Date:05-19-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4900508SYSTEM NAME:CAZADERO WATER COMPANY, INC. (PUC)COUNTY:SONOMA 
SOURCE NO.:006SOURCE NAME:BEI HORIZONTAL WELLSOURCE CLASS:CTSPSTATUS: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
CA4900508_006_006 SECONDARY/GP-202412 1928 ALKALINITY, BICARBONATE 180.000 1.000 MG/L 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1919 CALCIUM 47.000 1.000 MG/L 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1929 ALKALINITY, CARBONATE < 1.000 MG/L 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1017 CHLORIDE 6.400 0.500 MG/L 500 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1905 COLOR 5.000 5.000 UNITS 15 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1022 COPPER, FREE < 50.000 UG/L 1000 50 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1915 HARDNESS, TOTAL (AS CACO3) 170.000 2.000 MG/L 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1021 HYDROXIDE AS CALCIUM CARBONATE < 1.000 MG/L 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1028 IRON 240.000 100.000 UG/L 300 100 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1031 MAGNESIUM 13.000 1.000 MG/L 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1032 MANGANESE < 20.000 UG/L 50 20 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1920 ODOR 3.000 1.000 TON 3 1 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1925 PH 6.500 1.000 pH 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1050 SILVER < 10.000 UG/L 100 10 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1052 SODIUM 11.000 1.000 MG/L 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1064 CONDUCTIVITY @ 25 C UMHOS/CM 310.000 10.000 UMHO/CM 1600 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1055 SULFATE 6.500 0.500 MG/L 500 .5 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1930 TDS 190.000 10.000 MG/L 1000 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 0100 TURBIDITY 1.400 0.100 NTU 5 .1 12-11-2023 12 2024/12
CA4900508_006_006 SECONDARY/GP-202412 1095 ZINC 64.000 50.000 UG/L 5000 50 12-11-2023 12 2024/12
CA4900508_006_006 INORGANIC-203004 1002 ALUMINUM < 50.000 UG/L 1000 50 04-01-2021 108 2030/04
CA4900508_006_006 INORGANIC-203004 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 04-01-2021 108 2030/04
CA4900508_006_006 INORGANIC-202412 1005 ARSENIC < 2.000 UG/L 10 2 12-11-2023 12 2024/12
CA4900508_006_006 INORGANIC-202803 1094 ASBESTOS < 0.200 MFL 7 .2 03-27-2019 108 2028/03
CA4900508_006_006 INORGANIC-203004 1010 BARIUM < 100.000 UG/L 1000 100 04-01-2021 108 2030/04
CA4900508_006_006 INORGANIC-203004 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 04-01-2021 108 2030/04
CA4900508_006_006 INORGANIC-203004 1015 CADMIUM < 1.000 UG/L 5 1 04-01-2021 108 2030/04
CA4900508_006_006 INORGANIC-203004 1020 CHROMIUM < 1.000 UG/L 50 10 04-01-2021 108 2030/04
CA4900508_006_006 INORGANIC-203212 1025 FLUORIDE < 0.100 MG/L 2 .1 12-11-2023 108 2032/12
CA4900508_006_006 INORGANIC-203004 1035 MERCURY < 1.000 UG/L 2 1 04-01-2021 108 2030/04
CA4900508_006_006 INORGANIC-203004 1036 NICKEL < 10.000 UG/L 100 10 04-01-2021 108 2030/04
CA4900508_006_006 INORGANIC-202412 1039 PERCHLORATE < 2.000 UG/L 6 2 12-11-2023 12 2024/12
CA4900508_006_006 INORGANIC-203004 1045 SELENIUM < 5.000 UG/L 50 5 04-01-2021 108 2030/04
CA4900508_006_006 INORGANIC-203004 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 04-01-2021 108 2030/04
CA4900508_006_006 NITRATE/NITRITE-202412 1040 NITRATE < 0.400 MG/L 10 .4 12-11-2023 12 2024/12
CA4900508_006_006 NITRATE/NITRITE-202511 1041 NITRITE < 0.400 MG/L 1 .4 11-03-2022 36 2025/11
CA4900508_006_006 RADIOLOGICAL-202403 4109 GROSS ALPHA PARTICLE ACTIVITY < 1.200 PCI/L 15 3 03-18-2015 108 2024/03 DUE NOW
CA4900508_006_006 REGULATED VOC-202511 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2990 BENZENE < 0.500 UG/L 1 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2996 STYRENE < 0.500 UG/L 100 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2991 TOLUENE < 0.500 UG/L 150 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED VOC-202511 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED SOC-202803 2110 2,4,5-TP < 1.000 UG/L 50 1 03-22-2019 108 2028/03
CA4900508_006_006 REGULATED SOC-202803 2105 2,4-D < 10.000 UG/L 70 10 03-22-2019 108 2028/03
CA4900508_006_006 REGULATED SOC-202511 2050 ATRAZINE < 0.250 UG/L 1 .5 11-03-2022 36 2025/11
CA4900508_006_006 REGULATED SOC-202803 2031 DALAPON < 10.000 UG/L 200 10 03-22-2019 108 2028/03
CA4900508_006_006 REGULATED SOC-202511 2037 SIMAZINE < 0.250 UG/L 4 1 11-03-2022 36 2025/11
CA4900508_006_006 GENERAL NON CHAP 15-202412 1927 ALKALINITY, TOTAL 150.000 20.000 MG/L 12-11-2023 12 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.