Date:05-15-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:0710006SYSTEM NAME:CITY OF MARTINEZCOUNTY:CONTRA COSTA 
SOURCE NO.:002SOURCE NAME:MARTINEZ RESERVOIR INTAKESOURCE CLASS:PURCSTATUS: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
CA0710006_002_002 SECONDARY/GP-200907 1994 AGGRESSIVE INDEX 12.000 AGGR 07-09-2008 12 2009/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1928 ALKALINITY, BICARBONATE 109.000 5.000 MG/L 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1919 CALCIUM 29.000 0.200 MG/L 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1929 ALKALINITY, CARBONATE 10.200 5.000 MG/L 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1017 CHLORIDE 73.000 10.000 MG/L 500 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1905 COLOR 10.000 2.000 UNITS 15 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1022 COPPER, FREE < 10.000 UG/L 1000 50 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 2905 FOAMING AGENTS (SURFACTANTS) 0.067 0.025 MG/L .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1915 HARDNESS, TOTAL (AS CACO3) 130.000 1.000 MG/L 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1028 IRON < 100.000 UG/L 300 100 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1031 MAGNESIUM 14.000 0.200 MG/L 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1032 MANGANESE < 20.000 UG/L 50 20 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1920 ODOR 4.000 1.000 TON 3 1 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 GENERAL NON CHAP 15-201610 C253 PH, FIELD 8.200 pH 10-05-2015 12 2016/10 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1925 PH 8.980 pH 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1050 SILVER < 10.000 UG/L 100 10 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1052 SODIUM 51.000 0.200 MG/L 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1064 CONDUCTIVITY @ 25 C UMHOS/CM 556.000 10.000 UMHO/CM 1600 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1055 SULFATE 31.000 1.000 MG/L 500 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1930 TDS 262.000 10.000 MG/L 1000 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 0100 TURBIDITY 1.200 0.100 NTU 5 .1 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 SECONDARY/GP-202307 1095 ZINC < 50.000 UG/L 5000 50 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 INORGANIC-202307 1002 ALUMINUM < 50.000 UG/L 1000 50 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 INORGANIC-202307 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 INORGANIC-202307 1005 ARSENIC < 2.000 UG/L 10 2 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 INORGANIC-202907 1094 ASBESTOS < 0.200 MFL 7 .2 07-06-2020 108 2029/07
CA0710006_002_002 INORGANIC-202307 1010 BARIUM 120.000 100.000 UG/L 1000 100 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 INORGANIC-202307 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 INORGANIC-202307 1015 CADMIUM < 1.000 UG/L 5 1 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 INORGANIC-202307 1020 CHROMIUM < 10.000 UG/L 50 10 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 INORGANIC-203107 1024 CYANIDE 1.700 1.000 UG/L 150 100 07-07-2022 108 2031/07
CA0710006_002_002 INORGANIC-202307 1025 FLUORIDE 0.190 0.100 MG/L 2 .1 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 INORGANIC-202207 1030 LEAD < 0.500 UG/L 5 07-19-2021 12 2022/07 DUE NOW
CA0710006_002_002 INORGANIC-202307 1035 MERCURY < 0.200 UG/L 2 1 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 INORGANIC-202307 1036 NICKEL < 10.000 UG/L 100 10 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 INORGANIC-202307 1039 PERCHLORATE < 0.500 UG/L 6 2 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 INORGANIC-202307 1045 SELENIUM < 5.000 UG/L 50 5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 INORGANIC-202307 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 NITRATE/NITRITE-202307 1040 NITRATE < 0.100 MG/L 10 .4 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 NITRATE/NITRITE-202507 1041 NITRITE < 0.100 MG/L 1 .4 07-07-2022 36 2025/07
CA0710006_002_002 RADIOLOGICAL-null 4109 GROSS ALPHA PARTICLE ACTIVITY PCI/L 15 3 108 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2990 BENZENE < 0.500 UG/L 1 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2251 METHYL TERT-BUTYL ETHER < 0.500 UG/L 13 3 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2996 STYRENE < 0.500 UG/L 100 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2991 TOLUENE < 0.500 UG/L 150 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED VOC-202307 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-07-2022 12 2023/07 DUE NOW
CA0710006_002_002 REGULATED SOC-null 2414 1,2,3-TRICHLOROPROPANE UG/L 0.005 36 DUE NOW
CA0710006_002_002 REGULATED SOC-202507 2063 2,3,7,8-TCDD < 0.005 NG/L 0.03 0.005 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2110 2,4,5-TP < 1.000 UG/L 50 1 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2105 2,4-D < 1.000 UG/L 70 10 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202407 2051 LASSO (ALACHLOR) < 0.260 UG/L 2 1 07-19-2021 36 2024/07
CA0710006_002_002 REGULATED SOC-202407 2050 ATRAZINE < 0.260 UG/L 1 .5 07-19-2021 36 2024/07
CA0710006_002_002 REGULATED SOC-202507 2625 BENTAZON < 1.000 UG/L 18 2 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2306 BENZO(A)PYRENE < 0.039 UG/L .2 .1 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2046 CARBOFURAN < 2.000 UG/L 18 5 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2959 CHLORDANE < 0.100 UG/L .1 .1 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2031 DALAPON < 1.000 UG/L 200 10 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2035 DI(2-ETHYLHEXYL) ADIPATE < 0.190 UG/L 400 5 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2039 DI(2-ETHYLHEXYL) PHTHALATE < 0.190 UG/L 4 3 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2041 DINOSEB < 1.000 UG/L 7 2 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2032 DIQUAT < 4.000 UG/L 20 4 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2033 ENDOTHALL < 5.000 UG/L 100 45 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2005 ENDRIN < 0.010 UG/L 2 .1 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2034 GLYPHOSATE < 5.000 UG/L 700 25 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2065 HEPTACHLOR < 0.010 UG/L .01 .01 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2274 HEXACHLOROBENZENE < 0.500 UG/L 1 .5 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2042 HEXACHLOROCYCLOPENTADIENE < 1.000 UG/L 50 1 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2010 BHC-GAMMA < 0.020 UG/L .2 .2 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2015 METHOXYCHLOR < 0.100 UG/L 30 10 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202407 2626 MOLINATE < 0.260 UG/L 20 2 07-19-2021 36 2024/07
CA0710006_002_002 REGULATED SOC-202507 2036 OXAMYL < 2.000 UG/L 50 20 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2040 PICLORAM < 1.000 UG/L 500 1 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202507 2383 TOTAL POLYCHLORINATED BIPHENYLS (PCB) < 0.500 UG/L .5 .5 07-07-2022 36 2025/07
CA0710006_002_002 REGULATED SOC-202407 2037 SIMAZINE < 0.260 UG/L 4 1 07-19-2021 36 2024/07
CA0710006_002_002 REGULATED SOC-202407 2727 THIOBENCARB (BOLERO) < 0.260 UG/L 70 1 07-19-2021 36 2024/07
CA0710006_002_002 REGULATED SOC-202507 2020 TOXAPHENE < 0.500 UG/L 3 1 07-07-2022 36 2025/07
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.