023 36 2026/07
CA0910002_010_010 SECONDARY/GP-202607 1095 ZINC < 20.000 UG/L 5000 50 07-12-2023 36 2026/07
CA0910002_010_010 INORGANIC-202607 1002 ALUMINUM < 50.000 UG/L 1000 50 07-12-2023 36 2026/07
CA0910002_010_010 INORGANIC-202607 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 07-12-2023 36 2026/07
CA0910002_010_010 INORGANIC-202607 1005 ARSENIC < 2.000 UG/L 10 2 07-12-2023 36 2026/07
CA0910002_010_010 INORGANIC-202310 1094 ASBESTOS < 0.200 MFL 7 .2 10-27-2020 36 2023/10 DUE NOW
CA0910002_010_010 INORGANIC-202607 1010 BARIUM < 100.000 UG/L 1000 100 07-12-2023 36 2026/07
CA0910002_010_010 INORGANIC-202607 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-12-2023 36 2026/07
CA0910002_010_010 INORGANIC-202607 1015 CADMIUM < 1.000 UG/L 5 1 07-12-2023 36 2026/07
CA0910002_010_010 INORGANIC-202607 1020 CHROMIUM < 10.000 UG/L 50 10 07-12-2023 36 2026/07
CA0910002_010_010 INORGANIC-202507 1024 CYANIDE < 100.000 UG/L 150 100 07-13-2022 36 2025/07
CA0910002_010_010 INORGANIC-202607 1025 FLUORIDE 0.150 0.100 MG/L 2 .1 07-12-2023 36 2026/07
CA0910002_010_010 INORGANIC-202607 1035 MERCURY < 1.000 UG/L 2 1 07-12-2023 36 2026/07
CA0910002_010_010 INORGANIC-202607 1036 NICKEL < 10.000 UG/L 100 10 07-12-2023 36 2026/07
CA0910002_010_010 INORGANIC-202607 1039 PERCHLORATE < 2.000 UG/L 6 2 07-12-2023 36 2026/07
CA0910002_010_010 INORGANIC-202607 1045 SELENIUM < 5.000 UG/L 50 5 07-12-2023 36 2026/07
CA0910002_010_010 INORGANIC-202607 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-12-2023 36 2026/07
CA0910002_010_010 NITRATE/NITRITE-202407 1040 NITRATE 0.046 0.020 MG/L 10 .4 07-12-2023 12 2024/07
CA0910002_010_010 NITRATE/NITRITE-202607 1041 NITRITE < 0.020 MG/L 1 .4 07-12-2023 36 2026/07
CA0910002_010_010 RADIOLOGICAL-202607 4109 GROSS ALPHA PARTICLE ACTIVITY 12.000 +/- 1.760 0.768 PCI/L 15 3 07-12-2023 36 2026/07
CA0910002_010_010 RADIOLOGICAL-203107 4020 RADIUM-226 < 0.359 PCI/L 1 07-13-2022 108 2031/07
CA0910002_010_010 RADIOLOGICAL-202507 4030 RADIUM-228 < 0.647 PCI/L 1 07-13-2022 36 2025/07
CA0910002_010_010 RADIOLOGICAL-202607 4006 COMBINED URANIUM 13.000 +/- 0.000 1.000 PCI/L 20 1 07-12-2023 36 2026/07
CA0910002_010_010 REGULATED VOC-202407 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2990 BENZENE < 0.500 UG/L 1 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2996 STYRENE < 0.500 UG/L 100 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2991 TOLUENE < 0.500 UG/L 150 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED VOC-202407 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-13-2021 36 2024/07
CA0910002_010_010 REGULATED SOC-202205 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 08-06-2019 33 2022/05 DUE NOW
CA0910002_010_010 REGULATED SOC-202108 2063 2,3,7,8-TCDD < 0.005 NG/L 0.03 0.005 11-27-2018 33 2021/08 DUE NOW
CA0910002_010_010 REGULATED SOC-202408 2110 2,4,5-TP < 0.200 UG/L 50 1 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2105 2,4-D < 0.100 UG/L 70 10 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2051 LASSO (ALACHLOR) < 0.100 UG/L 2 1 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2050 ATRAZINE < 0.050 UG/L 1 .5 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2625 BENTAZON < 0.500 UG/L 18 2 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2306 BENZO(A)PYRENE < 0.020 UG/L .2 .1 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2046 CARBOFURAN < 0.500 UG/L 18 5 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2959 CHLORDANE < 0.100 UG/L .1 .1 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2031 DALAPON < 1.000 UG/L 200 10 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2035 DI(2-ETHYLHEXYL) ADIPATE < 0.600 UG/L 400 5 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2039 DI(2-ETHYLHEXYL) PHTHALATE < 0.600 UG/L 4 3 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2041 DINOSEB < 0.200 UG/L 7 2 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2032 DIQUAT < 0.400 UG/L 20 4 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2033 ENDOTHALL < 5.000 UG/L 100 45 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2005 ENDRIN < 0.100 UG/L 2 .1 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2946 ETHYLENE DIBROMIDE < 0.010 UG/L .05 .02 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2034 GLYPHOSATE < 6.000 UG/L 700 25 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2065 HEPTACHLOR < 0.010 UG/L .01 .01 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2274 HEXACHLOROBENZENE < 0.050 UG/L 1 .5 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2042 HEXACHLOROCYCLOPENTADIENE < 0.050 UG/L 50 1 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2010 BHC-GAMMA < 0.040 UG/L .2 .2 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2015 METHOXYCHLOR < 0.100 UG/L 30 10 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2626 MOLINATE < 0.100 UG/L 20 2 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2036 OXAMYL < 0.500 UG/L 50 20 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2326 PENTACHLOROPHENOL < 0.040 UG/L 1 .2 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2040 PICLORAM < 0.100 UG/L 500 1 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2383 TOTAL POLYCHLORINATED BIPHENYLS (PCB) < 0.100 UG/L .5 .5 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2037 SIMAZINE < 0.050 UG/L 4 1 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2727 THIOBENCARB (BOLERO) < 0.200 UG/L 70 1 11-16-2021 33 2024/08
CA0910002_010_010 REGULATED SOC-202408 2020 TOXAPHENE < 0.500 UG/L 3 1 11-16-2021 33 2024/08
PS Codes Group Name Analyte Number Analyte Name Detected Level Less Than RL Unit MCL DLR Last Sampled Frequency Next Due Notes

RL – Reporting Level means the level to which the laboratory reported the presence of an analyte. For radionuclides, Reporting Level is the MDA95.

DLR – Detection Limit for purposes of Reporting (DLR) means the designated minimum level at or above which any analytical finding of a contaminant in drinking water resulting from monitoring required under Chapter 15 of Title 22 shall be reported to the State Board (California Code of Regulations Section § 64400.34)

For addtional definitions, please refer to our data dictionary.