Date:05-19-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4010300SYSTEM NAME:HEARST MONUMENT STATE PARKCOUNTY:SAN LUIS OBISPO 
SOURCE NO.:001SOURCE NAME:CASTLE SPRING GALLERY - RAWSOURCE CLASS:NTNCSTATUS: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
CA4010300_001_001 SECONDARY/GP-202603 1994 AGGRESSIVE INDEX 9.800 AGGR 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1928 ALKALINITY, BICARBONATE 30.000 10.000 MG/L 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1919 CALCIUM 4.000 1.000 MG/L 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1929 ALKALINITY, CARBONATE < 10.000 MG/L 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1017 CHLORIDE 5.000 1.000 MG/L 500 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1905 COLOR 6.000 5.000 UNITS 15 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1022 COPPER, FREE < 50.000 UG/L 1000 50 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1915 HARDNESS, TOTAL (AS CACO3) 18.200 1.000 MG/L 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1021 HYDROXIDE AS CALCIUM CARBONATE < 10.000 MG/L 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1028 IRON 30.000 30.000 UG/L 300 100 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1031 MAGNESIUM 2.000 1.000 MG/L 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1032 MANGANESE < 10.000 UG/L 50 20 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1920 ODOR < 1.000 TON 3 1 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202105 1925 PH 7.100 pH 05-07-2018 36 2021/05 DUE NOW
CA4010300_001_001 SECONDARY/GP-202105 1050 SILVER < 10.000 UG/L 100 10 05-07-2018 36 2021/05 DUE NOW
CA4010300_001_001 SECONDARY/GP-202603 1052 SODIUM 6.000 1.000 MG/L 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1064 CONDUCTIVITY @ 25 C UMHOS/CM 70.000 UMHO/CM 1600 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1055 SULFATE 3.000 0.500 MG/L 500 .5 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1930 TDS 20.000 20.000 MG/L 1000 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 0100 TURBIDITY 2.100 0.100 NTU 5 .1 03-22-2023 36 2026/03
CA4010300_001_001 SECONDARY/GP-202603 1095 ZINC < 20.000 UG/L 5000 50 03-22-2023 36 2026/03
CA4010300_001_001 INORGANIC-202107 1002 ALUMINUM < 50.000 UG/L 1000 50 07-20-2018 36 2021/07 DUE NOW
CA4010300_001_001 INORGANIC-202107 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 07-20-2018 36 2021/07 DUE NOW
CA4010300_001_001 INORGANIC-202107 1005 ARSENIC < 2.000 UG/L 10 2 07-20-2018 36 2021/07 DUE NOW
CA4010300_001_001 INORGANIC-202107 1010 BARIUM < 100.000 UG/L 1000 100 07-20-2018 36 2021/07 DUE NOW
CA4010300_001_001 INORGANIC-202107 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-20-2018 36 2021/07 DUE NOW
CA4010300_001_001 INORGANIC-202107 1015 CADMIUM < 1.000 UG/L 5 1 07-20-2018 36 2021/07 DUE NOW
CA4010300_001_001 INORGANIC-202107 1020 CHROMIUM < 10.000 UG/L 50 10 07-20-2018 36 2021/07 DUE NOW
CA4010300_001_001 INORGANIC-202603 1025 FLUORIDE < 0.100 MG/L 2 .1 03-22-2023 36 2026/03
CA4010300_001_001 INORGANIC-202107 1030 LEAD < 5.000 UG/L 5 07-20-2018 36 2021/07 DUE NOW
CA4010300_001_001 INORGANIC-202107 1035 MERCURY < 1.000 UG/L 2 1 07-20-2018 36 2021/07 DUE NOW
CA4010300_001_001 INORGANIC-202107 1036 NICKEL < 10.000 UG/L 100 10 07-20-2018 36 2021/07 DUE NOW
CA4010300_001_001 INORGANIC-201912 1039 PERCHLORATE < 4.000 UG/L 6 4 12-08-2016 36 2019/12 DUE NOW
CA4010300_001_001 INORGANIC-202107 1045 SELENIUM < 5.000 UG/L 50 5 07-20-2018 36 2021/07 DUE NOW
CA4010300_001_001 INORGANIC-202107 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-20-2018 36 2021/07 DUE NOW
CA4010300_001_001 NITRATE/NITRITE-202503 1040 NITRATE < 0.400 MG/L 10 .4 03-25-2024 12 2025/03
CA4010300_001_001 NITRATE/NITRITE-202603 1041 NITRITE < 0.400 MG/L 1 .4 03-22-2023 36 2026/03
CA4010300_001_001 RADIOLOGICAL-202212 4109 GROSS ALPHA PARTICLE ACTIVITY < 1.200 PCI/L 15 3 12-03-2013 108 2022/12 DUE NOW
CA4010300_001_001 REGULATED VOC-202708 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2990 BENZENE < 0.500 UG/L 1 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2996 STYRENE < 0.500 UG/L 100 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2991 TOLUENE < 0.500 UG/L 150 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED VOC-202708 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 08-02-2018 108 2027/08
CA4010300_001_001 REGULATED SOC-202405 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 05-18-2021 36 2024/05 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.