Date:05-13-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:3610034SYSTEM NAME:ONTARIO MUNICIPAL UTILITIES COMPANYCOUNTY:SAN BERNARDINO 
SOURCE NO.:020SOURCE NAME:WELL 24SOURCE CLASS:GMVUSTATUS: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
CA3610034_020_020 SECONDARY/GP-202608 1928 ALKALINITY, BICARBONATE 160.000 5.000 MG/L 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1919 CALCIUM 38.000 1.000 MG/L 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1929 ALKALINITY, CARBONATE < 5.000 MG/L 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1017 CHLORIDE 5.900 1.000 MG/L 500 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1905 COLOR < 3.000 UNITS 15 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1022 COPPER, FREE < 10.000 UG/L 1000 50 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 2905 FOAMING AGENTS (SURFACTANTS) < 0.080 MG/L .5 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1915 HARDNESS, TOTAL (AS CACO3) 120.000 1.000 MG/L 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1028 IRON < 50.000 UG/L 300 100 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1031 MAGNESIUM 6.400 1.000 MG/L 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1032 MANGANESE < 10.000 UG/L 50 20 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1920 ODOR < 1.000 TON 3 1 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1925 PH 7.800 1.000 pH 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1050 SILVER < 10.000 UG/L 100 10 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1052 SODIUM 16.000 1.000 MG/L 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1064 CONDUCTIVITY @ 25 C UMHOS/CM 320.000 1.000 UMHO/CM 1600 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1055 SULFATE 7.200 0.500 MG/L 500 .5 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1930 TDS 190.000 10.000 MG/L 1000 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 0100 TURBIDITY < 0.100 NTU 5 .1 08-16-2023 36 2026/08
CA3610034_020_020 SECONDARY/GP-202608 1095 ZINC < 10.000 UG/L 5000 50 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1002 ALUMINUM < 50.000 UG/L 1000 50 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1005 ARSENIC < 2.000 UG/L 10 2 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1010 BARIUM < 100.000 UG/L 1000 100 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1015 CADMIUM < 1.000 UG/L 5 1 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1020 CHROMIUM < 10.000 UG/L 50 10 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1024 CYANIDE < 100.000 UG/L 150 100 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1025 FLUORIDE 0.140 0.100 MG/L 2 .1 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1035 MERCURY < 0.200 UG/L 2 1 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1036 NICKEL < 10.000 UG/L 100 10 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1039 PERCHLORATE < 2.000 UG/L 6 2 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1045 SELENIUM < 5.000 UG/L 50 5 08-16-2023 36 2026/08
CA3610034_020_020 INORGANIC-202608 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 08-16-2023 36 2026/08
CA3610034_020_020 NITRATE/NITRITE-202408 1040 NITRATE 1.200 0.200 MG/L 10 .4 08-16-2023 12 2024/08
CA3610034_020_020 NITRATE/NITRITE-202608 1041 NITRITE < 0.100 MG/L 1 .4 08-16-2023 36 2026/08
CA3610034_020_020 RADIOLOGICAL-202907 4109 GROSS ALPHA PARTICLE ACTIVITY 2.110 +/- 1.640 1.500 PCI/L 15 3 07-15-2020 108 2029/07
CA3610034_020_020 REGULATED VOC-202608 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2990 BENZENE < 0.500 UG/L 1 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2996 STYRENE < 0.500 UG/L 100 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2991 TOLUENE < 0.500 UG/L 150 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED VOC-202608 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED SOC-202608 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED SOC-203208 2063 2,3,7,8-TCDD < 0.002 NG/L 0.03 0.005 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2110 2,4,5-TP < 1.000 UG/L 50 1 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2105 2,4-D < 10.000 UG/L 70 10 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2051 LASSO (ALACHLOR) < 0.050 UG/L 2 1 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2050 ATRAZINE < 0.050 UG/L 1 .5 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2625 BENTAZON < 2.000 UG/L 18 2 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2306 BENZO(A)PYRENE < 0.010 UG/L .2 .1 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2046 CARBOFURAN < 5.000 UG/L 18 5 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2959 CHLORDANE < 0.100 UG/L .1 .1 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2031 DALAPON < 10.000 UG/L 200 10 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2035 DI(2-ETHYLHEXYL) ADIPATE < 1.000 UG/L 400 5 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2039 DI(2-ETHYLHEXYL) PHTHALATE < 0.250 UG/L 4 3 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-202608 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED SOC-203208 2041 DINOSEB < 2.000 UG/L 7 2 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2032 DIQUAT < 0.400 UG/L 20 4 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2033 ENDOTHALL < 45.000 UG/L 100 45 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2005 ENDRIN < 0.050 UG/L 2 .1 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-202608 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 08-16-2023 36 2026/08
CA3610034_020_020 REGULATED SOC-203208 2034 GLYPHOSATE < 25.000 UG/L 700 25 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2065 HEPTACHLOR < 0.010 UG/L .01 .01 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2274 HEXACHLOROBENZENE < 0.010 UG/L 1 .5 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2042 HEXACHLOROCYCLOPENTADIENE < 0.250 UG/L 50 1 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2010 BHC-GAMMA < 0.010 UG/L .2 .2 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2015 METHOXYCHLOR < 0.050 UG/L 30 10 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2626 MOLINATE < 0.050 UG/L 20 2 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2036 OXAMYL < 20.000 UG/L 50 20 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2326 PENTACHLOROPHENOL < 0.050 UG/L 1 .2 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2040 PICLORAM < 1.000 UG/L 500 1 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2383 TOTAL POLYCHLORINATED BIPHENYLS (PCB) < 0.010 UG/L .5 .5 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2037 SIMAZINE < 0.050 UG/L 4 1 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2727 THIOBENCARB (BOLERO) < 0.050 UG/L 70 1 08-16-2023 108 2032/08
CA3610034_020_020 REGULATED SOC-203208 2020 TOXAPHENE < 1.000 UG/L 3 1 08-16-2023 108 2032/08
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.