Date:06-25-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1710010SYSTEM NAME:LOWER LAKE COUNTY WATER DISTRICTCOUNTY:LAKE 
SOURCE NO.:010SOURCE NAME:WELL 09SOURCE 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_010_010 SECONDARY/GP-202512 1928 ALKALINITY, BICARBONATE 140.000 5.000 MG/L 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1919 CALCIUM 120.000 1.000 MG/L 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1929 ALKALINITY, CARBONATE < 5.000 MG/L 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1017 CHLORIDE 33.000 5.000 MG/L 500 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1905 COLOR 8.000 5.000 UNITS 15 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1022 COPPER, FREE < 50.000 UG/L 1000 50 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1915 HARDNESS, TOTAL (AS CACO3) 409.000 5.000 MG/L 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1028 IRON 250.000 100.000 UG/L 300 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1031 MAGNESIUM 28.000 1.000 MG/L 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1032 MANGANESE 190.000 20.000 UG/L 50 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1920 ODOR < 1.000 TON 3 1 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1925 PH 7.270 1.680 pH 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1050 SILVER < 10.000 UG/L 100 10 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1052 SODIUM 22.000 1.000 MG/L 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1064 CONDUCTIVITY @ 25 C UMHOS/CM 760.000 20.000 UMHO/CM 1600 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1055 SULFATE 5.300 0.500 MG/L 500 .5 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1930 TDS 520.000 10.000 MG/L 1000 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 0100 TURBIDITY 1.100 0.100 NTU 5 .1 12-21-2022 36 2025/12
CA1710010_010_010 SECONDARY/GP-202512 1095 ZINC < 50.000 UG/L 5000 50 12-21-2022 36 2025/12
CA1710010_010_010 INORGANIC-202512 1002 ALUMINUM < 50.000 UG/L 1000 50 12-21-2022 36 2025/12
CA1710010_010_010 INORGANIC-202512 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 12-21-2022 36 2025/12
CA1710010_010_010 INORGANIC-202512 1005 ARSENIC < 2.000 UG/L 10 2 12-21-2022 36 2025/12
CA1710010_010_010 INORGANIC-202609 1094 ASBESTOS < 0.200 MFL 7 .2 09-20-2017 108 2026/09
CA1710010_010_010 INORGANIC-202512 1010 BARIUM 320.000 100.000 UG/L 1000 100 12-21-2022 36 2025/12
CA1710010_010_010 INORGANIC-202512 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 12-21-2022 36 2025/12
CA1710010_010_010 INORGANIC-202512 1015 CADMIUM < 1.000 UG/L 5 1 12-21-2022 36 2025/12
CA1710010_010_010 INORGANIC-202512 1020 CHROMIUM < 10.000 UG/L 50 10 12-21-2022 36 2025/12
CA1710010_010_010 INORGANIC-202512 1025 FLUORIDE 0.330 0.100 MG/L 2 .1 12-21-2022 36 2025/12
CA1710010_010_010 INORGANIC-202512 1035 MERCURY < 1.000 UG/L 2 1 12-21-2022 36 2025/12
CA1710010_010_010 INORGANIC-202512 1036 NICKEL < 10.000 UG/L 100 10 12-21-2022 36 2025/12
CA1710010_010_010 INORGANIC-202611 1039 PERCHLORATE < 2.000 UG/L 6 2 11-29-2023 36 2026/11
CA1710010_010_010 INORGANIC-202512 1045 SELENIUM < 5.000 UG/L 50 5 12-21-2022 36 2025/12
CA1710010_010_010 INORGANIC-202512 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 12-21-2022 36 2025/12
CA1710010_010_010 NITRATE/NITRITE-202503 1040 NITRATE < 0.400 MG/L 10 .4 03-20-2024 12 2025/03
CA1710010_010_010 NITRATE/NITRITE-202703 1041 NITRITE < 0.400 MG/L 1 .4 03-20-2024 36 2027/03
CA1710010_010_010 RADIOLOGICAL-202506 4109 GROSS ALPHA PARTICLE ACTIVITY 0.112 +/- 1.300 2.100 PCI/L 15 3 06-29-2016 108 2025/06
CA1710010_010_010 REGULATED VOC-203003 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2990 BENZENE < 0.500 UG/L 1 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-202703 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 03-20-2024 36 2027/03
CA1710010_010_010 REGULATED VOC-203003 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2996 STYRENE < 0.500 UG/L 100 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2991 TOLUENE < 0.500 UG/L 150 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED VOC-203003 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 03-20-2024 72 2030/03
CA1710010_010_010 REGULATED SOC-203303 2110 2,4,5-TP < 1.000 UG/L 50 1 03-20-2024 108 2033/03
CA1710010_010_010 REGULATED SOC-203303 2105 2,4-D < 10.000 UG/L 70 10 03-20-2024 108 2033/03
CA1710010_010_010 REGULATED SOC-202703 2050 ATRAZINE < 0.250 UG/L 1 .5 03-20-2024 36 2027/03
CA1710010_010_010 REGULATED SOC-202703 2046 CARBOFURAN < 2.000 UG/L 18 5 03-20-2024 36 2027/03
CA1710010_010_010 REGULATED SOC-202703 2031 DALAPON < 10.000 UG/L 200 10 03-20-2024 36 2027/03
CA1710010_010_010 REGULATED SOC-202703 2041 DINOSEB < 2.000 UG/L 7 2 03-20-2024 36 2027/03
CA1710010_010_010 REGULATED SOC-202703 2032 DIQUAT < 4.000 UG/L 20 4 03-20-2024 36 2027/03
CA1710010_010_010 REGULATED SOC-202703 2033 ENDOTHALL < 45.000 UG/L 100 45 03-20-2024 36 2027/03
CA1710010_010_010 REGULATED SOC-203303 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 03-20-2024 108 2033/03
CA1710010_010_010 REGULATED SOC-202708 2065 HEPTACHLOR < UG/L .01 .01 08-15-2018 108 2027/08
CA1710010_010_010 REGULATED SOC-202708 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 08-15-2018 108 2027/08
CA1710010_010_010 REGULATED SOC-202708 2010 BHC-GAMMA < 0.200 UG/L .2 .2 08-15-2018 108 2027/08
CA1710010_010_010 REGULATED SOC-202708 2015 METHOXYCHLOR < 10.000 UG/L 30 10 08-15-2018 108 2027/08
CA1710010_010_010 REGULATED SOC-202703 2036 OXAMYL < 2.000 UG/L 50 20 03-20-2024 36 2027/03
CA1710010_010_010 REGULATED SOC-202703 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 03-20-2024 36 2027/03
CA1710010_010_010 REGULATED SOC-202703 2040 PICLORAM < 1.000 UG/L 500 1 03-20-2024 36 2027/03
CA1710010_010_010 REGULATED SOC-202703 2037 SIMAZINE < 0.250 UG/L 4 1 03-20-2024 36 2027/03
CA1710010_010_010 REGULATED SOC-202708 2020 TOXAPHENE < 1.000 UG/L 3 1 08-15-2018 108 2027/08
CA1710010_010_010 GENERAL NON CHAP 15-202512 1927 ALKALINITY, TOTAL 140.000 5.000 MG/L 12-21-2022 36 2025/12
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.