Date:05-14-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4700569SYSTEM NAME:WILLOW CREEK SCHOOLCOUNTY:SISKIYOU 
SOURCE NO.:001SOURCE NAME:WELL 02 - 1989 WELLSOURCE 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
CA4700569_001_001 INORGANIC-202511 1002 ALUMINUM < 50.000 UG/L 1000 50 11-14-2016 108 2025/11
CA4700569_001_001 INORGANIC-202511 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 11-14-2016 108 2025/11
CA4700569_001_001 INORGANIC-202511 1005 ARSENIC 3.900 2.000 UG/L 10 2 11-14-2016 108 2025/11
CA4700569_001_001 INORGANIC-202511 1010 BARIUM < 100.000 UG/L 1000 100 11-14-2016 108 2025/11
CA4700569_001_001 INORGANIC-202511 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 11-14-2016 108 2025/11
CA4700569_001_001 INORGANIC-202511 1015 CADMIUM < 1.000 UG/L 5 1 11-14-2016 108 2025/11
CA4700569_001_001 INORGANIC-202511 1020 CHROMIUM < 10.000 UG/L 50 10 11-14-2016 108 2025/11
CA4700569_001_001 INORGANIC-202709 1025 FLUORIDE 0.210 0.100 MG/L 2 .1 09-13-2018 108 2027/09
CA4700569_001_001 INORGANIC-202511 1035 MERCURY < 1.000 UG/L 2 1 11-14-2016 108 2025/11
CA4700569_001_001 INORGANIC-202511 1036 NICKEL < 10.000 UG/L 100 10 11-14-2016 108 2025/11
CA4700569_001_001 INORGANIC-202703 1039 PERCHLORATE < 0.500 UG/L 6 1 03-07-2024 36 2027/03
CA4700569_001_001 INORGANIC-202511 1045 SELENIUM < 5.000 UG/L 50 5 11-14-2016 108 2025/11
CA4700569_001_001 INORGANIC-202511 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 11-14-2016 108 2025/11
CA4700569_001_001 NITRATE/NITRITE-202503 1040 NITRATE 1.790 0.100 MG/L 10 .4 03-07-2024 12 2025/03
CA4700569_001_001 NITRATE/NITRITE-202506 1041 NITRITE 0.021 0.020 MG/L 1 .4 06-02-2022 36 2025/06
CA4700569_001_001 RADIOLOGICAL-202511 4109 GROSS ALPHA PARTICLE ACTIVITY < 3.200 PCI/L 15 3 11-14-2016 108 2025/11
CA4700569_001_001 REGULATED VOC-202604 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2990 BENZENE < 0.500 UG/L 1 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2996 STYRENE < 0.500 UG/L 100 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2991 TOLUENE < 0.500 UG/L 150 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED VOC-202604 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 04-02-2020 72 2026/04
CA4700569_001_001 REGULATED SOC-202506 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 06-02-2022 36 2025/06
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.