Date:05-16-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4910014SYSTEM NAME:ROHNERT PARK, CITY OFCOUNTY:SONOMA 
SOURCE NO.:044SOURCE NAME:WELL 42SOURCE 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_044_044 SECONDARY/GP-202703 1928 ALKALINITY, BICARBONATE 200.000 30.000 MG/L 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1919 CALCIUM 34.000 1.000 MG/L 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1929 ALKALINITY, CARBONATE < 30.000 MG/L 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1017 CHLORIDE 42.000 2.500 MG/L 500 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1905 COLOR < 5.000 UNITS 15 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1022 COPPER, FREE < 50.000 UG/L 1000 50 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1915 HARDNESS, TOTAL (AS CACO3) 159.000 5.000 MG/L 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1021 HYDROXIDE AS CALCIUM CARBONATE < 30.000 MG/L 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1028 IRON < 100.000 UG/L 300 100 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1031 MAGNESIUM 18.000 1.000 MG/L 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1032 MANGANESE 68.000 20.000 UG/L 50 20 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1920 ODOR < 1.000 TON 3 1 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202403 1925 PH 7.570 pH 03-02-2021 36 2024/03 DUE NOW
CA4910014_044_044 SECONDARY/GP-202703 1050 SILVER < 10.000 UG/L 100 10 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1052 SODIUM 62.000 1.000 MG/L 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1064 CONDUCTIVITY @ 25 C UMHOS/CM 600.000 10.000 UMHO/CM 1600 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1055 SULFATE 34.000 2.500 MG/L 500 .5 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1930 TDS 350.000 10.000 MG/L 1000 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 0100 TURBIDITY < 1.000 NTU 5 .1 03-12-2024 36 2027/03
CA4910014_044_044 SECONDARY/GP-202703 1095 ZINC 64.000 50.000 UG/L 5000 50 03-12-2024 36 2027/03
CA4910014_044_044 INORGANIC-202907 1002 ALUMINUM < 50.000 UG/L 1000 50 07-21-2020 108 2029/07
CA4910014_044_044 INORGANIC-202907 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 07-21-2020 108 2029/07
CA4910014_044_044 INORGANIC-202607 1005 ARSENIC 2.600 2.000 UG/L 10 2 07-11-2023 36 2026/07
CA4910014_044_044 INORGANIC-202907 1010 BARIUM < 100.000 UG/L 1000 100 07-21-2020 108 2029/07
CA4910014_044_044 INORGANIC-202907 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-21-2020 108 2029/07
CA4910014_044_044 INORGANIC-202907 1015 CADMIUM < 1.000 UG/L 5 1 07-21-2020 108 2029/07
CA4910014_044_044 INORGANIC-202907 1020 CHROMIUM < 10.000 UG/L 50 10 07-21-2020 108 2029/07
CA4910014_044_044 INORGANIC-202907 1025 FLUORIDE 0.140 0.100 MG/L 2 .1 07-21-2020 108 2029/07
CA4910014_044_044 INORGANIC-202907 1035 MERCURY < 1.000 UG/L 2 1 07-21-2020 108 2029/07
CA4910014_044_044 INORGANIC-202907 1036 NICKEL < 10.000 UG/L 100 10 07-21-2020 108 2029/07
CA4910014_044_044 INORGANIC-202607 1039 PERCHLORATE < 2.000 UG/L 6 2 07-11-2023 36 2026/07
CA4910014_044_044 INORGANIC-202907 1045 SELENIUM < 5.000 UG/L 50 5 07-21-2020 108 2029/07
CA4910014_044_044 INORGANIC-202907 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-21-2020 108 2029/07
CA4910014_044_044 NITRATE/NITRITE-202407 1040 NITRATE < 0.400 MG/L 10 .4 07-11-2023 12 2024/07
CA4910014_044_044 NITRATE/NITRITE-202607 1041 NITRITE < 0.200 MG/L 1 .4 07-11-2023 36 2026/07
CA4910014_044_044 RADIOLOGICAL-202807 4109 GROSS ALPHA PARTICLE ACTIVITY 2.040 +/- 1.960 2.100 PCI/L 15 3 07-23-2019 108 2028/07
CA4910014_044_044 REGULATED VOC-202607 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2990 BENZENE < 0.500 UG/L 1 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 07-11-2023 36 2026/07
CA4910014_044_044 REGULATED VOC-202607 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2996 STYRENE < 0.500 UG/L 100 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2991 TOLUENE < 0.500 UG/L 150 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED VOC-202607 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-21-2020 72 2026/07
CA4910014_044_044 REGULATED SOC-202410 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 10-13-2021 36 2024/10
CA4910014_044_044 REGULATED SOC-203207 2110 2,4,5-TP < 1.000 UG/L 50 1 07-11-2023 108 2032/07
CA4910014_044_044 REGULATED SOC-202607 2050 ATRAZINE < 0.500 UG/L 1 .5 07-11-2023 36 2026/07
CA4910014_044_044 REGULATED SOC-202607 2031 DALAPON < 10.000 UG/L 200 10 07-11-2023 36 2026/07
CA4910014_044_044 REGULATED SOC-202607 2032 DIQUAT < 4.000 UG/L 20 4 07-11-2023 36 2026/07
CA4910014_044_044 REGULATED SOC-202607 2033 ENDOTHALL < 45.000 UG/L 100 45 07-11-2023 36 2026/07
CA4910014_044_044 REGULATED SOC-202609 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 09-19-2017 108 2026/09
CA4910014_044_044 REGULATED SOC-202608 2065 HEPTACHLOR < UG/L .01 .01 08-01-2017 108 2026/08
CA4910014_044_044 REGULATED SOC-202608 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 08-01-2017 108 2026/08
CA4910014_044_044 REGULATED SOC-202608 2010 BHC-GAMMA < 0.200 UG/L .2 .2 08-01-2017 108 2026/08
CA4910014_044_044 REGULATED SOC-202608 2015 METHOXYCHLOR < 10.000 UG/L 30 10 08-01-2017 108 2026/08
CA4910014_044_044 REGULATED SOC-202607 2036 OXAMYL < 20.000 UG/L 50 20 07-11-2023 36 2026/07
CA4910014_044_044 REGULATED SOC-202607 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 07-11-2023 36 2026/07
CA4910014_044_044 REGULATED SOC-202607 2040 PICLORAM < 1.000 UG/L 500 1 07-11-2023 36 2026/07
CA4910014_044_044 REGULATED SOC-202607 2037 SIMAZINE < 1.000 UG/L 4 1 07-11-2023 36 2026/07
CA4910014_044_044 GENERAL NON CHAP 15-202703 1927 ALKALINITY, TOTAL 200.000 30.000 MG/L 03-12-2024 36 2027/03
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.