Date:05-18-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:2810003SYSTEM NAME:NAPA, CITY OFCOUNTY:NAPA 
SOURCE NO.:001SOURCE NAME:HENNESSEY RESERVOIR INTAKESOURCE CLASS:CLSPSTATUS: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
CA2810003_001_001 SECONDARY/GP-202307 1928 ALKALINITY, BICARBONATE 150.000 5.000 MG/L 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1919 CALCIUM 21.000 1.000 MG/L 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1929 ALKALINITY, CARBONATE < 5.000 MG/L 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1017 CHLORIDE 8.400 0.500 MG/L 500 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1905 COLOR 30.000 1.000 UNITS 15 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1022 COPPER, FREE < 50.000 UG/L 1000 50 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1915 HARDNESS, TOTAL (AS CACO3) 160.000 1.000 MG/L 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1028 IRON < 100.000 UG/L 300 100 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1031 MAGNESIUM 26.000 1.000 MG/L 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1032 MANGANESE 79.000 20.000 UG/L 50 20 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1920 ODOR < 1.000 TON 3 1 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1925 PH 8.120 0.010 pH 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1050 SILVER < 10.000 UG/L 100 10 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1052 SODIUM 12.000 1.000 MG/L 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1064 CONDUCTIVITY @ 25 C UMHOS/CM 330.000 1.000 UMHO/CM 1600 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1055 SULFATE 22.000 0.500 MG/L 500 .5 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1930 TDS 220.000 10.000 MG/L 1000 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 0100 TURBIDITY 2.100 0.100 NTU 5 .1 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 SECONDARY/GP-202307 1095 ZINC < 50.000 UG/L 5000 50 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 INORGANIC-202307 1002 ALUMINUM < 50.000 UG/L 1000 50 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 INORGANIC-202307 1074 ANTIMONY, TOTAL < 4.000 UG/L 6 6 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 INORGANIC-202307 1005 ARSENIC < 2.000 UG/L 10 2 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 INORGANIC-202612 1094 ASBESTOS < 0.200 MFL 7 .2 12-06-2017 108 2026/12
CA2810003_001_001 INORGANIC-202307 1010 BARIUM < 100.000 UG/L 1000 100 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 INORGANIC-202307 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 INORGANIC-202307 1015 CADMIUM < 1.000 UG/L 5 1 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 INORGANIC-202307 1020 CHROMIUM < 10.000 UG/L 50 10 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 INORGANIC-202307 1025 FLUORIDE < 0.100 MG/L 2 .1 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 INORGANIC-202307 1035 MERCURY < 1.000 UG/L 2 1 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 INORGANIC-202307 1036 NICKEL < 10.000 UG/L 100 10 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 INORGANIC-202307 1039 PERCHLORATE < 2.000 UG/L 6 2 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 INORGANIC-202307 1045 SELENIUM < 5.000 UG/L 50 5 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 INORGANIC-202307 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 NITRATE/NITRITE-202307 1040 NITRATE < 0.400 MG/L 10 .4 07-06-2022 12 2023/07 DUE NOW
CA2810003_001_001 NITRATE/NITRITE-202507 1041 NITRITE < 0.400 MG/L 1 .4 07-06-2022 36 2025/07
CA2810003_001_001 RADIOLOGICAL-202507 4109 GROSS ALPHA PARTICLE ACTIVITY 0.344 +/- 0.935 1.400 PCI/L 15 3 07-27-2016 108 2025/07
CA2810003_001_001 RADIOLOGICAL-202507 4030 RADIUM-228 0.074 +/- 0.545 0.200 PCI/L 1 07-27-2016 108 2025/07
CA2810003_001_001 REGULATED VOC-202507 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202307 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-08-2020 36 2023/07 DUE NOW
CA2810003_001_001 REGULATED VOC-202507 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2990 BENZENE < 0.500 UG/L 1 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2996 STYRENE < 0.500 UG/L 100 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2991 TOLUENE < 0.500 UG/L 150 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED VOC-202507 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED SOC-203107 2110 2,4,5-TP < 1.000 UG/L 50 1 07-06-2022 108 2031/07
CA2810003_001_001 REGULATED SOC-203107 2105 2,4-D < 1.000 UG/L 70 10 07-06-2022 108 2031/07
CA2810003_001_001 REGULATED SOC-202507 2050 ATRAZINE < 0.500 UG/L 1 .5 07-06-2022 36 2025/07
CA2810003_001_001 REGULATED SOC-203107 2031 DALAPON < 1.000 UG/L 200 10 07-06-2022 108 2031/07
CA2810003_001_001 REGULATED SOC-202507 2037 SIMAZINE < 1.000 UG/L 4 1 07-06-2022 36 2025/07
CA2810003_001_001 GENERAL NON CHAP 15-202208 1927 ALKALINITY, TOTAL 150.000 5.000 MG/L 07-06-2022 1 2022/08 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.