Date:05-16-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4910009SYSTEM NAME:SANTA ROSA, CITY OFCOUNTY:SONOMA 
SOURCE NO.:005SOURCE NAME:PETER SPRING WELL - STANDBYSOURCE CLASS:CSBRSTATUS: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
CA4910009_005_005 SECONDARY/GP-203104 1928 ALKALINITY, BICARBONATE 270.000 10.000 MG/L 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203104 1919 CALCIUM 31.400 0.200 MG/L 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203104 1929 ALKALINITY, CARBONATE < 10.000 MG/L 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203104 1017 CHLORIDE 15.500 1.000 MG/L 500 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203108 1905 COLOR 10.000 5.000 UNITS 15 08-02-2022 108 2031/08
CA4910009_005_005 SECONDARY/GP-203104 1022 COPPER, FREE 18.300 0.500 UG/L 1000 50 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203209 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 09-12-2023 108 2032/09
CA4910009_005_005 SECONDARY/GP-203104 1915 HARDNESS, TOTAL (AS CACO3) 161.000 1.300 MG/L 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203104 1021 HYDROXIDE AS CALCIUM CARBONATE < 10.000 MG/L 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203104 1028 IRON 315.000 50.000 UG/L 300 100 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203104 1031 MAGNESIUM 20.100 0.200 MG/L 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203104 1032 MANGANESE 85.500 0.500 UG/L 50 20 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203108 1920 ODOR 25.000 1.000 TON 3 1 08-02-2022 108 2031/08
CA4910009_005_005 SECONDARY/GP-203108 1925 PH 7.560 1.000 pH 08-02-2022 108 2031/08
CA4910009_005_005 SECONDARY/GP-203104 1050 SILVER < 0.250 UG/L 100 10 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203104 1052 SODIUM 56.400 5.000 MG/L 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203108 1064 CONDUCTIVITY @ 25 C UMHOS/CM 540.000 5.000 UMHO/CM 1600 08-02-2022 108 2031/08
CA4910009_005_005 SECONDARY/GP-203104 1055 SULFATE 1.050 0.500 MG/L 500 .5 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203108 1930 TDS 410.000 10.000 MG/L 1000 08-02-2022 108 2031/08
CA4910009_005_005 SECONDARY/GP-203104 0100 TURBIDITY 1.900 1.000 NTU 5 .1 04-19-2022 108 2031/04
CA4910009_005_005 SECONDARY/GP-203104 1095 ZINC 10.800 5.000 UG/L 5000 50 04-19-2022 108 2031/04
CA4910009_005_005 INORGANIC-203104 1002 ALUMINUM < 20.000 UG/L 1000 50 04-19-2022 108 2031/04
CA4910009_005_005 INORGANIC-203104 1074 ANTIMONY, TOTAL < 0.500 UG/L 6 6 04-19-2022 108 2031/04
CA4910009_005_005 INORGANIC-203104 1005 ARSENIC 3.140 2.000 UG/L 10 2 04-19-2022 108 2031/04
CA4910009_005_005 INORGANIC-203108 1094 ASBESTOS < 0.200 MFL 7 .2 08-02-2022 108 2031/08
CA4910009_005_005 INORGANIC-203104 1010 BARIUM 9.700 0.500 UG/L 1000 100 04-19-2022 108 2031/04
CA4910009_005_005 INORGANIC-203104 1075 BERYLLIUM, TOTAL < 0.500 UG/L 4 1 04-19-2022 108 2031/04
CA4910009_005_005 INORGANIC-203104 1015 CADMIUM < 0.250 UG/L 5 1 04-19-2022 108 2031/04
CA4910009_005_005 INORGANIC-203104 1020 CHROMIUM 3.950 0.500 UG/L 50 10 04-19-2022 108 2031/04
CA4910009_005_005 INORGANIC-203108 1025 FLUORIDE 0.220 0.100 MG/L 2 .1 08-02-2022 108 2031/08
CA4910009_005_005 INORGANIC-203104 1035 MERCURY < 0.050 UG/L 2 1 04-19-2022 108 2031/04
CA4910009_005_005 INORGANIC-203104 1036 NICKEL < 0.500 UG/L 100 10 04-19-2022 108 2031/04
CA4910009_005_005 INORGANIC-203108 1039 PERCHLORATE < 2.000 UG/L 6 2 08-02-2022 108 2031/08
CA4910009_005_005 INORGANIC-203104 1045 SELENIUM < 2.000 UG/L 50 5 04-19-2022 108 2031/04
CA4910009_005_005 INORGANIC-203104 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 04-19-2022 108 2031/04
CA4910009_005_005 NITRATE/NITRITE-203108 1040 NITRATE < 0.200 MG/L 10 .4 08-02-2022 108 2031/08
CA4910009_005_005 NITRATE/NITRITE-203108 1041 NITRITE 0.020 0.010 MG/L 1 .4 08-02-2022 108 2031/08
CA4910009_005_005 RADIOLOGICAL-203108 4109 GROSS ALPHA PARTICLE ACTIVITY < 2.130 PCI/L 15 3 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2990 BENZENE < 0.500 UG/L 1 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2251 METHYL TERT-BUTYL ETHER < 0.500 UG/L 13 3 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2996 STYRENE < 0.500 UG/L 100 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2991 TOLUENE < 0.500 UG/L 150 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203104 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 04-19-2022 108 2031/04
CA4910009_005_005 REGULATED VOC-203108 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED VOC-203108 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2110 2,4,5-TP < 1.000 UG/L 50 1 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2050 ATRAZINE < 0.500 UG/L 1 .5 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2031 DALAPON < 10.000 UG/L 200 10 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2032 DIQUAT < 4.000 UG/L 20 4 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2033 ENDOTHALL < 45.000 UG/L 100 45 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2065 HEPTACHLOR < 0.010 UG/L .01 .01 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2010 BHC-GAMMA < 0.200 UG/L .2 .2 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2015 METHOXYCHLOR < 10.000 UG/L 30 10 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2036 OXAMYL < 20.000 UG/L 50 20 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2040 PICLORAM < 1.000 UG/L 500 1 08-02-2022 108 2031/08
CA4910009_005_005 REGULATED SOC-203108 2037 SIMAZINE < 1.000 UG/L 4 1 08-02-2022 108 2031/08
CA4910009_005_005 GENERAL NON CHAP 15-203104 1927 ALKALINITY, TOTAL 270.000 10.000 MG/L 04-19-2022 108 2031/04
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.