Date:06-26-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4500016SYSTEM NAME:LAKEHEAD SUBD MUTUAL WATER COCOUNTY:SHASTA 
SOURCE NO.:All SourcesSOURCE NAME:N/ASOURCE CLASS:N/ASTATUS:N/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
CA4500016_001_001 SECONDARY/GP-203102 1928 ALKALINITY, BICARBONATE 70.000 5.000 MG/L 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1919 CALCIUM 15.600 1.000 MG/L 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1929 ALKALINITY, CARBONATE < 5.000 MG/L 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1017 CHLORIDE 1.050 0.500 MG/L 500 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1905 COLOR < 5.000 UNITS 15 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1022 COPPER, FREE 69.300 0.500 UG/L 1000 50 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1915 HARDNESS, TOTAL (AS CACO3) 60.000 5.000 MG/L 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1028 IRON 300.000 50.000 UG/L 300 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1031 MAGNESIUM 6.400 1.000 MG/L 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1032 MANGANESE 3.390 0.500 UG/L 50 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1920 ODOR < 1.000 TON 3 1 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1925 PH 7.640 pH 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1050 SILVER < 0.200 UG/L 100 10 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1052 SODIUM 7.300 1.000 MG/L 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1064 CONDUCTIVITY @ 25 C UMHOS/CM 154.000 10.000 UMHO/CM 1600 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1055 SULFATE 5.010 0.500 MG/L 500 .5 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1930 TDS 112.000 8.000 MG/L 1000 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 0100 TURBIDITY < 0.500 NTU 5 .1 02-07-2022 108 2031/02
CA4500016_001_001 SECONDARY/GP-203102 1095 ZINC 30.600 2.000 UG/L 5000 50 02-07-2022 108 2031/02
CA4500016_001_001 INORGANIC-203102 1002 ALUMINUM < 5.000 UG/L 1000 50 02-07-2022 108 2031/02
CA4500016_001_001 INORGANIC-203102 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 02-07-2022 108 2031/02
CA4500016_001_001 INORGANIC-203102 1005 ARSENIC < 2.000 UG/L 10 2 02-07-2022 108 2031/02
CA4500016_001_001 INORGANIC-203102 1010 BARIUM 11.700 0.500 UG/L 1000 100 02-07-2022 108 2031/02
CA4500016_001_001 INORGANIC-203102 1075 BERYLLIUM, TOTAL 0.630 0.500 UG/L 4 1 02-07-2022 108 2031/02
CA4500016_001_001 INORGANIC-203102 1015 CADMIUM < 0.200 UG/L 5 1 02-07-2022 108 2031/02
CA4500016_001_001 INORGANIC-203102 1020 CHROMIUM < 2.000 UG/L 50 10 02-07-2022 108 2031/02
CA4500016_001_001 INORGANIC-203102 1025 FLUORIDE 0.150 0.100 MG/L 2 .1 02-07-2022 108 2031/02
CA4500016_001_001 INORGANIC-203102 1035 MERCURY < 0.100 UG/L 2 1 02-07-2022 108 2031/02
CA4500016_001_001 INORGANIC-203102 1036 NICKEL 1.880 0.500 UG/L 100 10 02-07-2022 108 2031/02
CA4500016_001_001 INORGANIC-202502 1039 PERCHLORATE < 0.500 UG/L 6 2 02-07-2022 36 2025/02
CA4500016_001_001 INORGANIC-203102 1045 SELENIUM < 2.000 UG/L 50 5 02-07-2022 108 2031/02
CA4500016_001_001 INORGANIC-203102 1085 THALLIUM, TOTAL < 0.500 UG/L 2 1 02-07-2022 108 2031/02
CA4500016_001_001 NITRATE/NITRITE-202503 1040 NITRATE 0.170 0.100 MG/L 10 .4 03-07-2024 12 2025/03
CA4500016_001_001 NITRATE/NITRITE-202602 1041 NITRITE < 0.100 MG/L 1 .4 02-06-2023 36 2026/02
CA4500016_001_001 RADIOLOGICAL-202412 4109 GROSS ALPHA PARTICLE ACTIVITY < 0.700 PCI/L 15 3 12-03-2015 108 2024/12
CA4500016_001_001 RADIOLOGICAL-202705 4030 RADIUM-228 < 0.500 PCI/L 1 05-07-2018 108 2027/05
CA4500016_001_001 REGULATED VOC-202802 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2990 BENZENE < 0.500 UG/L 1 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2251 METHYL TERT-BUTYL ETHER < 0.500 UG/L 13 3 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2996 STYRENE < 0.500 UG/L 100 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2991 TOLUENE < 0.500 UG/L 150 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 02-07-2022 72 2028/02
CA4500016_001_001 REGULATED VOC-202802 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 02-07-2022 72 2028/02
CA4500016_DST_801 DISINFECTION BYPRODUCTS-202607 2943 BROMODICHLOROMETHANE < 0.500 UG/L 1 07-03-2023 36 2026/07
CA4500016_DST_801 DISINFECTION BYPRODUCTS-202607 2942 BROMOFORM < 0.500 UG/L 1 07-03-2023 36 2026/07
CA4500016_DST_801 DISINFECTION BYPRODUCTS-202607 2941 CHLOROFORM < 0.500 UG/L 1 07-03-2023 36 2026/07
CA4500016_DST_801 DISINFECTION BYPRODUCTS-202607 2454 DIBROMOACETIC ACID < 1.000 UG/L 1 07-03-2023 36 2026/07
CA4500016_DST_801 DISINFECTION BYPRODUCTS-202607 2944 DIBROMOCHLOROMETHANE < 0.500 UG/L 1 07-03-2023 36 2026/07
CA4500016_DST_801 DISINFECTION BYPRODUCTS-202607 2451 DICHLOROACETIC ACID < 1.000 UG/L 1 07-03-2023 36 2026/07
CA4500016_DST_801 DISINFECTION BYPRODUCTS-202607 2456 TOTAL HALOACETIC ACIDS (HAA5) < 1.000 UG/L 60 07-03-2023 36 2026/07
CA4500016_DST_801 DISINFECTION BYPRODUCTS-202607 2453 MONOBROMOACETIC ACID < 1.000 UG/L 1 07-03-2023 36 2026/07
CA4500016_DST_801 DISINFECTION BYPRODUCTS-202607 2450 MONOCHLOROACETIC ACID < 1.000 UG/L 2 07-03-2023 36 2026/07
CA4500016_DST_801 DISINFECTION BYPRODUCTS-202607 2950 TTHM < 2.000 UG/L 80 07-03-2023 36 2026/07
CA4500016_DST_801 DISINFECTION BYPRODUCTS-202607 2452 TRICHLOROACETIC ACID < 1.000 UG/L 1 07-03-2023 36 2026/07
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.