Date:06-25-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1710010SYSTEM NAME:LOWER LAKE COUNTY WATER DISTRICTCOUNTY:LAKE 
SOURCE NO.:002SOURCE NAME:COPSEY CREEK WELL 01SOURCE CLASS:CLGASTATUS: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
CA1710010_002_002 SECONDARY/GP-202611 1928 ALKALINITY, BICARBONATE 140.000 5.000 MG/L 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1919 CALCIUM 42.000 1.000 MG/L 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1929 ALKALINITY, CARBONATE < 5.000 MG/L 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1017 CHLORIDE 24.000 5.000 MG/L 500 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1905 COLOR 8.000 5.000 UNITS 15 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1022 COPPER, FREE < 50.000 UG/L 1000 50 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1915 HARDNESS, TOTAL (AS CACO3) 224.000 5.000 MG/L 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1028 IRON < 100.000 UG/L 300 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1031 MAGNESIUM 29.000 1.000 MG/L 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1032 MANGANESE < 20.000 UG/L 50 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1920 ODOR < 1.000 TON 3 1 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1925 PH 6.700 1.680 pH 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1050 SILVER < 10.000 UG/L 100 10 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1052 SODIUM 35.000 1.000 MG/L 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1064 CONDUCTIVITY @ 25 C UMHOS/CM 550.000 20.000 UMHO/CM 1600 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1055 SULFATE 73.000 5.000 MG/L 500 .5 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1930 TDS 320.000 10.000 MG/L 1000 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 0100 TURBIDITY < 0.200 NTU 5 .1 11-29-2023 36 2026/11
CA1710010_002_002 SECONDARY/GP-202611 1095 ZINC < 50.000 UG/L 5000 50 11-29-2023 36 2026/11
CA1710010_002_002 INORGANIC-202611 1002 ALUMINUM < 50.000 UG/L 1000 50 11-29-2023 36 2026/11
CA1710010_002_002 INORGANIC-202611 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 11-29-2023 36 2026/11
CA1710010_002_002 INORGANIC-202611 1005 ARSENIC < 2.000 UG/L 10 2 11-29-2023 36 2026/11
CA1710010_002_002 INORGANIC-202702 1094 ASBESTOS < 0.200 MFL 7 .2 02-28-2018 108 2027/02
CA1710010_002_002 INORGANIC-202611 1010 BARIUM < 100.000 UG/L 1000 100 11-29-2023 36 2026/11
CA1710010_002_002 INORGANIC-202611 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 11-29-2023 36 2026/11
CA1710010_002_002 INORGANIC-202611 1015 CADMIUM < 1.000 UG/L 5 1 11-29-2023 36 2026/11
CA1710010_002_002 INORGANIC-202611 1020 CHROMIUM < 10.000 UG/L 50 10 11-29-2023 36 2026/11
CA1710010_002_002 INORGANIC-202611 1025 FLUORIDE 0.140 0.100 MG/L 2 .1 11-29-2023 36 2026/11
CA1710010_002_002 INORGANIC-202611 1035 MERCURY < 1.000 UG/L 2 1 11-29-2023 36 2026/11
CA1710010_002_002 INORGANIC-202611 1036 NICKEL < 10.000 UG/L 100 10 11-29-2023 36 2026/11
CA1710010_002_002 INORGANIC-202611 1039 PERCHLORATE < 2.000 UG/L 6 2 11-29-2023 36 2026/11
CA1710010_002_002 INORGANIC-202611 1045 SELENIUM < 5.000 UG/L 50 5 11-29-2023 36 2026/11
CA1710010_002_002 INORGANIC-202611 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 11-29-2023 36 2026/11
CA1710010_002_002 NITRATE/NITRITE-202404 1040 NITRATE 4.300 0.400 MG/L 10 .4 01-24-2024 3 2024/04 DUE NOW
CA1710010_002_002 NITRATE/NITRITE-202606 1041 NITRITE < 0.400 MG/L 1 .4 06-14-2023 36 2026/06
CA1710010_002_002 RADIOLOGICAL-202506 4109 GROSS ALPHA PARTICLE ACTIVITY 0.672 +/- 1.370 2.000 PCI/L 15 3 06-29-2016 108 2025/06
CA1710010_002_002 REGULATED VOC-202603 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2990 BENZENE < 0.500 UG/L 1 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 03-22-2023 36 2026/03
CA1710010_002_002 REGULATED VOC-202603 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2996 STYRENE < 0.500 UG/L 100 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2991 TOLUENE < 0.500 UG/L 150 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED VOC-202603 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 03-25-2020 72 2026/03
CA1710010_002_002 REGULATED SOC-203211 2110 2,4,5-TP < 1.000 UG/L 50 1 11-29-2023 108 2032/11
CA1710010_002_002 REGULATED SOC-203211 2105 2,4-D < 10.000 UG/L 70 10 11-29-2023 108 2032/11
CA1710010_002_002 REGULATED SOC-202611 2050 ATRAZINE < 0.240 UG/L 1 .5 11-29-2023 36 2026/11
CA1710010_002_002 REGULATED SOC-202701 2046 CARBOFURAN < 5.000 UG/L 18 5 01-24-2024 36 2027/01
CA1710010_002_002 REGULATED SOC-202611 2031 DALAPON < 10.000 UG/L 200 10 11-29-2023 36 2026/11
CA1710010_002_002 REGULATED SOC-202611 2041 DINOSEB < 2.000 UG/L 7 2 11-29-2023 36 2026/11
CA1710010_002_002 REGULATED SOC-202611 2032 DIQUAT < 4.000 UG/L 20 4 11-29-2023 36 2026/11
CA1710010_002_002 REGULATED SOC-202611 2033 ENDOTHALL < 45.000 UG/L 100 45 11-29-2023 36 2026/11
CA1710010_002_002 REGULATED SOC-202812 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 12-11-2019 108 2028/12
CA1710010_002_002 REGULATED SOC-202812 2065 HEPTACHLOR < UG/L .01 .01 12-11-2019 108 2028/12
CA1710010_002_002 REGULATED SOC-202812 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 12-11-2019 108 2028/12
CA1710010_002_002 REGULATED SOC-202812 2010 BHC-GAMMA < 0.200 UG/L .2 .2 12-11-2019 108 2028/12
CA1710010_002_002 REGULATED SOC-202812 2015 METHOXYCHLOR < 10.000 UG/L 30 10 12-11-2019 108 2028/12
CA1710010_002_002 REGULATED SOC-202701 2036 OXAMYL < 20.000 UG/L 50 20 01-24-2024 36 2027/01
CA1710010_002_002 REGULATED SOC-202611 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 11-29-2023 36 2026/11
CA1710010_002_002 REGULATED SOC-202611 2040 PICLORAM < 1.000 UG/L 500 1 11-29-2023 36 2026/11
CA1710010_002_002 REGULATED SOC-202611 2037 SIMAZINE < 0.240 UG/L 4 1 11-29-2023 36 2026/11
CA1710010_002_002 REGULATED SOC-202812 2020 TOXAPHENE < 1.000 UG/L 3 1 12-11-2019 108 2028/12
CA1710010_002_002 GENERAL NON CHAP 15-202611 1927 ALKALINITY, TOTAL 140.000 5.000 MG/L 11-29-2023 36 2026/11
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.