Date:05-13-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:3700866SYSTEM NAME:DEL DIOS MUTUAL WATER COMPANYCOUNTY:SAN DIEGO 
SOURCE NO.:001SOURCE NAME:WELL 01SOURCE CLASS:CSGMSTATUS: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
CA3700866_001_001 SECONDARY/GP-202503 1928 ALKALINITY, BICARBONATE 320.000 5.000 MG/L 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1919 CALCIUM 60.000 1.000 MG/L 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1929 ALKALINITY, CARBONATE < 5.000 MG/L 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1017 CHLORIDE 390.000 50.000 MG/L 500 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1905 COLOR < 5.000 UNITS 15 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1022 COPPER, FREE < 50.000 UG/L 1000 50 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1915 HARDNESS, TOTAL (AS CACO3) 319.000 5.000 MG/L 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1028 IRON < 100.000 UG/L 300 100 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1031 MAGNESIUM 41.000 1.000 MG/L 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1032 MANGANESE < 20.000 UG/L 50 20 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1920 ODOR < 1.000 TON 3 1 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1925 PH 7.510 1.680 pH 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1050 SILVER < 10.000 UG/L 100 10 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1052 SODIUM 84.000 1.000 MG/L 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202609 1064 CONDUCTIVITY @ 25 C UMHOS/CM 2700.000 10.000 UMHO/CM 1600 09-28-2023 36 2026/09
CA3700866_001_001 SECONDARY/GP-202609 1055 SULFATE 540.000 50.000 MG/L 500 .5 09-28-2023 36 2026/09
CA3700866_001_001 SECONDARY/GP-202403 1930 TDS 1900.000 10.000 MG/L 1000 12-26-2023 3 2024/03 DUE NOW
CA3700866_001_001 SECONDARY/GP-202503 0100 TURBIDITY < 1.000 NTU 5 .1 03-28-2022 36 2025/03
CA3700866_001_001 SECONDARY/GP-202503 1095 ZINC < 50.000 UG/L 5000 50 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202503 1002 ALUMINUM < 50.000 UG/L 1000 50 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202503 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202503 1005 ARSENIC 3.900 2.000 UG/L 10 2 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202606 1094 ASBESTOS < 0.200 MFL 7 .2 06-27-2023 36 2026/06
CA3700866_001_001 INORGANIC-202503 1010 BARIUM < 100.000 UG/L 1000 100 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202503 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202503 1015 CADMIUM < 1.000 UG/L 5 1 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202503 1020 CHROMIUM < 10.000 UG/L 50 10 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202503 1024 CYANIDE < 100.000 UG/L 150 100 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202503 1025 FLUORIDE 0.390 0.200 MG/L 2 .1 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202503 1035 MERCURY < 1.000 UG/L 2 1 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202503 1036 NICKEL < 10.000 UG/L 100 10 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202503 1039 PERCHLORATE < 2.000 UG/L 6 2 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202503 1045 SELENIUM < 5.000 UG/L 50 5 03-28-2022 36 2025/03
CA3700866_001_001 INORGANIC-202503 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 03-28-2022 36 2025/03
CA3700866_001_001 NITRATE/NITRITE-202401 1040 NITRATE 1.400 0.400 MG/L 10 .4 01-24-2023 12 2024/01 DUE NOW
CA3700866_001_001 NITRATE/NITRITE-202503 1041 NITRITE < 0.050 MG/L 1 .4 03-28-2022 36 2025/03
CA3700866_001_001 RADIOLOGICAL-202609 4109 GROSS ALPHA PARTICLE ACTIVITY 7.530 +/- 1.480 1.320 PCI/L 15 3 09-28-2023 36 2026/09
CA3700866_001_001 RADIOLOGICAL-202403 4006 COMBINED URANIUM 6.700 +/- 0.000 1.000 PCI/L 20 1 12-26-2023 3 2024/03 DUE NOW
CA3700866_001_001 REGULATED VOC-202503 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2990 BENZENE < 0.500 UG/L 1 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2996 STYRENE < 0.500 UG/L 100 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2991 TOLUENE < 0.500 UG/L 150 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED VOC-202503 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2063 2,3,7,8-TCDD < 0.005 NG/L 0.03 0.005 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2110 2,4,5-TP < 1.000 UG/L 50 1 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2105 2,4-D < 10.000 UG/L 70 10 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2051 LASSO (ALACHLOR) < 0.100 UG/L 2 1 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2050 ATRAZINE < 0.100 UG/L 1 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2625 BENTAZON < 2.000 UG/L 18 2 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2306 BENZO(A)PYRENE < 0.100 UG/L .2 .1 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2046 CARBOFURAN < 5.000 UG/L 18 5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2959 CHLORDANE < 0.100 UG/L .1 .1 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2031 DALAPON < 10.000 UG/L 200 10 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2035 DI(2-ETHYLHEXYL) ADIPATE < 5.000 UG/L 400 5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2041 DINOSEB < 2.000 UG/L 7 2 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2032 DIQUAT < 4.000 UG/L 20 4 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2033 ENDOTHALL < 45.000 UG/L 100 45 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2005 ENDRIN < 0.100 UG/L 2 .1 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2034 GLYPHOSATE < 25.000 UG/L 700 25 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2065 HEPTACHLOR < 0.010 UG/L .01 .01 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2274 HEXACHLOROBENZENE < 0.500 UG/L 1 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2042 HEXACHLOROCYCLOPENTADIENE < 1.000 UG/L 50 1 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2010 BHC-GAMMA < 0.200 UG/L .2 .2 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2015 METHOXYCHLOR < 10.000 UG/L 30 10 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2626 MOLINATE < 0.100 UG/L 20 2 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2036 OXAMYL < 20.000 UG/L 50 20 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2040 PICLORAM < 1.000 UG/L 500 1 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2383 TOTAL POLYCHLORINATED BIPHENYLS (PCB) < 0.500 UG/L .5 .5 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2037 SIMAZINE < 0.100 UG/L 4 1 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2727 THIOBENCARB (BOLERO) < 0.100 UG/L 70 1 03-28-2022 36 2025/03
CA3700866_001_001 REGULATED SOC-202503 2020 TOXAPHENE < 1.000 UG/L 3 1 03-28-2022 36 2025/03
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.