Date:05-08-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910067SYSTEM NAME:LOS ANGELES-CITY, DEPT. OF WATER & POWERCOUNTY:LOS ANGELES 
SOURCE NO.:033SOURCE NAME:ERWIN WELL 10-STANDBY 11/2021SOURCE CLASS:SB01STATUS: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
CA1910067_033_033 SECONDARY/GP-203007 1928 ALKALINITY, BICARBONATE 272.000 25.000 MG/L 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1919 CALCIUM 84.300 1.000 MG/L 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1929 ALKALINITY, CARBONATE < 2.000 MG/L 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1017 CHLORIDE 46.000 0.400 MG/L 500 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1905 COLOR 4.000 3.000 UNITS 15 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1022 COPPER, FREE < 2.000 UG/L 1000 50 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1915 HARDNESS, TOTAL (AS CACO3) 303.000 5.000 MG/L 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.900 MG/L 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1028 IRON 180.000 20.000 UG/L 300 100 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1031 MAGNESIUM 22.500 0.200 MG/L 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1032 MANGANESE 2.600 2.000 UG/L 50 20 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1920 ODOR < 1.000 TON 3 1 07-20-2021 108 2030/07
CA1910067_033_033 GENERAL NON CHAP 15-203204 C253 PH, FIELD 7.980 pH 04-17-2023 108 2032/04
CA1910067_033_033 SECONDARY/GP-201312 1925 PH 7.770 pH 12-14-2004 108 2013/12 DUE NOW
CA1910067_033_033 SECONDARY/GP-203007 1050 SILVER < 1.000 UG/L 100 10 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1052 SODIUM 62.800 1.000 MG/L 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1064 CONDUCTIVITY @ 25 C UMHOS/CM 884.000 14.900 UMHO/CM 1600 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1055 SULFATE 155.000 1.000 MG/L 500 .5 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1930 TDS 573.000 25.000 MG/L 1000 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 0100 TURBIDITY 0.400 0.100 NTU 5 .1 07-20-2021 108 2030/07
CA1910067_033_033 SECONDARY/GP-203007 1095 ZINC < 10.000 UG/L 5000 50 07-20-2021 108 2030/07
CA1910067_033_033 INORGANIC-203007 1002 ALUMINUM < 10.000 UG/L 1000 50 07-20-2021 108 2030/07
CA1910067_033_033 INORGANIC-203007 1074 ANTIMONY, TOTAL < 2.000 UG/L 6 6 07-20-2021 108 2030/07
CA1910067_033_033 INORGANIC-203007 1005 ARSENIC < 1.000 UG/L 10 2 07-20-2021 108 2030/07
CA1910067_033_033 INORGANIC-203007 1010 BARIUM 54.000 10.000 UG/L 1000 100 07-20-2021 108 2030/07
CA1910067_033_033 INORGANIC-203007 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-20-2021 108 2030/07
CA1910067_033_033 INORGANIC-203007 1015 CADMIUM < 0.500 UG/L 5 1 07-20-2021 108 2030/07
CA1910067_033_033 INORGANIC-203007 1020 CHROMIUM 2.700 1.000 UG/L 50 10 07-20-2021 108 2030/07
CA1910067_033_033 INORGANIC-203007 1024 CYANIDE < 20.000 UG/L 150 100 07-20-2021 108 2030/07
CA1910067_033_033 INORGANIC-203007 1025 FLUORIDE 0.349 0.100 MG/L 2 .1 07-20-2021 108 2030/07
CA1910067_033_033 INORGANIC-203007 1035 MERCURY < 0.200 UG/L 2 1 07-20-2021 108 2030/07
CA1910067_033_033 INORGANIC-203007 1036 NICKEL < 1.000 UG/L 100 10 07-20-2021 108 2030/07
CA1910067_033_033 INORGANIC-202207 1039 PERCHLORATE 0.913 0.100 UG/L 6 2 07-20-2021 12 2022/07 DUE NOW
CA1910067_033_033 INORGANIC-203007 1045 SELENIUM 2.200 2.000 UG/L 50 5 07-20-2021 108 2030/07
CA1910067_033_033 INORGANIC-203007 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-20-2021 108 2030/07
CA1910067_033_033 NITRATE/NITRITE-203204 1040 NITRATE 1.470 0.100 MG/L 10 .4 04-17-2023 108 2032/04
CA1910067_033_033 NITRATE/NITRITE-203204 1041 NITRITE < 0.005 MG/L 1 .4 04-17-2023 108 2032/04
CA1910067_033_033 RADIOLOGICAL-202707 4109 GROSS ALPHA PARTICLE ACTIVITY < 0.200 PCI/L 15 3 07-03-2018 108 2027/07
CA1910067_033_033 RADIOLOGICAL-202707 4020 RADIUM-226 < 0.400 PCI/L 1 07-03-2018 108 2027/07
CA1910067_033_033 RADIOLOGICAL-202707 4030 RADIUM-228 < 0.800 PCI/L 1 07-03-2018 108 2027/07
CA1910067_033_033 RADIOLOGICAL-202707 4006 COMBINED URANIUM 2.600 +/- 0.000 0.340 PCI/L 20 1 07-20-2021 72 2027/07
CA1910067_033_033 REGULATED VOC-203204 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2980 1,2-DICHLOROETHANE < 0.250 UG/L .5 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2990 BENZENE < 0.500 UG/L 1 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2982 CARBON TETRACHLORIDE < 0.250 UG/L .5 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2251 METHYL TERT-BUTYL ETHER < 1.000 UG/L 13 3 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2996 STYRENE < 0.500 UG/L 100 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2991 TOLUENE < 0.500 UG/L 150 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2904 TRICHLOROTRIFLUOROETHANE < 1.000 UG/L 1200 10 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2976 VINYL CHLORIDE < 0.250 UG/L .5 .5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED VOC-203204 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 04-17-2023 108 2032/04
CA1910067_033_033 REGULATED SOC-203001 2414 1,2,3-TRICHLOROPROPANE < UG/L 0.005 01-27-2021 108 2030/01
CA1910067_033_033 REGULATED SOC-203001 2063 2,3,7,8-TCDD < 0.005 NG/L 0.03 0.005 01-27-2021 108 2030/01
CA1910067_033_033 REGULATED SOC-203007 2110 2,4,5-TP < 1.000 UG/L 50 1 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2105 2,4-D < 5.000 UG/L 70 10 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2050 ATRAZINE < 0.500 UG/L 1 .5 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2625 BENTAZON < 2.000 UG/L 18 2 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2306 BENZO(A)PYRENE < 0.100 UG/L .2 .1 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2046 CARBOFURAN < 2.000 UG/L 18 5 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2959 CHLORDANE < 0.100 UG/L .1 .1 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2031 DALAPON < 5.000 UG/L 200 10 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2035 DI(2-ETHYLHEXYL) ADIPATE < 2.000 UG/L 400 5 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2039 DI(2-ETHYLHEXYL) PHTHALATE < 2.000 UG/L 4 3 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2041 DINOSEB < 2.000 UG/L 7 2 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2032 DIQUAT < 2.000 UG/L 20 4 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203001 2033 ENDOTHALL < 45.000 UG/L 100 45 01-27-2021 108 2030/01
CA1910067_033_033 REGULATED SOC-203007 2005 ENDRIN < 0.100 UG/L 2 .1 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2034 GLYPHOSATE < 10.000 UG/L 700 25 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2065 HEPTACHLOR < 0.010 UG/L .01 .01 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2274 HEXACHLOROBENZENE < 0.500 UG/L 1 .5 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203101 2042 HEXACHLOROCYCLOPENTADIENE < 0.050 UG/L 50 1 01-11-2022 108 2031/01
CA1910067_033_033 REGULATED SOC-203007 2010 BHC-GAMMA < 0.200 UG/L .2 .2 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2015 METHOXYCHLOR < 10.000 UG/L 30 10 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2626 MOLINATE < 1.000 UG/L 20 2 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2036 OXAMYL < 2.000 UG/L 50 20 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2040 PICLORAM < 1.000 UG/L 500 1 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2383 TOTAL POLYCHLORINATED BIPHENYLS (PCB) < 0.500 UG/L .5 .5 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2037 SIMAZINE < 1.000 UG/L 4 1 07-20-2021 108 2030/07
CA1910067_033_033 REGULATED SOC-203007 2020 TOXAPHENE < 1.000 UG/L 3 1 07-20-2021 108 2030/07
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.