Date:05-18-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:2100579SYSTEM NAME:NICASIO VALLEY RANCH MUTUALCOUNTY:MARIN 
SOURCE NO.:001SOURCE NAME:WELL 01SOURCE CLASS:CTGASTATUS: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
CA2100579_001_001 SECONDARY/GP-202412 1928 ALKALINITY, BICARBONATE 220.000 1.000 MG/L 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1919 CALCIUM 36.000 1.000 MG/L 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1929 ALKALINITY, CARBONATE < 1.000 MG/L 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1017 CHLORIDE 45.000 0.500 MG/L 500 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1905 COLOR 50.000 5.000 UNITS 15 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1022 COPPER, FREE 80.000 50.000 UG/L 1000 50 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1915 HARDNESS, TOTAL (AS CACO3) 200.000 2.000 MG/L 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1021 HYDROXIDE AS CALCIUM CARBONATE < 1.000 MG/L 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1028 IRON 7300.000 100.000 UG/L 300 100 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1031 MAGNESIUM 27.000 1.000 MG/L 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1032 MANGANESE 2100.000 20.000 UG/L 50 20 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1920 ODOR 6.000 1.000 TON 3 1 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1925 PH 6.800 1.000 pH 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1050 SILVER < 10.000 UG/L 100 10 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1052 SODIUM 23.000 1.000 MG/L 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1064 CONDUCTIVITY @ 25 C UMHOS/CM 450.000 10.000 UMHO/CM 1600 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1055 SULFATE 4.100 0.500 MG/L 500 .5 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1930 TDS 260.000 10.000 MG/L 1000 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 0100 TURBIDITY 50.000 0.100 NTU 5 .1 12-09-2021 36 2024/12
CA2100579_001_001 SECONDARY/GP-202412 1095 ZINC 260.000 50.000 UG/L 5000 50 12-09-2021 36 2024/12
CA2100579_001_001 INORGANIC-202412 1002 ALUMINUM < 50.000 UG/L 1000 50 12-09-2021 36 2024/12
CA2100579_001_001 INORGANIC-202412 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 12-09-2021 36 2024/12
CA2100579_001_001 INORGANIC-202405 1005 ARSENIC 30.000 2.000 UG/L 10 2 02-01-2024 3 2024/05 DUE NOW
CA2100579_001_001 INORGANIC-202811 1094 ASBESTOS < 0.200 MFL 7 .2 11-07-2019 108 2028/11
CA2100579_001_001 INORGANIC-202412 1010 BARIUM 770.000 100.000 UG/L 1000 100 12-09-2021 36 2024/12
CA2100579_001_001 INORGANIC-202412 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 12-09-2021 36 2024/12
CA2100579_001_001 INORGANIC-202412 1015 CADMIUM < 1.000 UG/L 5 1 12-09-2021 36 2024/12
CA2100579_001_001 INORGANIC-202412 1020 CHROMIUM < 1.000 UG/L 50 10 12-09-2021 36 2024/12
CA2100579_001_001 INORGANIC-202412 1025 FLUORIDE 0.400 0.100 MG/L 2 .1 12-09-2021 36 2024/12
CA2100579_001_001 INORGANIC-202412 1035 MERCURY < 1.000 UG/L 2 1 12-09-2021 36 2024/12
CA2100579_001_001 INORGANIC-202412 1036 NICKEL < 10.000 UG/L 100 10 12-09-2021 36 2024/12
CA2100579_001_001 INORGANIC-202408 1039 PERCHLORATE < 2.000 UG/L 6 2 08-12-2021 36 2024/08
CA2100579_001_001 INORGANIC-202412 1045 SELENIUM < 5.000 UG/L 50 5 12-09-2021 36 2024/12
CA2100579_001_001 INORGANIC-202412 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 12-09-2021 36 2024/12
CA2100579_001_001 NITRATE/NITRITE-202412 1040 NITRATE < 0.400 MG/L 10 .4 12-07-2023 12 2024/12
CA2100579_001_001 NITRATE/NITRITE-202412 1041 NITRITE < 0.400 MG/L 1 .4 12-09-2021 36 2024/12
CA2100579_001_001 RADIOLOGICAL-202706 4109 GROSS ALPHA PARTICLE ACTIVITY 0.399 +/- 1.110 1.600 PCI/L 15 3 06-13-2018 108 2027/06
CA2100579_001_001 REGULATED VOC-202706 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2990 BENZENE < 0.500 UG/L 1 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202406 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 06-03-2021 36 2024/06
CA2100579_001_001 REGULATED VOC-202706 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2996 STYRENE < 0.500 UG/L 100 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2991 TOLUENE < 0.500 UG/L 150 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED VOC-202706 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 06-03-2021 72 2027/06
CA2100579_001_001 REGULATED SOC-202811 2110 2,4,5-TP < 1.000 UG/L 50 1 11-07-2019 108 2028/11
CA2100579_001_001 REGULATED SOC-202811 2105 2,4-D < 10.000 UG/L 70 10 11-07-2019 108 2028/11
CA2100579_001_001 REGULATED SOC-202511 2046 CARBOFURAN < 5.000 UG/L 18 5 11-03-2022 36 2025/11
CA2100579_001_001 REGULATED SOC-202511 2031 DALAPON < 10.000 UG/L 200 10 11-03-2022 36 2025/11
CA2100579_001_001 REGULATED SOC-202811 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 11-07-2019 108 2028/11
CA2100579_001_001 REGULATED SOC-202811 2065 HEPTACHLOR < UG/L .01 .01 11-07-2019 108 2028/11
CA2100579_001_001 REGULATED SOC-202811 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 11-07-2019 108 2028/11
CA2100579_001_001 REGULATED SOC-202811 2015 METHOXYCHLOR < 10.000 UG/L 30 10 11-07-2019 108 2028/11
CA2100579_001_001 REGULATED SOC-202511 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 11-03-2022 36 2025/11
CA2100579_001_001 REGULATED SOC-202511 2040 PICLORAM < 1.000 UG/L 500 1 11-03-2022 36 2025/11
CA2100579_001_001 REGULATED SOC-202811 2020 TOXAPHENE < 1.000 UG/L 3 1 11-07-2019 108 2028/11
CA2100579_001_001 GENERAL NON CHAP 15-202412 1927 ALKALINITY, TOTAL 180.000 20.000 MG/L 12-09-2021 36 2024/12
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.