Date:05-19-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:5200574SYSTEM NAME:DEL ORO WC - LARKSPUR MEADOWSCOUNTY:TEHAMA 
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
CA5200574_002_002 SECONDARY/GP-202805 1928 ALKALINITY, BICARBONATE 127.000 MG/L 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1919 CALCIUM 19.700 MG/L 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1929 ALKALINITY, CARBONATE < MG/L 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1017 CHLORIDE 3.840 MG/L 500 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1905 COLOR < UNITS 15 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1022 COPPER, FREE < 50.000 UG/L 1000 50 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 2905 FOAMING AGENTS (SURFACTANTS) < MG/L .5 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1915 HARDNESS, TOTAL (AS CACO3) 89.000 MG/L 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1021 HYDROXIDE AS CALCIUM CARBONATE < MG/L 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1028 IRON < 100.000 UG/L 300 100 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1031 MAGNESIUM 9.640 MG/L 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1032 MANGANESE < 20.000 UG/L 50 20 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1920 ODOR < 1.000 TON 3 1 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1925 PH 7.420 pH 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1050 SILVER < 10.000 UG/L 100 10 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1052 SODIUM 22.500 MG/L 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1064 CONDUCTIVITY @ 25 C UMHOS/CM 283.000 UMHO/CM 1600 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1055 SULFATE 8.260 0.500 MG/L 500 .5 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1930 TDS 110.000 MG/L 1000 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 0100 TURBIDITY 0.250 0.100 NTU 5 .1 05-14-2019 108 2028/05
CA5200574_002_002 SECONDARY/GP-202805 1095 ZINC 34.550 50.000 UG/L 5000 50 05-14-2019 108 2028/05
CA5200574_002_002 INORGANIC-202805 1002 ALUMINUM < 50.000 UG/L 1000 50 05-14-2019 108 2028/05
CA5200574_002_002 INORGANIC-202805 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 05-14-2019 108 2028/05
CA5200574_002_002 INORGANIC-202605 1005 ARSENIC < 2.000 UG/L 10 2 05-09-2023 36 2026/05
CA5200574_002_002 INORGANIC-202805 1010 BARIUM 111.100 100.000 UG/L 1000 100 05-14-2019 108 2028/05
CA5200574_002_002 INORGANIC-202805 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 05-14-2019 108 2028/05
CA5200574_002_002 INORGANIC-202805 1015 CADMIUM < 1.000 UG/L 5 1 05-14-2019 108 2028/05
CA5200574_002_002 INORGANIC-202805 1020 CHROMIUM 5.666 10.000 UG/L 50 10 05-14-2019 108 2028/05
CA5200574_002_002 INORGANIC-202805 1025 FLUORIDE < 0.100 MG/L 2 .1 05-14-2019 108 2028/05
CA5200574_002_002 INORGANIC-202805 1035 MERCURY < 1.000 UG/L 2 1 05-14-2019 108 2028/05
CA5200574_002_002 INORGANIC-202805 1036 NICKEL < 10.000 UG/L 100 10 05-14-2019 108 2028/05
CA5200574_002_002 INORGANIC-202605 1039 PERCHLORATE < 2.000 UG/L 6 2 05-09-2023 36 2026/05
CA5200574_002_002 INORGANIC-202805 1045 SELENIUM < 5.000 UG/L 50 5 05-14-2019 108 2028/05
CA5200574_002_002 INORGANIC-202805 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 05-14-2019 108 2028/05
CA5200574_002_002 NITRATE/NITRITE-202505 1040 NITRATE 1.060 0.400 MG/L 10 .4 05-14-2024 12 2025/05
CA5200574_002_002 NITRATE/NITRITE-202605 1041 NITRITE < 0.200 MG/L 1 .4 05-09-2023 36 2026/05
CA5200574_002_002 RADIOLOGICAL-202603 4109 GROSS ALPHA PARTICLE ACTIVITY < 0.700 PCI/L 15 3 03-01-2017 108 2026/03
CA5200574_002_002 RADIOLOGICAL-202603 4030 RADIUM-228 0.290 +/- 0.110 0.400 PCI/L 1 03-01-2017 108 2026/03
CA5200574_002_002 REGULATED VOC-202505 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2990 BENZENE < 0.500 UG/L 1 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2996 STYRENE < 0.500 UG/L 100 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2991 TOLUENE < 0.500 UG/L 150 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED VOC-202505 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 05-14-2019 72 2025/05
CA5200574_002_002 REGULATED SOC-202402 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 02-09-2021 36 2024/02 DUE NOW
CA5200574_002_002 REGULATED SOC-202205 2105 2,4-D < 10.000 UG/L 70 10 05-14-2019 36 2022/05 DUE NOW
CA5200574_002_002 REGULATED SOC-202205 2050 ATRAZINE < 0.500 UG/L 1 .5 05-14-2019 36 2022/05 DUE NOW
CA5200574_002_002 REGULATED SOC-202511 2625 BENTAZON < 0.200 UG/L 18 2 11-08-2022 36 2025/11
CA5200574_002_002 REGULATED SOC-202205 2032 DIQUAT < 4.000 UG/L 20 4 05-14-2019 36 2022/05 DUE NOW
CA5200574_002_002 REGULATED SOC-202511 2033 ENDOTHALL < 5.000 UG/L 100 45 11-08-2022 36 2025/11
CA5200574_002_002 REGULATED SOC-202511 2034 GLYPHOSATE < 5.000 UG/L 700 25 11-08-2022 36 2025/11
CA5200574_002_002 REGULATED SOC-202605 2037 SIMAZINE < 1.000 UG/L 4 1 05-09-2023 36 2026/05
CA5200574_002_002 REGULATED SOC-202305 2727 THIOBENCARB (BOLERO) < 1.000 UG/L 70 1 05-12-2020 36 2023/05 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.