Date:05-12-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910003SYSTEM NAME:CITY OF ARCADIACOUNTY:LOS ANGELES 
SOURCE NO.:008SOURCE NAME:LONGDEN WELL 01SOURCE CLASS:LGLJSTATUS: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
CA1910003_008_008 SECONDARY/GP-202610 1928 ALKALINITY, BICARBONATE 150.000 2.000 MG/L 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1919 CALCIUM 54.000 1.000 MG/L 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1929 ALKALINITY, CARBONATE < 2.000 MG/L 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1017 CHLORIDE 25.000 0.500 MG/L 500 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1905 COLOR < 2.000 UNITS 15 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1022 COPPER, FREE < 50.000 UG/L 1000 50 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1915 HARDNESS, TOTAL (AS CACO3) 190.000 3.000 MG/L 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1021 HYDROXIDE AS CALCIUM CARBONATE < 2.000 MG/L 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1028 IRON 18.000 10.000 UG/L 300 100 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1031 MAGNESIUM 13.000 0.100 MG/L 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1032 MANGANESE < 2.000 UG/L 50 20 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1920 ODOR < 1.000 TON 3 1 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1925 PH 8.000 0.010 pH 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1050 SILVER < 0.500 UG/L 100 10 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1052 SODIUM 17.000 1.000 MG/L 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1064 CONDUCTIVITY @ 25 C UMHOS/CM 440.000 2.000 UMHO/CM 1600 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1055 SULFATE 31.000 0.250 MG/L 500 .5 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1930 TDS 250.000 20.000 MG/L 1000 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 0100 TURBIDITY 0.350 0.100 NTU 5 .1 10-04-2023 36 2026/10
CA1910003_008_008 SECONDARY/GP-202610 1095 ZINC < 20.000 UG/L 5000 50 10-04-2023 36 2026/10
CA1910003_008_008 INORGANIC-202604 1002 ALUMINUM < 20.000 UG/L 1000 50 04-17-2023 36 2026/04
CA1910003_008_008 INORGANIC-202604 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 04-17-2023 36 2026/04
CA1910003_008_008 INORGANIC-202604 1005 ARSENIC 0.500 0.500 UG/L 10 2 04-17-2023 36 2026/04
CA1910003_008_008 INORGANIC-202604 1010 BARIUM 44.000 1.000 UG/L 1000 100 04-17-2023 36 2026/04
CA1910003_008_008 INORGANIC-202604 1075 BERYLLIUM, TOTAL < 0.100 UG/L 4 1 04-17-2023 36 2026/04
CA1910003_008_008 INORGANIC-202604 1015 CADMIUM < 0.500 UG/L 5 1 04-17-2023 36 2026/04
CA1910003_008_008 INORGANIC-202604 1020 CHROMIUM < 2.000 UG/L 50 10 04-17-2023 36 2026/04
CA1910003_008_008 INORGANIC-202604 1024 CYANIDE < 5.000 UG/L 150 100 04-17-2023 36 2026/04
CA1910003_008_008 INORGANIC-202604 1025 FLUORIDE 0.400 0.100 MG/L 2 .1 04-17-2023 36 2026/04
CA1910003_008_008 INORGANIC-202604 1035 MERCURY < 1.000 UG/L 2 1 04-17-2023 36 2026/04
CA1910003_008_008 INORGANIC-202604 1036 NICKEL < 2.000 UG/L 100 10 04-17-2023 36 2026/04
CA1910003_008_008 INORGANIC-202404 1039 PERCHLORATE < 2.000 UG/L 6 2 04-17-2023 12 2024/04 DUE NOW
CA1910003_008_008 INORGANIC-202604 1045 SELENIUM < 0.500 UG/L 50 5 04-17-2023 36 2026/04
CA1910003_008_008 INORGANIC-202604 1085 THALLIUM, TOTAL < 0.200 UG/L 2 1 04-17-2023 36 2026/04
CA1910003_008_008 NITRATE/NITRITE-202405 1040 NITRATE 1.100 0.400 MG/L 10 .4 02-13-2024 3 2024/05 DUE NOW
CA1910003_008_008 NITRATE/NITRITE-202604 1041 NITRITE < 0.400 MG/L 1 .4 04-17-2023 36 2026/04
CA1910003_008_008 RADIOLOGICAL-203204 4109 GROSS ALPHA PARTICLE ACTIVITY < 1.637 PCI/L 15 3 04-17-2023 108 2032/04
CA1910003_008_008 RADIOLOGICAL-203204 4020 RADIUM-226 < 1.000 PCI/L 1 04-17-2023 108 2032/04
CA1910003_008_008 RADIOLOGICAL-203204 4030 RADIUM-228 < 1.000 PCI/L 1 04-17-2023 108 2032/04
CA1910003_008_008 RADIOLOGICAL-202904 4006 COMBINED URANIUM 2.000 +/- 0.000 1.000 PCI/L 20 1 04-01-2020 108 2029/04
CA1910003_008_008 REGULATED VOC-202407 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202308 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-13-2023 1 2023/08 DUE NOW
CA1910003_008_008 REGULATED VOC-202308 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-13-2023 1 2023/08 DUE NOW
CA1910003_008_008 REGULATED VOC-202407 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2990 BENZENE < 0.500 UG/L 1 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2251 METHYL TERT-BUTYL ETHER < 2.000 UG/L 13 3 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2996 STYRENE < 0.500 UG/L 100 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202405 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 04-17-2024 1 2024/05 DUE NOW
CA1910003_008_008 REGULATED VOC-202407 2991 TOLUENE < 0.500 UG/L 150 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202405 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 04-17-2024 1 2024/05 DUE NOW
CA1910003_008_008 REGULATED VOC-202407 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2904 TRICHLOROTRIFLUOROETHANE < 5.000 UG/L 1200 10 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED VOC-202407 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-13-2023 12 2024/07
CA1910003_008_008 REGULATED SOC-202407 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 10-18-2021 33 2024/07
CA1910003_008_008 REGULATED SOC-202407 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 10-18-2021 33 2024/07
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.