Date:05-21-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:3610038SYSTEM NAME:RIALTO, CITY OFCOUNTY:SAN BERNARDINO 
SOURCE NO.:051SOURCE NAME:EW-1SOURCE 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
CA3610038_051_051 SECONDARY/GP-202603 1928 ALKALINITY, BICARBONATE 180.000 5.000 MG/L 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1919 CALCIUM 57.000 1.000 MG/L 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1929 ALKALINITY, CARBONATE < 5.000 MG/L 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202705 1017 CHLORIDE 4.900 1.000 MG/L 500 05-06-2024 36 2027/05
CA3610038_051_051 SECONDARY/GP-202603 1905 COLOR < 3.000 UNITS 15 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1022 COPPER, FREE < 10.000 UG/L 1000 50 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 2905 FOAMING AGENTS (SURFACTANTS) < 0.080 MG/L .5 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1915 HARDNESS, TOTAL (AS CACO3) 170.000 1.000 MG/L 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1028 IRON < 50.000 UG/L 300 100 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1031 MAGNESIUM 7.300 1.000 MG/L 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1032 MANGANESE < 10.000 UG/L 50 20 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1920 ODOR < 1.000 TON 3 1 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1925 PH 7.900 1.000 pH 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1050 SILVER < 10.000 UG/L 100 10 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1052 SODIUM 11.000 1.000 MG/L 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1064 CONDUCTIVITY @ 25 C UMHOS/CM 390.000 1.000 UMHO/CM 1600 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202705 1055 SULFATE 16.000 0.500 MG/L 500 .5 05-06-2024 36 2027/05
CA3610038_051_051 SECONDARY/GP-202703 1930 TDS 230.000 10.000 MG/L 1000 03-20-2024 36 2027/03
CA3610038_051_051 SECONDARY/GP-202603 0100 TURBIDITY < 0.100 NTU 5 .1 03-31-2023 36 2026/03
CA3610038_051_051 SECONDARY/GP-202603 1095 ZINC < 10.000 UG/L 5000 50 03-31-2023 36 2026/03
CA3610038_051_051 INORGANIC-202603 1002 ALUMINUM < 50.000 UG/L 1000 50 03-31-2023 36 2026/03
CA3610038_051_051 INORGANIC-202603 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 03-31-2023 36 2026/03
CA3610038_051_051 INORGANIC-202603 1005 ARSENIC < 2.000 UG/L 10 2 03-31-2023 36 2026/03
CA3610038_051_051 INORGANIC-202603 1010 BARIUM < 100.000 UG/L 1000 100 03-31-2023 36 2026/03
CA3610038_051_051 INORGANIC-202603 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 03-31-2023 36 2026/03
CA3610038_051_051 INORGANIC-202603 1015 CADMIUM < 1.000 UG/L 5 1 03-31-2023 36 2026/03
CA3610038_051_051 INORGANIC-202603 1020 CHROMIUM < 10.000 UG/L 50 10 03-31-2023 36 2026/03
CA3610038_051_051 INORGANIC-202604 1024 CYANIDE < 100.000 UG/L 150 100 04-27-2023 36 2026/04
CA3610038_051_051 INORGANIC-202603 1025 FLUORIDE 0.270 0.100 MG/L 2 .1 03-31-2023 36 2026/03
CA3610038_051_051 INORGANIC-202603 1035 MERCURY < 0.200 UG/L 2 1 03-31-2023 36 2026/03
CA3610038_051_051 INORGANIC-202603 1036 NICKEL < 10.000 UG/L 100 10 03-31-2023 36 2026/03
CA3610038_051_051 INORGANIC-202705 1039 PERCHLORATE 120.000 1.000 UG/L 6 1 05-06-2024 36 2027/05
CA3610038_051_051 INORGANIC-202603 1045 SELENIUM < 5.000 UG/L 50 5 03-31-2023 36 2026/03
CA3610038_051_051 INORGANIC-202603 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 03-31-2023 36 2026/03
CA3610038_051_051 NITRATE/NITRITE-202505 1040 NITRATE 5.100 0.400 MG/L 10 .4 05-06-2024 12 2025/05
CA3610038_051_051 NITRATE/NITRITE-202603 1041 NITRITE < 0.100 MG/L 1 .4 03-31-2023 36 2026/03
CA3610038_051_051 RADIOLOGICAL-202606 4109 GROSS ALPHA PARTICLE ACTIVITY 3.330 +/- 1.880 1.610 PCI/L 15 3 06-15-2023 36 2026/06
CA3610038_051_051 REGULATED VOC-202705 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2990 BENZENE < 0.500 UG/L 1 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2996 STYRENE < 0.500 UG/L 100 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2991 TOLUENE < 0.500 UG/L 150 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2984 TRICHLOROETHYLENE 15.000 0.500 UG/L 5 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED VOC-202705 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 05-06-2024 36 2027/05
CA3610038_051_051 REGULATED SOC-202606 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 06-15-2023 36 2026/06
CA3610038_051_051 REGULATED SOC-202605 2063 2,3,7,8-TCDD < 0.001 NG/L 0.03 0.005 05-18-2023 36 2026/05
CA3610038_051_051 REGULATED SOC-202604 2110 2,4,5-TP < 1.000 UG/L 50 1 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2105 2,4-D < 10.000 UG/L 70 10 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2050 ATRAZINE < 0.500 UG/L 1 .5 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2625 BENTAZON < 2.000 UG/L 18 2 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2306 BENZO(A)PYRENE < 0.100 UG/L .2 .1 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2046 CARBOFURAN < 5.000 UG/L 18 5 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2959 CHLORDANE < 0.100 UG/L .1 .1 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2031 DALAPON < 10.000 UG/L 200 10 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2035 DI(2-ETHYLHEXYL) ADIPATE < 5.000 UG/L 400 5 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2041 DINOSEB < 2.000 UG/L 7 2 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202606 2032 DIQUAT < 0.400 UG/L 20 4 06-07-2023 36 2026/06
CA3610038_051_051 REGULATED SOC-202604 2033 ENDOTHALL < 45.000 UG/L 100 45 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2005 ENDRIN < 0.100 UG/L 2 .1 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2034 GLYPHOSATE < 25.000 UG/L 700 25 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2065 HEPTACHLOR < 0.010 UG/L .01 .01 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2274 HEXACHLOROBENZENE < 0.500 UG/L 1 .5 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2042 HEXACHLOROCYCLOPENTADIENE < 1.000 UG/L 50 1 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2010 BHC-GAMMA < 0.200 UG/L .2 .2 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2015 METHOXYCHLOR < 10.000 UG/L 30 10 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2626 MOLINATE < 2.000 UG/L 20 2 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2036 OXAMYL < 20.000 UG/L 50 20 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2040 PICLORAM < 1.000 UG/L 500 1 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2383 TOTAL POLYCHLORINATED BIPHENYLS (PCB) < 0.500 UG/L .5 .5 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2037 SIMAZINE < 1.000 UG/L 4 1 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2727 THIOBENCARB (BOLERO) < 1.000 UG/L 70 1 04-26-2023 36 2026/04
CA3610038_051_051 REGULATED SOC-202604 2020 TOXAPHENE < 1.000 UG/L 3 1 04-26-2023 36 2026/04
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.