Date:05-16-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4910014SYSTEM NAME:ROHNERT PARK, CITY OFCOUNTY:SONOMA 
SOURCE NO.:022SOURCE NAME:WELL 22SOURCE CLASS:CLGRSTATUS: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
CA4910014_022_022 SECONDARY/GP-202410 1928 ALKALINITY, BICARBONATE 150.000 5.000 MG/L 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1919 CALCIUM 29.000 1.000 MG/L 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1929 ALKALINITY, CARBONATE < 5.000 MG/L 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1017 CHLORIDE 12.000 0.500 MG/L 500 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1905 COLOR < 5.000 UNITS 15 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1022 COPPER, FREE < 50.000 UG/L 1000 50 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1915 HARDNESS, TOTAL (AS CACO3) 140.000 5.000 MG/L 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1028 IRON 110.000 100.000 UG/L 300 100 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1031 MAGNESIUM 16.000 1.000 MG/L 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1032 MANGANESE < 20.000 UG/L 50 20 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1920 ODOR < 1.000 TON 3 1 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1925 PH 7.120 1.000 pH 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1050 SILVER < 10.000 UG/L 100 10 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1052 SODIUM 19.000 1.000 MG/L 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1064 CONDUCTIVITY @ 25 C UMHOS/CM 350.000 10.000 UMHO/CM 1600 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1055 SULFATE 7.800 0.500 MG/L 500 .5 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1930 TDS 240.000 10.000 MG/L 1000 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 0100 TURBIDITY 1.400 1.000 NTU 5 .1 10-05-2021 36 2024/10
CA4910014_022_022 SECONDARY/GP-202410 1095 ZINC 160.000 50.000 UG/L 5000 50 10-05-2021 36 2024/10
CA4910014_022_022 INORGANIC-203109 1002 ALUMINUM < 50.000 UG/L 1000 50 09-06-2022 108 2031/09
CA4910014_022_022 INORGANIC-203109 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 09-06-2022 108 2031/09
CA4910014_022_022 INORGANIC-202509 1005 ARSENIC 5.600 2.000 UG/L 10 2 09-06-2022 36 2025/09
CA4910014_022_022 INORGANIC-203109 1010 BARIUM < 100.000 UG/L 1000 100 09-06-2022 108 2031/09
CA4910014_022_022 INORGANIC-203109 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 09-06-2022 108 2031/09
CA4910014_022_022 INORGANIC-203109 1015 CADMIUM < 1.000 UG/L 5 1 09-06-2022 108 2031/09
CA4910014_022_022 INORGANIC-203109 1020 CHROMIUM < 10.000 UG/L 50 10 09-06-2022 108 2031/09
CA4910014_022_022 INORGANIC-203109 1025 FLUORIDE 0.140 0.100 MG/L 2 .1 09-06-2022 108 2031/09
CA4910014_022_022 INORGANIC-203109 1035 MERCURY < 1.000 UG/L 2 1 09-06-2022 108 2031/09
CA4910014_022_022 INORGANIC-203109 1036 NICKEL < 10.000 UG/L 100 10 09-06-2022 108 2031/09
CA4910014_022_022 INORGANIC-202410 1039 PERCHLORATE < 2.000 UG/L 6 2 10-05-2021 36 2024/10
CA4910014_022_022 INORGANIC-203109 1045 SELENIUM < 5.000 UG/L 50 5 09-06-2022 108 2031/09
CA4910014_022_022 INORGANIC-203109 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 09-06-2022 108 2031/09
CA4910014_022_022 NITRATE/NITRITE-202410 1040 NITRATE 0.660 0.400 MG/L 10 .4 10-03-2023 12 2024/10
CA4910014_022_022 NITRATE/NITRITE-202410 1041 NITRITE < 0.200 MG/L 1 .4 10-05-2021 36 2024/10
CA4910014_022_022 RADIOLOGICAL-203010 4109 GROSS ALPHA PARTICLE ACTIVITY < 1.390 PCI/L 15 3 10-05-2021 108 2030/10
CA4910014_022_022 REGULATED VOC-202710 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2990 BENZENE < 0.500 UG/L 1 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202410 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 10-05-2021 36 2024/10
CA4910014_022_022 REGULATED VOC-202710 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2996 STYRENE < 0.500 UG/L 100 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2991 TOLUENE < 0.500 UG/L 150 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED VOC-202710 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 10-05-2021 72 2027/10
CA4910014_022_022 REGULATED SOC-202504 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 04-05-2022 36 2025/04
CA4910014_022_022 REGULATED SOC-203010 2110 2,4,5-TP < 1.000 UG/L 50 1 10-05-2021 108 2030/10
CA4910014_022_022 REGULATED SOC-202410 2050 ATRAZINE < 0.500 UG/L 1 .5 10-05-2021 36 2024/10
CA4910014_022_022 REGULATED SOC-202410 2031 DALAPON < 10.000 UG/L 200 10 10-05-2021 36 2024/10
CA4910014_022_022 REGULATED SOC-202410 2032 DIQUAT < 4.000 UG/L 20 4 10-05-2021 36 2024/10
CA4910014_022_022 REGULATED SOC-202410 2033 ENDOTHALL < 45.000 UG/L 100 45 10-05-2021 36 2024/10
CA4910014_022_022 REGULATED SOC-202509 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 09-06-2016 108 2025/09
CA4910014_022_022 REGULATED SOC-202509 2065 HEPTACHLOR < UG/L .01 .01 09-06-2016 108 2025/09
CA4910014_022_022 REGULATED SOC-202509 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 09-06-2016 108 2025/09
CA4910014_022_022 REGULATED SOC-202509 2010 BHC-GAMMA < 0.200 UG/L .2 .2 09-06-2016 108 2025/09
CA4910014_022_022 REGULATED SOC-202509 2015 METHOXYCHLOR < 10.000 UG/L 30 10 09-06-2016 108 2025/09
CA4910014_022_022 REGULATED SOC-202410 2036 OXAMYL < 20.000 UG/L 50 20 10-05-2021 36 2024/10
CA4910014_022_022 REGULATED SOC-202410 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 10-05-2021 36 2024/10
CA4910014_022_022 REGULATED SOC-202410 2040 PICLORAM < 1.000 UG/L 500 1 10-05-2021 36 2024/10
CA4910014_022_022 REGULATED SOC-202410 2037 SIMAZINE < 1.000 UG/L 4 1 10-05-2021 36 2024/10
CA4910014_022_022 GENERAL NON CHAP 15-202410 1927 ALKALINITY, TOTAL 150.000 5.000 MG/L 10-05-2021 36 2024/10
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.