Date:04-24-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:2800625SYSTEM NAME:ADVENTIST HEALTH - ST. HELENA HOSPITALCOUNTY:NAPA 
SOURCE NO.:005SOURCE NAME:COMBINED HORIZONTAL WELLSSOURCE CLASS:CLGPSTATUS: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
CA2800625_005_005 SECONDARY/GP-202403 1928 ALKALINITY, BICARBONATE 73.000 MG/L 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 SECONDARY/GP-203212 1919 CALCIUM 9.400 1.000 MG/L 12-14-2023 108 2032/12
CA2800625_005_005 SECONDARY/GP-202403 1929 ALKALINITY, CARBONATE < 1.000 MG/L 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 SECONDARY/GP-202403 1017 CHLORIDE 5.700 MG/L 500 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 SECONDARY/GP-203005 1905 COLOR < 5.000 UNITS 15 05-19-2021 108 2030/05
CA2800625_005_005 SECONDARY/GP-202408 1022 COPPER, FREE < 50.000 UG/L 1000 50 08-05-2021 36 2024/08
CA2800625_005_005 SECONDARY/GP-202405 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 05-19-2021 36 2024/05
CA2800625_005_005 SECONDARY/GP-203212 1915 HARDNESS, TOTAL (AS CACO3) 45.000 2.000 MG/L 12-14-2023 108 2032/12
CA2800625_005_005 SECONDARY/GP-202403 1021 HYDROXIDE AS CALCIUM CARBONATE < 1.000 MG/L 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 SECONDARY/GP-203212 1028 IRON < 100.000 UG/L 300 100 12-14-2023 108 2032/12
CA2800625_005_005 SECONDARY/GP-203212 1031 MAGNESIUM 5.200 1.000 MG/L 12-14-2023 108 2032/12
CA2800625_005_005 SECONDARY/GP-203103 1032 MANGANESE < 20.000 UG/L 50 20 03-24-2022 108 2031/03
CA2800625_005_005 SECONDARY/GP-202405 1920 ODOR < 1.000 TON 3 1 05-19-2021 36 2024/05
CA2800625_005_005 SECONDARY/GP-202403 1925 PH 6.500 pH 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 SECONDARY/GP-202403 1050 SILVER < 10.000 UG/L 100 10 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 SECONDARY/GP-202403 1052 SODIUM 14.000 MG/L 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 SECONDARY/GP-202612 1064 CONDUCTIVITY @ 25 C UMHOS/CM 140.000 10.000 UMHO/CM 1600 12-14-2023 36 2026/12
CA2800625_005_005 SECONDARY/GP-202403 1055 SULFATE 2.900 0.500 MG/L 500 .5 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 SECONDARY/GP-202612 1930 TDS 180.000 10.000 MG/L 1000 12-14-2023 36 2026/12
CA2800625_005_005 SECONDARY/GP-202405 0100 TURBIDITY 0.400 0.100 NTU 5 .1 05-19-2021 36 2024/05
CA2800625_005_005 SECONDARY/GP-202403 1095 ZINC < 50.000 UG/L 5000 50 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 INORGANIC-202403 1002 ALUMINUM < 50.000 UG/L 1000 50 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 INORGANIC-202403 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 INORGANIC-202403 1005 ARSENIC < 2.000 UG/L 10 2 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 INORGANIC-203005 1094 ASBESTOS < 0.200 MFL 7 .2 05-19-2021 108 2030/05
CA2800625_005_005 INORGANIC-202403 1010 BARIUM < 100.000 UG/L 1000 100 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 INORGANIC-202403 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 INORGANIC-202403 1015 CADMIUM < 1.000 UG/L 5 1 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 INORGANIC-202403 1020 CHROMIUM < 1.000 UG/L 50 10 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 INORGANIC-202403 1025 FLUORIDE 0.280 0.100 MG/L 2 .1 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 INORGANIC-202403 1035 MERCURY < 1.000 UG/L 2 1 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 INORGANIC-202403 1036 NICKEL 19.000 10.000 UG/L 100 10 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 INORGANIC-202609 1039 PERCHLORATE < 2.000 UG/L 6 2 09-12-2023 36 2026/09
CA2800625_005_005 INORGANIC-202403 1045 SELENIUM < 5.000 UG/L 50 5 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 INORGANIC-202403 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 03-31-2015 108 2024/03 DUE NOW
CA2800625_005_005 NITRATE/NITRITE-202412 1040 NITRATE < 0.400 MG/L 10 .4 12-14-2023 12 2024/12
CA2800625_005_005 NITRATE/NITRITE-202405 1041 NITRITE < 0.400 MG/L 1 .4 05-19-2021 36 2024/05
CA2800625_005_005 RADIOLOGICAL-203302 4109 GROSS ALPHA PARTICLE ACTIVITY < 1.620 PCI/L 15 3 02-28-2024 108 2033/02
CA2800625_005_005 REGULATED VOC-202402 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2990 BENZENE < 0.500 UG/L 1 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202405 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 05-19-2021 36 2024/05
CA2800625_005_005 REGULATED VOC-202402 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2996 STYRENE < 0.500 UG/L 100 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2991 TOLUENE < 0.500 UG/L 150 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED VOC-202402 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 02-08-2018 72 2024/02 DUE NOW
CA2800625_005_005 REGULATED SOC-203005 2110 2,4,5-TP < 1.000 UG/L 50 1 05-19-2021 108 2030/05
CA2800625_005_005 REGULATED SOC-203005 2105 2,4-D < 10.000 UG/L 70 10 05-19-2021 108 2030/05
CA2800625_005_005 REGULATED SOC-202703 2050 ATRAZINE < 0.250 UG/L 1 .5 03-01-2024 36 2027/03
CA2800625_005_005 REGULATED SOC-203005 2031 DALAPON < 10.000 UG/L 200 10 05-19-2021 108 2030/05
CA2800625_005_005 REGULATED SOC-202703 2037 SIMAZINE < 0.250 UG/L 4 1 03-01-2024 36 2027/03
CA2800625_005_005 GENERAL NON CHAP 15-202405 1927 ALKALINITY, TOTAL 78.000 MG/L 05-19-2021 36 2024/05
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.