Date:05-13-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:3610034SYSTEM NAME:ONTARIO MUNICIPAL UTILITIES COMPANYCOUNTY:SAN BERNARDINO 
SOURCE NO.:043SOURCE NAME:WELL 44SOURCE CLASS:GMVSSTATUS: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_043_043 SECONDARY/GP-202307 1928 ALKALINITY, BICARBONATE 140.000 MG/L 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1919 CALCIUM 54.000 MG/L 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1929 ALKALINITY, CARBONATE < 5.000 MG/L 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1017 CHLORIDE 20.000 MG/L 500 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1905 COLOR < 3.000 UNITS 15 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1022 COPPER, FREE < 50.000 UG/L 1000 50 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1915 HARDNESS, TOTAL (AS CACO3) 190.000 MG/L 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1028 IRON < 100.000 UG/L 300 100 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1031 MAGNESIUM 13.000 MG/L 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1032 MANGANESE < 20.000 UG/L 50 20 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1920 ODOR < 1.000 TON 3 1 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1925 PH 7.800 pH 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1050 SILVER < 10.000 UG/L 100 10 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1052 SODIUM 18.000 MG/L 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1064 CONDUCTIVITY @ 25 C UMHOS/CM 450.000 UMHO/CM 1600 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1055 SULFATE 27.000 0.500 MG/L 500 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1930 TDS 300.000 MG/L 1000 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 0100 TURBIDITY < 0.100 NTU 5 .1 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 SECONDARY/GP-202307 1095 ZINC < 50.000 UG/L 5000 50 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 INORGANIC-202307 1002 ALUMINUM < 50.000 UG/L 1000 50 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 INORGANIC-202307 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 INORGANIC-202307 1005 ARSENIC < 2.000 UG/L 10 2 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 INORGANIC-202307 1010 BARIUM < 100.000 UG/L 1000 100 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 INORGANIC-202307 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 INORGANIC-202307 1015 CADMIUM < 1.000 UG/L 5 1 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 INORGANIC-202307 1020 CHROMIUM < 10.000 UG/L 50 10 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 INORGANIC-202307 1024 CYANIDE < 100.000 UG/L 150 100 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 INORGANIC-202307 1025 FLUORIDE 0.290 0.100 MG/L 2 .1 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 INORGANIC-202307 1035 MERCURY < 1.000 UG/L 2 1 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 INORGANIC-202307 1036 NICKEL < 10.000 UG/L 100 10 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 INORGANIC-202701 1039 PERCHLORATE 4.300 0.100 UG/L 6 1 01-04-2024 36 2027/01
CA3610034_043_043 INORGANIC-202307 1045 SELENIUM < 5.000 UG/L 50 5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 INORGANIC-202307 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 NITRATE/NITRITE-202501 1040 NITRATE 12.000 0.200 MG/L 10 .4 01-04-2024 12 2025/01
CA3610034_043_043 NITRATE/NITRITE-202307 1041 NITRITE < 0.400 MG/L 1 .4 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 RADIOLOGICAL-202907 4109 GROSS ALPHA PARTICLE ACTIVITY 2.830 +/- 2.190 2.000 PCI/L 15 3 07-29-2020 108 2029/07
CA3610034_043_043 REGULATED VOC-202307 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2990 BENZENE < 0.500 UG/L 1 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2996 STYRENE < 0.500 UG/L 100 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2991 TOLUENE < 0.500 UG/L 150 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED VOC-202307 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202608 2063 2,3,7,8-TCDD < 0.002 NG/L 0.03 0.005 08-23-2023 36 2026/08
CA3610034_043_043 REGULATED SOC-202307 2110 2,4,5-TP < 1.000 UG/L 50 1 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2105 2,4-D < 10.000 UG/L 70 10 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202608 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 08-23-2023 36 2026/08
CA3610034_043_043 REGULATED SOC-202608 2050 ATRAZINE < 0.500 UG/L 1 .5 08-23-2023 36 2026/08
CA3610034_043_043 REGULATED SOC-202307 2625 BENTAZON < 2.000 UG/L 18 2 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202608 2306 BENZO(A)PYRENE < 0.100 UG/L .2 .1 08-23-2023 36 2026/08
CA3610034_043_043 REGULATED SOC-202307 2046 CARBOFURAN < 5.000 UG/L 18 5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2959 CHLORDANE < 0.100 UG/L .1 .1 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2031 DALAPON < 10.000 UG/L 200 10 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202608 2035 DI(2-ETHYLHEXYL) ADIPATE < 3.000 UG/L 400 5 08-23-2023 36 2026/08
CA3610034_043_043 REGULATED SOC-202608 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 08-23-2023 36 2026/08
CA3610034_043_043 REGULATED SOC-202701 2931 1,2-DIBROMO-3-CHLOROPROPANE 0.015 0.010 UG/L .2 .01 01-04-2024 36 2027/01
CA3610034_043_043 REGULATED SOC-202307 2041 DINOSEB < 2.000 UG/L 7 2 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202608 2032 DIQUAT < 0.400 UG/L 20 4 08-23-2023 36 2026/08
CA3610034_043_043 REGULATED SOC-202307 2033 ENDOTHALL < 45.000 UG/L 100 45 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2005 ENDRIN < 0.100 UG/L 2 .1 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202701 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 01-04-2024 36 2027/01
CA3610034_043_043 REGULATED SOC-202307 2034 GLYPHOSATE < 25.000 UG/L 700 25 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2065 HEPTACHLOR < UG/L .01 .01 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2274 HEXACHLOROBENZENE < 0.500 UG/L 1 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2042 HEXACHLOROCYCLOPENTADIENE < 1.000 UG/L 50 1 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2010 BHC-GAMMA < 0.200 UG/L .2 .2 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2015 METHOXYCHLOR < 10.000 UG/L 30 10 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202608 2626 MOLINATE < 2.000 UG/L 20 2 08-23-2023 36 2026/08
CA3610034_043_043 REGULATED SOC-202307 2036 OXAMYL < 20.000 UG/L 50 20 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2040 PICLORAM < 1.000 UG/L 500 1 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202307 2383 TOTAL POLYCHLORINATED BIPHENYLS (PCB) < 0.500 UG/L .5 .5 07-29-2020 36 2023/07 DUE NOW
CA3610034_043_043 REGULATED SOC-202608 2037 SIMAZINE < 1.000 UG/L 4 1 08-23-2023 36 2026/08
CA3610034_043_043 REGULATED SOC-202608 2727 THIOBENCARB (BOLERO) < 1.000 UG/L 70 1 08-23-2023 36 2026/08
CA3610034_043_043 REGULATED SOC-202307 2020 TOXAPHENE < 1.000 UG/L 3 1 07-29-2020 36 2023/07 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.