Date:06-28-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:2110003SYSTEM NAME:NORTH MARIN WATER DISTRICTCOUNTY:MARIN 
SOURCE NO.:All SourcesSOURCE NAME:N/ASOURCE CLASS:N/ASTATUS:N/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
CA2110003_003_003 SECONDARY/GP-202409 1928 ALKALINITY, BICARBONATE 91.000 20.000 MG/L 09-11-2023 12 2024/09
CA2110003_003_003 SECONDARY/GP-202409 1919 CALCIUM 18.800 5.000 MG/L 09-11-2023 12 2024/09
CA2110003_003_003 SECONDARY/GP-202409 1929 ALKALINITY, CARBONATE 0.000 MG/L 09-11-2023 12 2024/09
CA2110003_003_003 SECONDARY/GP-202409 1017 CHLORIDE 14.300 1.000 MG/L 500 09-11-2023 12 2024/09
CA2110003_003_003 SECONDARY/GP-202409 1905 COLOR 40.000 2.500 UNITS 15 09-11-2023 12 2024/09
CA2110003_003_003 SECONDARY/GP-202410 1022 COPPER, FREE < 50.000 UG/L 1000 50 10-08-2023 12 2024/10
CA2110003_003_003 SECONDARY/GP-202408 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 08-14-2023 12 2024/08
CA2110003_003_003 SECONDARY/GP-202409 1915 HARDNESS, TOTAL (AS CACO3) 97.300 1.000 MG/L 09-11-2023 12 2024/09
CA2110003_003_003 SECONDARY/GP-202409 1021 HYDROXIDE AS CALCIUM CARBONATE 0.000 MG/L 09-11-2023 12 2024/09
CA2110003_003_003 SECONDARY/GP-202410 1028 IRON 100.000 100.000 UG/L 300 10-08-2023 12 2024/10
CA2110003_003_003 SECONDARY/GP-202410 1031 MAGNESIUM 11.000 1.000 MG/L 10-08-2023 12 2024/10
CA2110003_003_003 SECONDARY/GP-202410 1032 MANGANESE 130.000 20.000 UG/L 50 10-08-2023 12 2024/10
CA2110003_003_003 SECONDARY/GP-202409 1920 ODOR 17.000 1.000 TON 3 1 09-11-2023 12 2024/09
CA2110003_003_003 SECONDARY/GP-202409 1925 PH 8.530 0.010 pH 09-11-2023 12 2024/09
CA2110003_003_003 SECONDARY/GP-202410 1050 SILVER < 10.000 UG/L 100 10 10-08-2023 12 2024/10
CA2110003_003_003 SECONDARY/GP-202410 1052 SODIUM 12.000 1.000 MG/L 10-08-2023 12 2024/10
CA2110003_003_003 SECONDARY/GP-202409 1064 CONDUCTIVITY @ 25 C UMHOS/CM 240.000 UMHO/CM 1600 09-11-2023 12 2024/09
CA2110003_003_003 SECONDARY/GP-202409 1055 SULFATE 7.990 1.000 MG/L 500 .5 09-11-2023 12 2024/09
CA2110003_003_003 SECONDARY/GP-202409 1930 TDS 136.000 10.000 MG/L 1000 09-11-2023 12 2024/09
CA2110003_003_003 SECONDARY/GP-202409 0100 TURBIDITY 9.100 0.010 NTU 5 .1 09-11-2023 12 2024/09
CA2110003_003_003 SECONDARY/GP-202410 1095 ZINC < 50.000 UG/L 5000 50 10-08-2023 12 2024/10
CA2110003_003_003 INORGANIC-202410 1002 ALUMINUM 72.000 50.000 UG/L 1000 50 10-08-2023 12 2024/10
CA2110003_003_003 INORGANIC-202410 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 10-08-2023 12 2024/10
CA2110003_003_003 INORGANIC-202410 1005 ARSENIC 3.300 2.000 UG/L 10 2 10-08-2023 12 2024/10
CA2110003_003_003 INORGANIC-202410 1010 BARIUM < 100.000 UG/L 1000 100 10-08-2023 12 2024/10
CA2110003_003_003 INORGANIC-202410 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 10-08-2023 12 2024/10
CA2110003_003_003 INORGANIC-202410 1015 CADMIUM < 1.000 UG/L 5 1 10-08-2023 12 2024/10
CA2110003_003_003 INORGANIC-202410 1020 CHROMIUM < 10.000 UG/L 50 10 10-08-2023 12 2024/10
CA2110003_003_003 INORGANIC-202409 1025 FLUORIDE 0.115 0.100 MG/L 2 .1 09-11-2023 12 2024/09
CA2110003_003_003 INORGANIC-202410 1035 MERCURY < 1.000 UG/L 2 1 10-08-2023 12 2024/10
CA2110003_003_003 INORGANIC-202410 1036 NICKEL < 10.000 UG/L 100 10 10-08-2023 12 2024/10
CA2110003_003_003 INORGANIC-202408 1039 PERCHLORATE < 2.000 UG/L 6 2 08-14-2023 12 2024/08
CA2110003_003_003 INORGANIC-202410 1045 SELENIUM < 5.000 UG/L 50 5 10-08-2023 12 2024/10
CA2110003_003_003 INORGANIC-202410 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 10-08-2023 12 2024/10
CA2110003_003_003 NITRATE/NITRITE-202409 1040 NITRATE < 0.400 MG/L 10 .4 09-11-2023 12 2024/09
CA2110003_003_003 NITRATE/NITRITE-202408 1041 NITRITE < 0.400 MG/L 1 .4 08-31-2021 36 2024/08
CA2110003_003_003 RADIOLOGICAL-202505 4109 GROSS ALPHA PARTICLE ACTIVITY 0.520 +/- 0.300 0.500 PCI/L 15 3 09-17-2012 152 2025/05
CA2110003_003_003 REGULATED VOC-202509 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2990 BENZENE < 0.500 UG/L 1 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2996 STYRENE < 0.500 UG/L 100 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2991 TOLUENE < 0.500 UG/L 150 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED VOC-202509 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED SOC-202408 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 08-31-2021 36 2024/08
CA2110003_003_003 REGULATED SOC-203109 2110 2,4,5-TP < 1.000 UG/L 50 1 09-20-2022 108 2031/09
CA2110003_003_003 REGULATED SOC-203109 2105 2,4-D < 10.000 UG/L 70 10 09-20-2022 108 2031/09
CA2110003_003_003 REGULATED SOC-202608 2050 ATRAZINE < 0.500 UG/L 1 .5 08-14-2023 36 2026/08
CA2110003_003_003 REGULATED SOC-202608 2046 CARBOFURAN < 5.000 UG/L 18 5 08-14-2023 36 2026/08
CA2110003_003_003 REGULATED SOC-202509 2031 DALAPON < 10.000 UG/L 200 10 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED SOC-202509 2041 DINOSEB < 2.000 UG/L 7 2 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED SOC-202608 2032 DIQUAT < 4.000 UG/L 20 4 08-14-2023 36 2026/08
CA2110003_003_003 REGULATED SOC-202608 2033 ENDOTHALL < 45.000 UG/L 100 45 08-14-2023 36 2026/08
CA2110003_003_003 REGULATED SOC-203008 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 08-03-2021 108 2030/08
CA2110003_003_003 REGULATED SOC-202411 2034 GLYPHOSATE < 5.000 UG/L 700 25 05-20-2024 6 2024/11
CA2110003_003_003 REGULATED SOC-202909 2065 HEPTACHLOR < UG/L .01 .01 09-08-2020 108 2029/09
CA2110003_003_003 REGULATED SOC-202909 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 09-08-2020 108 2029/09
CA2110003_003_003 REGULATED SOC-202909 2010 BHC-GAMMA < 0.200 UG/L .2 .2 09-08-2020 108 2029/09
CA2110003_003_003 REGULATED SOC-202909 2015 METHOXYCHLOR < 10.000 UG/L 30 10 09-08-2020 108 2029/09
CA2110003_003_003 REGULATED SOC-202608 2036 OXAMYL < 20.000 UG/L 50 20 08-14-2023 36 2026/08
CA2110003_003_003 REGULATED SOC-202509 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED SOC-202509 2040 PICLORAM < 1.000 UG/L 500 1 09-20-2022 36 2025/09
CA2110003_003_003 REGULATED SOC-202608 2037 SIMAZINE < 1.000 UG/L 4 1 08-14-2023 36 2026/08
CA2110003_003_003 REGULATED SOC-202909 2020 TOXAPHENE < 1.000 UG/L 3 1 09-08-2020 108 2029/09
CA2110003_003_003 GENERAL NON CHAP 15-202409 1927 ALKALINITY, TOTAL 91.000 20.000 MG/L 09-11-2023 12 2024/09
CA2110003_DST_005 DISINFECTION BYPRODUCTS-202408 2456 TOTAL HALOACETIC ACIDS (HAA5) 3.800 1.000 UG/L 60 05-08-2024 3 2024/08
CA2110003_DST_005 DISINFECTION BYPRODUCTS-202408 2950 TTHM 47.590 1.000 UG/L 80 05-08-2024 3 2024/08
CA2110003_DST_006 DISINFECTION BYPRODUCTS-202408 2456 TOTAL HALOACETIC ACIDS (HAA5) 6.500 1.000 UG/L 60 05-08-2024 3 2024/08
CA2110003_DST_006 DISINFECTION BYPRODUCTS-202408 2950 TTHM 22.620 1.000 UG/L 80 05-08-2024 3 2024/08
CA2110003_DST_007 DISINFECTION BYPRODUCTS-202408 2456 TOTAL HALOACETIC ACIDS (HAA5) 9.000 1.000 UG/L 60 05-08-2024 3 2024/08
CA2110003_DST_007 DISINFECTION BYPRODUCTS-202408 2950 TTHM 31.490 1.000 UG/L 80 05-08-2024 3 2024/08
CA2110003_DST_008 DISINFECTION BYPRODUCTS-202408 2456 TOTAL HALOACETIC ACIDS (HAA5) 5.100 1.000 UG/L 60 05-08-2024 3 2024/08
CA2110003_DST_008 DISINFECTION BYPRODUCTS-202408 2950 TTHM 19.220 1.000 UG/L 80 05-08-2024 3 2024/08
CA2110003_DST_009 DISINFECTION BYPRODUCTS-202408 2456 TOTAL HALOACETIC ACIDS (HAA5) 7.100 1.000 UG/L 60 05-08-2024 3 2024/08
CA2110003_DST_009 DISINFECTION BYPRODUCTS-202408 2950 TTHM 32.970 1.000 UG/L 80 05-08-2024 3 2024/08
CA2110003_DST_014 DISINFECTION BYPRODUCTS-202408 2456 TOTAL HALOACETIC ACIDS (HAA5) 9.300 1.000 UG/L 60 05-08-2024 3 2024/08
CA2110003_DST_014 DISINFECTION BYPRODUCTS-202408 2950 TTHM 27.510 1.000 UG/L 80 05-08-2024 3 2024/08
CA2110003_DST_015 DISINFECTION BYPRODUCTS-202408 2456 TOTAL HALOACETIC ACIDS (HAA5) 6.700 1.000 UG/L 60 05-08-2024 3 2024/08
CA2110003_DST_015 DISINFECTION BYPRODUCTS-202408 2950 TTHM 17.870 1.000 UG/L 80 05-08-2024 3 2024/08
CA2110003_DST_017 DISINFECTION BYPRODUCTS-202408 2456 TOTAL HALOACETIC ACIDS (HAA5) 11.200 1.000 UG/L 60 05-08-2024 3 2024/08
CA2110003_DST_017 DISINFECTION BYPRODUCTS-202408 2950 TTHM 28.130 1.000 UG/L 80 05-08-2024 3 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.