Date:05-17-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1000472SYSTEM NAME:PG&E HELMS SUPPORT FACILITYCOUNTY:FRESNO 
SOURCE NO.:001SOURCE NAME:WELL 01- RAW - BEFORE AS TRTMTSOURCE CLASS:CTGDSTATUS: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
CA1000472_001_001 SECONDARY/GP-202511 1928 ALKALINITY, BICARBONATE 36.000 1.100 MG/L 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202611 1919 CALCIUM 5.300 0.100 MG/L 11-01-2023 36 2026/11
CA1000472_001_001 SECONDARY/GP-202511 1929 ALKALINITY, CARBONATE < 1.700 MG/L 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 1017 CHLORIDE 19.000 2.000 MG/L 500 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 1905 COLOR < 1.000 UNITS 15 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 1022 COPPER, FREE < 5.000 UG/L 1000 50 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202611 1915 HARDNESS, TOTAL (AS CACO3) 13.000 0.660 MG/L 11-01-2023 36 2026/11
CA1000472_001_001 SECONDARY/GP-202511 1021 HYDROXIDE AS CALCIUM CARBONATE < 2.900 MG/L 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 1028 IRON < 100.000 UG/L 300 100 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202611 1031 MAGNESIUM < 0.100 MG/L 11-01-2023 36 2026/11
CA1000472_001_001 SECONDARY/GP-202511 1032 MANGANESE < 5.000 UG/L 50 20 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 1920 ODOR 1.000 1.000 TON 3 1 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 1925 PH 6.400 0.100 pH 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 1050 SILVER < 5.000 UG/L 100 10 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 1052 SODIUM 27.000 1.000 MG/L 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 1064 CONDUCTIVITY @ 25 C UMHOS/CM 150.000 1.000 UMHO/CM 1600 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 1055 SULFATE 14.000 2.000 MG/L 500 .5 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 1930 TDS 170.000 10.000 MG/L 1000 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 0100 TURBIDITY < 0.100 NTU 5 .1 11-22-2022 36 2025/11
CA1000472_001_001 SECONDARY/GP-202511 1095 ZINC 6.000 5.000 UG/L 5000 50 11-22-2022 36 2025/11
CA1000472_001_001 INORGANIC-202407 1002 ALUMINUM 4.000 50.000 UG/L 1000 50 07-06-2021 36 2024/07
CA1000472_001_001 INORGANIC-202407 1074 ANTIMONY, TOTAL 1.500 6.000 UG/L 6 6 07-06-2021 36 2024/07
CA1000472_001_001 INORGANIC-202407 1005 ARSENIC 41.000 1.000 UG/L 10 2 04-02-2024 3 2024/07
CA1000472_001_001 INORGANIC-202612 1094 ASBESTOS < 0.200 MFL 7 .2 12-27-2017 108 2026/12
CA1000472_001_001 INORGANIC-202407 1010 BARIUM < 100.000 UG/L 1000 100 07-06-2021 36 2024/07
CA1000472_001_001 INORGANIC-202407 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-06-2021 36 2024/07
CA1000472_001_001 INORGANIC-202407 1015 CADMIUM < 1.000 UG/L 5 1 07-06-2021 36 2024/07
CA1000472_001_001 INORGANIC-202407 1020 CHROMIUM < 10.000 UG/L 50 10 07-06-2021 36 2024/07
CA1000472_001_001 INORGANIC-202407 1025 FLUORIDE 1.000 0.100 MG/L 2 .1 07-06-2021 36 2024/07
CA1000472_001_001 INORGANIC-202407 1035 MERCURY 0.450 1.000 UG/L 2 1 07-06-2021 36 2024/07
CA1000472_001_001 INORGANIC-202407 1036 NICKEL < 10.000 UG/L 100 10 07-06-2021 36 2024/07
CA1000472_001_001 INORGANIC-202407 1039 PERCHLORATE < 2.000 UG/L 6 2 07-06-2021 36 2024/07
CA1000472_001_001 INORGANIC-202407 1045 SELENIUM < 5.000 UG/L 50 5 07-06-2021 36 2024/07
CA1000472_001_001 INORGANIC-202407 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-06-2021 36 2024/07
CA1000472_001_001 NITRATE/NITRITE-202412 1040 NITRATE < 0.400 MG/L 10 .4 12-21-2023 12 2024/12
CA1000472_001_001 NITRATE/NITRITE-202612 1041 NITRITE < 0.300 MG/L 1 .4 12-21-2023 36 2026/12
CA1000472_001_001 RADIOLOGICAL-202402 4109 GROSS ALPHA PARTICLE ACTIVITY 11.100 +/- 1.690 0.996 PCI/L 15 3 11-01-2023 3 2024/02 DUE NOW
CA1000472_001_001 REGULATED VOC-202707 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2990 BENZENE < 0.500 UG/L 1 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2996 STYRENE < 0.500 UG/L 100 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2991 TOLUENE < 0.500 UG/L 150 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED VOC-202707 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-06-2021 72 2027/07
CA1000472_001_001 REGULATED SOC-202503 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 03-26-2019 72 2025/03
CA1000472_001_001 REGULATED SOC-202911 2050 ATRAZINE < 1.000 UG/L 1 .5 11-01-2023 72 2029/11
CA1000472_001_001 REGULATED SOC-202911 2037 SIMAZINE < 1.000 UG/L 4 1 11-01-2023 72 2029/11
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.