Date:05-10-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:0400161SYSTEM NAME:COHASSET INDUSTRIAL PARKCOUNTY:BUTTE 
SOURCE NO.:001SOURCE NAME:WELL #1SOURCE 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
CA0400161_001_001 INORGANIC-201005 1002 ALUMINUM < 10.000 UG/L 1000 50 05-02-2007 36 2010/05 DUE NOW
CA0400161_001_001 INORGANIC-201005 1074 ANTIMONY, TOTAL < 1.000 UG/L 6 6 05-02-2007 36 2010/05 DUE NOW
CA0400161_001_001 INORGANIC-203106 1005 ARSENIC < 2.000 UG/L 10 2 06-28-2022 108 2031/06
CA0400161_001_001 INORGANIC-201005 1010 BARIUM 17.600 100.000 UG/L 1000 100 05-02-2007 36 2010/05 DUE NOW
CA0400161_001_001 INORGANIC-201005 1075 BERYLLIUM, TOTAL < 0.200 UG/L 4 1 05-02-2007 36 2010/05 DUE NOW
CA0400161_001_001 INORGANIC-201005 1015 CADMIUM < 0.200 UG/L 5 1 05-02-2007 36 2010/05 DUE NOW
CA0400161_001_001 INORGANIC-201005 1020 CHROMIUM 5.000 10.000 UG/L 50 10 05-02-2007 36 2010/05 DUE NOW
CA0400161_001_001 INORGANIC-201005 1025 FLUORIDE < 0.100 MG/L 2 .1 05-02-2007 36 2010/05 DUE NOW
CA0400161_001_001 INORGANIC-201005 1035 MERCURY < UG/L 2 1 05-02-2007 36 2010/05 DUE NOW
CA0400161_001_001 INORGANIC-201005 1036 NICKEL < 1.000 UG/L 100 10 05-02-2007 36 2010/05 DUE NOW
CA0400161_001_001 INORGANIC-202504 1039 PERCHLORATE 1.200 0.500 UG/L 6 2 04-29-2022 36 2025/04
CA0400161_001_001 INORGANIC-201005 1045 SELENIUM < 2.000 UG/L 50 5 05-02-2007 36 2010/05 DUE NOW
CA0400161_001_001 INORGANIC-201005 1085 THALLIUM, TOTAL < 0.200 UG/L 2 1 05-02-2007 36 2010/05 DUE NOW
CA0400161_001_001 NITRATE/NITRITE-202305 1040 NITRATE 3.210 0.250 MG/L 10 .4 05-26-2022 12 2023/05 DUE NOW
CA0400161_001_001 NITRATE/NITRITE-202506 1041 NITRITE < 0.100 MG/L 1 .4 06-28-2022 36 2025/06
CA0400161_001_001 RADIOLOGICAL-201811 4109 GROSS ALPHA PARTICLE ACTIVITY < 1.000 PCI/L 15 3 08-20-2018 3 2018/11 DUE NOW
CA0400161_001_001 REGULATED VOC-202609 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2990 BENZENE < 0.500 UG/L 1 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2996 STYRENE < 0.500 UG/L 100 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2991 TOLUENE < 0.500 UG/L 150 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED VOC-202609 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 09-29-2020 72 2026/09
CA0400161_001_001 REGULATED SOC-202612 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 12-22-2023 36 2026/12
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.