Date:05-19-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4901309SYSTEM NAME:HILTON MUTUAL WATER COMPANYCOUNTY:SONOMA 
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
CA4901309_001_001 SECONDARY/GP-202507 1928 ALKALINITY, BICARBONATE 230.000 1.000 MG/L 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1919 CALCIUM 35.000 1.000 MG/L 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1929 ALKALINITY, CARBONATE < 1.000 MG/L 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1017 CHLORIDE 16.000 0.500 MG/L 500 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1905 COLOR < 5.000 UNITS 15 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1022 COPPER, FREE < 50.000 UG/L 1000 50 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1915 HARDNESS, TOTAL (AS CACO3) 150.000 2.000 MG/L 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1021 HYDROXIDE AS CALCIUM CARBONATE < 1.000 MG/L 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1028 IRON < 100.000 UG/L 300 100 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1031 MAGNESIUM 16.000 1.000 MG/L 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1032 MANGANESE 46.000 20.000 UG/L 50 20 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1920 ODOR < 1.000 TON 3 1 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1925 PH 7.500 1.000 pH 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1050 SILVER < 10.000 UG/L 100 10 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1052 SODIUM 32.000 1.000 MG/L 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1064 CONDUCTIVITY @ 25 C UMHOS/CM 430.000 10.000 UMHO/CM 1600 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1055 SULFATE 3.900 0.500 MG/L 500 .5 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1930 TDS 280.000 10.000 MG/L 1000 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 0100 TURBIDITY 0.150 0.100 NTU 5 .1 07-26-2022 36 2025/07
CA4901309_001_001 SECONDARY/GP-202507 1095 ZINC < 50.000 UG/L 5000 50 07-26-2022 36 2025/07
CA4901309_001_001 INORGANIC-203107 1002 ALUMINUM < 50.000 UG/L 1000 50 07-26-2022 108 2031/07
CA4901309_001_001 INORGANIC-203107 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 07-26-2022 108 2031/07
CA4901309_001_001 INORGANIC-202507 1005 ARSENIC 4.400 2.000 UG/L 10 2 07-26-2022 36 2025/07
CA4901309_001_001 INORGANIC-202408 1094 ASBESTOS < 0.200 MFL 7 .2 08-10-2015 108 2024/08
CA4901309_001_001 INORGANIC-203107 1010 BARIUM < 100.000 UG/L 1000 100 07-26-2022 108 2031/07
CA4901309_001_001 INORGANIC-203107 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-26-2022 108 2031/07
CA4901309_001_001 INORGANIC-203107 1015 CADMIUM < 1.000 UG/L 5 1 07-26-2022 108 2031/07
CA4901309_001_001 INORGANIC-203107 1020 CHROMIUM < 1.000 UG/L 50 10 07-26-2022 108 2031/07
CA4901309_001_001 INORGANIC-203107 1025 FLUORIDE 0.190 0.100 MG/L 2 .1 07-26-2022 108 2031/07
CA4901309_001_001 INORGANIC-203107 1035 MERCURY < 1.000 UG/L 2 1 07-26-2022 108 2031/07
CA4901309_001_001 INORGANIC-203107 1036 NICKEL < 10.000 UG/L 100 10 07-26-2022 108 2031/07
CA4901309_001_001 INORGANIC-202407 1039 PERCHLORATE < 2.000 UG/L 6 2 07-27-2021 36 2024/07
CA4901309_001_001 INORGANIC-203107 1045 SELENIUM < 5.000 UG/L 50 5 07-26-2022 108 2031/07
CA4901309_001_001 INORGANIC-203107 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-26-2022 108 2031/07
CA4901309_001_001 NITRATE/NITRITE-202412 1040 NITRATE < 0.400 MG/L 10 .4 12-28-2023 12 2024/12
CA4901309_001_001 NITRATE/NITRITE-202612 1041 NITRITE < 0.400 MG/L 1 .4 12-28-2023 36 2026/12
CA4901309_001_001 RADIOLOGICAL-202506 4109 GROSS ALPHA PARTICLE ACTIVITY 0.055 +/- 0.908 1.500 PCI/L 15 3 06-24-2016 108 2025/06
CA4901309_001_001 REGULATED VOC-202407 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2990 BENZENE < 0.500 UG/L 1 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 07-27-2021 36 2024/07
CA4901309_001_001 REGULATED VOC-202407 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2996 STYRENE < 0.500 UG/L 100 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2991 TOLUENE < 0.500 UG/L 150 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED VOC-202407 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-29-2018 72 2024/07
CA4901309_001_001 REGULATED SOC-202507 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 07-26-2022 36 2025/07
CA4901309_001_001 REGULATED SOC-202410 2110 2,4,5-TP < 1.000 UG/L 50 1 10-09-2015 108 2024/10
CA4901309_001_001 REGULATED SOC-202410 2105 2,4-D < 10.000 UG/L 70 10 10-09-2015 108 2024/10
CA4901309_001_001 REGULATED SOC-202407 2050 ATRAZINE < 0.250 UG/L 1 .5 07-27-2021 36 2024/07
CA4901309_001_001 REGULATED SOC-202410 2031 DALAPON < 10.000 UG/L 200 10 10-09-2015 108 2024/10
CA4901309_001_001 REGULATED SOC-202407 2037 SIMAZINE < 0.250 UG/L 4 1 07-27-2021 36 2024/07
CA4901309_DST_003 DISINFECTION BYPRODUCTS-202309 2456 TOTAL HALOACETIC ACIDS (HAA5) 3.100 UG/L 60 09-30-2020 36 2023/09 DUE NOW
CA4901309_DST_003 DISINFECTION BYPRODUCTS-202309 2950 TTHM 15.000 UG/L 80 09-30-2020 36 2023/09 DUE NOW
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.