Date:05-14-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:3700422SYSTEM NAME:LAGUNA MOUNTIAN MUTUAL WATER CO.COUNTY:SAN DIEGO 
SOURCE NO.:All SourcesSOURCE NAME:N/ASOURCE CLASS:N/ASTATUS:N/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
CA3700422_001_001 SECONDARY/GP-202608 1994 AGGRESSIVE INDEX 10.500 10.000 AGGR 08-21-2023 36 2026/08
CA3700422_001_001 SECONDARY/GP-202409 1928 ALKALINITY, BICARBONATE 90.000 2.000 MG/L 09-07-2021 36 2024/09
CA3700422_001_001 SECONDARY/GP-202704 1919 CALCIUM 34.500 0.500 MG/L 04-15-2024 36 2027/04
CA3700422_001_001 SECONDARY/GP-202409 1929 ALKALINITY, CARBONATE < 2.000 MG/L 09-07-2021 36 2024/09
CA3700422_001_001 SECONDARY/GP-202409 1017 CHLORIDE 53.000 1.000 MG/L 500 09-07-2021 36 2024/09
CA3700422_001_001 SECONDARY/GP-202502 1905 COLOR < 1.000 UNITS 15 02-01-2022 36 2025/02
CA3700422_001_001 SECONDARY/GP-202608 1022 COPPER, FREE 3.700 0.500 UG/L 1000 50 08-21-2023 36 2026/08
CA3700422_001_001 SECONDARY/GP-202409 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 09-07-2021 36 2024/09
CA3700422_001_001 SECONDARY/GP-202509 1915 HARDNESS, TOTAL (AS CACO3) 110.000 2.000 MG/L 09-12-2022 36 2025/09
CA3700422_001_001 SECONDARY/GP-202409 1021 HYDROXIDE AS CALCIUM CARBONATE < 2.000 MG/L 09-07-2021 36 2024/09
CA3700422_001_001 SECONDARY/GP-202608 1028 IRON 130.000 30.000 UG/L 300 100 08-21-2023 36 2026/08
CA3700422_001_001 SECONDARY/GP-202704 1031 MAGNESIUM 8.780 0.500 MG/L 04-15-2024 36 2027/04
CA3700422_001_001 SECONDARY/GP-202608 1032 MANGANESE 23.000 5.000 UG/L 50 20 08-21-2023 36 2026/08
CA3700422_001_001 SECONDARY/GP-202502 1920 ODOR < 1.000 TON 3 1 02-01-2022 36 2025/02
CA3700422_001_001 SECONDARY/GP-202509 1925 PH 6.400 1.000 pH 09-12-2022 36 2025/09
CA3700422_001_001 SECONDARY/GP-202608 1050 SILVER < 0.200 UG/L 100 10 08-21-2023 36 2026/08
CA3700422_001_001 SECONDARY/GP-202704 1052 SODIUM 31.000 10.000 MG/L 04-15-2024 36 2027/04
CA3700422_001_001 SECONDARY/GP-202409 1064 CONDUCTIVITY @ 25 C UMHOS/CM 390.000 0.100 UMHO/CM 1600 09-07-2021 36 2024/09
CA3700422_001_001 SECONDARY/GP-202409 1055 SULFATE 34.000 1.000 MG/L 500 .5 09-07-2021 36 2024/09
CA3700422_001_001 SECONDARY/GP-202608 1930 TDS 280.000 1.000 MG/L 1000 08-21-2023 36 2026/08
CA3700422_001_001 SECONDARY/GP-202608 0100 TURBIDITY 0.200 0.100 NTU 5 .1 08-21-2023 36 2026/08
CA3700422_001_001 SECONDARY/GP-202608 1095 ZINC < 10.000 UG/L 5000 50 08-21-2023 36 2026/08
CA3700422_001_001 INORGANIC-202608 1002 ALUMINUM < 20.000 UG/L 1000 50 08-21-2023 36 2026/08
CA3700422_001_001 INORGANIC-202608 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 08-21-2023 36 2026/08
CA3700422_001_001 INORGANIC-202608 1005 ARSENIC 0.500 0.400 UG/L 10 2 08-21-2023 36 2026/08
CA3700422_001_001 INORGANIC-202608 1010 BARIUM 120.000 1.000 UG/L 1000 100 08-21-2023 36 2026/08
CA3700422_001_001 INORGANIC-202608 1075 BERYLLIUM, TOTAL < 0.100 UG/L 4 1 08-21-2023 36 2026/08
CA3700422_001_001 INORGANIC-202608 1015 CADMIUM < 0.200 UG/L 5 1 08-21-2023 36 2026/08
CA3700422_001_001 INORGANIC-202608 1020 CHROMIUM 0.230 0.200 UG/L 50 10 08-21-2023 36 2026/08
CA3700422_001_001 INORGANIC-202604 1024 CYANIDE < 20.000 UG/L 150 100 04-17-2017 108 2026/04
CA3700422_001_001 INORGANIC-202409 1025 FLUORIDE < 0.100 MG/L 2 .1 09-07-2021 36 2024/09
CA3700422_001_001 INORGANIC-202704 1030 LEAD < 0.200 UG/L 5 04-15-2024 36 2027/04
CA3700422_001_001 INORGANIC-202608 1035 MERCURY < 0.050 UG/L 2 1 08-21-2023 36 2026/08
CA3700422_001_001 INORGANIC-202608 1036 NICKEL 12.000 2.000 UG/L 100 10 08-21-2023 36 2026/08
CA3700422_001_001 INORGANIC-202608 1039 PERCHLORATE < 2.000 UG/L 6 2 08-21-2023 36 2026/08
CA3700422_001_001 INORGANIC-202608 1045 SELENIUM 12.000 0.400 UG/L 50 5 08-21-2023 36 2026/08
CA3700422_001_001 INORGANIC-202608 1085 THALLIUM, TOTAL < 0.200 UG/L 2 1 08-21-2023 36 2026/08
CA3700422_001_001 NITRATE/NITRITE-202411 1040 NITRATE 1.000 0.400 MG/L 10 .4 11-14-2023 12 2024/11
CA3700422_001_001 NITRATE/NITRITE-202608 1041 NITRITE < 0.020 MG/L 1 .4 08-21-2023 36 2026/08
CA3700422_001_001 RADIOLOGICAL-202409 4109 GROSS ALPHA PARTICLE ACTIVITY < 1.560 PCI/L 15 3 09-07-2021 36 2024/09
CA3700422_001_001 REGULATED VOC-203004 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2990 BENZENE < 0.500 UG/L 1 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2251 METHYL TERT-BUTYL ETHER < 2.000 UG/L 13 3 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2996 STYRENE < 0.500 UG/L 100 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2991 TOLUENE < 0.500 UG/L 150 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2904 TRICHLOROTRIFLUOROETHANE < 5.000 UG/L 1200 10 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED VOC-203004 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 04-15-2024 72 2030/04
CA3700422_001_001 REGULATED SOC-202509 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 09-12-2022 36 2025/09
CA3700422_001_001 REGULATED SOC-202604 2110 2,4,5-TP < 1.000 UG/L 50 1 04-17-2017 108 2026/04
CA3700422_001_001 REGULATED SOC-202604 2105 2,4-D < 10.000 UG/L 70 10 04-17-2017 108 2026/04
CA3700422_001_001 REGULATED SOC-202604 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 04-17-2017 108 2026/04
CA3700422_001_001 REGULATED SOC-202604 2050 ATRAZINE < 0.500 UG/L 1 .5 04-17-2017 108 2026/04
CA3700422_001_001 REGULATED SOC-202604 2625 BENTAZON < 2.000 UG/L 18 2 04-17-2017 108 2026/04
CA3700422_001_001 REGULATED SOC-202604 2031 DALAPON < 10.000 UG/L 200 10 04-17-2017 108 2026/04
CA3700422_001_001 REGULATED SOC-202604 2931 1,2-DIBROMO-3-CHLOROPROPANE < UG/L .2 .01 04-17-2017 108 2026/04
CA3700422_001_001 REGULATED SOC-202604 2041 DINOSEB < 2.000 UG/L 7 2 04-17-2017 108 2026/04
CA3700422_001_001 REGULATED SOC-202604 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 04-17-2017 108 2026/04
CA3700422_001_001 REGULATED SOC-202604 2626 MOLINATE < 2.000 UG/L 20 2 04-17-2017 108 2026/04
CA3700422_001_001 REGULATED SOC-202604 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 04-17-2017 108 2026/04
CA3700422_001_001 REGULATED SOC-202604 2040 PICLORAM < 1.000 UG/L 500 1 04-17-2017 108 2026/04
CA3700422_001_001 REGULATED SOC-202604 2037 SIMAZINE < 1.000 UG/L 4 1 04-17-2017 108 2026/04
CA3700422_001_001 REGULATED SOC-202604 2727 THIOBENCARB (BOLERO) < 1.000 UG/L 70 1 04-17-2017 108 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.