Date:05-12-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:0610004SYSTEM NAME:CITY OF WILLIAMSCOUNTY:COLUSA 
SOURCE NO.:004SOURCE NAME:WELL 08 - RAWSOURCE CLASS:CLGPSTATUS: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
CA0610004_004_004 SECONDARY/GP-203212 1928 ALKALINITY, BICARBONATE 270.000 5.000 MG/L 12-05-2023 108 2032/12
CA0610004_004_004 SECONDARY/GP-203009 1919 CALCIUM 47.000 1.000 MG/L 09-14-2021 108 2030/09
CA0610004_004_004 SECONDARY/GP-203212 1929 ALKALINITY, CARBONATE < 5.000 MG/L 12-05-2023 108 2032/12
CA0610004_004_004 SECONDARY/GP-202511 1017 CHLORIDE 30.000 MG/L 500 11-03-2016 108 2025/11
CA0610004_004_004 SECONDARY/GP-203212 1905 COLOR < 5.000 UNITS 15 12-05-2023 108 2032/12
CA0610004_004_004 SECONDARY/GP-202410 1022 COPPER, FREE < 50.000 UG/L 1000 50 10-28-2015 108 2024/10
CA0610004_004_004 SECONDARY/GP-202410 2905 FOAMING AGENTS (SURFACTANTS) < MG/L .5 10-28-2015 108 2024/10
CA0610004_004_004 SECONDARY/GP-203009 1915 HARDNESS, TOTAL (AS CACO3) 236.000 5.000 MG/L 09-14-2021 108 2030/09
CA0610004_004_004 SECONDARY/GP-203212 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 12-05-2023 108 2032/12
CA0610004_004_004 SECONDARY/GP-203207 1028 IRON < 100.000 UG/L 300 100 07-11-2023 108 2032/07
CA0610004_004_004 SECONDARY/GP-203009 1031 MAGNESIUM 29.000 1.000 MG/L 09-14-2021 108 2030/09
CA0610004_004_004 SECONDARY/GP-203304 1032 MANGANESE < 20.000 UG/L 50 20 04-02-2024 108 2033/04
CA0610004_004_004 SECONDARY/GP-203212 1920 ODOR < 1.000 TON 3 1 12-05-2023 108 2032/12
CA0610004_004_004 SECONDARY/GP-203212 1925 PH 7.900 1.680 pH 12-05-2023 108 2032/12
CA0610004_004_004 SECONDARY/GP-203212 1050 SILVER < 10.000 UG/L 100 10 12-05-2023 108 2032/12
CA0610004_004_004 SECONDARY/GP-203212 1052 SODIUM 98.000 1.000 MG/L 12-05-2023 108 2032/12
CA0610004_004_004 SECONDARY/GP-202710 1064 CONDUCTIVITY @ 25 C UMHOS/CM 1200.000 UMHO/CM 1600 10-03-2018 108 2027/10
CA0610004_004_004 SECONDARY/GP-202511 1055 SULFATE 68.000 0.500 MG/L 500 .5 11-03-2016 108 2025/11
CA0610004_004_004 SECONDARY/GP-202511 1930 TDS 450.000 MG/L 1000 11-03-2016 108 2025/11
CA0610004_004_004 SECONDARY/GP-203212 0100 TURBIDITY < 0.200 NTU 5 .1 12-05-2023 108 2032/12
CA0610004_004_004 SECONDARY/GP-203212 1095 ZINC < 50.000 UG/L 5000 50 12-05-2023 108 2032/12
CA0610004_004_004 INORGANIC-202511 1002 ALUMINUM < 50.000 UG/L 1000 50 11-03-2016 108 2025/11
CA0610004_004_004 INORGANIC-202511 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 11-03-2016 108 2025/11
CA0610004_004_004 INORGANIC-202511 1005 ARSENIC < 2.000 UG/L 10 2 11-09-2022 36 2025/11
CA0610004_004_004 INORGANIC-202511 1010 BARIUM < 100.000 UG/L 1000 100 11-03-2016 108 2025/11
CA0610004_004_004 INORGANIC-202511 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 11-03-2016 108 2025/11
CA0610004_004_004 INORGANIC-202511 1015 CADMIUM < 1.000 UG/L 5 1 11-03-2016 108 2025/11
CA0610004_004_004 INORGANIC-202511 1020 CHROMIUM < 10.000 UG/L 50 10 11-03-2016 108 2025/11
CA0610004_004_004 INORGANIC-202511 1025 FLUORIDE 0.490 0.100 MG/L 2 .1 11-03-2016 108 2025/11
CA0610004_004_004 INORGANIC-202511 1035 MERCURY < 1.000 UG/L 2 1 11-03-2016 108 2025/11
CA0610004_004_004 INORGANIC-202511 1036 NICKEL < 10.000 UG/L 100 10 11-03-2016 108 2025/11
CA0610004_004_004 INORGANIC-202410 1039 PERCHLORATE < 2.000 UG/L 6 2 10-05-2021 36 2024/10
CA0610004_004_004 INORGANIC-202511 1045 SELENIUM < 5.000 UG/L 50 5 11-03-2016 108 2025/11
CA0610004_004_004 INORGANIC-202511 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 11-03-2016 108 2025/11
CA0610004_004_004 NITRATE/NITRITE-202411 1040 NITRATE 1.100 0.400 MG/L 10 .4 11-07-2023 12 2024/11
CA0610004_004_004 NITRATE/NITRITE-202511 1041 NITRITE < 0.400 MG/L 1 .4 11-01-2022 36 2025/11
CA0610004_004_004 RADIOLOGICAL-202710 4109 GROSS ALPHA PARTICLE ACTIVITY 3.370 +/- 1.500 1.700 PCI/L 15 3 10-03-2018 108 2027/10
CA0610004_004_004 RADIOLOGICAL-202709 4030 RADIUM-228 0.461 +/- 0.809 0.400 PCI/L 1 09-05-2018 108 2027/09
CA0610004_004_004 REGULATED VOC-202711 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2990 BENZENE < 0.500 UG/L 1 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2996 STYRENE < 0.500 UG/L 100 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2991 TOLUENE < 0.500 UG/L 150 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 11-02-2021 72 2027/11
CA0610004_004_004 REGULATED VOC-202711 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 11-02-2021 72 2027/11
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.