Date:05-10-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:5510005SYSTEM NAME:TWAIN HARTE COMMUNITY SERVICES DISTRICTCOUNTY:TUOLUMNE 
SOURCE NO.:003SOURCE NAME:SHADYBROOK RESERVOIRSOURCE CLASS:CTSDSTATUS: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
CA5510005_003_003 SECONDARY/GP-202411 1928 ALKALINITY, BICARBONATE 30.400 1.000 MG/L 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1919 CALCIUM 6.090 1.500 MG/L 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1929 ALKALINITY, CARBONATE < 1.000 MG/L 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1017 CHLORIDE 4.560 1.000 MG/L 500 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1905 COLOR 4.000 1.000 UNITS 15 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1022 COPPER, FREE < 50.000 UG/L 1000 50 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1915 HARDNESS, TOTAL (AS CACO3) 25.900 1.000 MG/L 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1021 HYDROXIDE AS CALCIUM CARBONATE < 1.000 MG/L 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1028 IRON 243.000 100.000 UG/L 300 100 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1031 MAGNESIUM 2.590 1.500 MG/L 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1032 MANGANESE 23.400 20.000 UG/L 50 20 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1920 ODOR 6.000 1.000 TON 3 1 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1925 PH 7.850 0.010 pH 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1050 SILVER < 10.000 UG/L 100 10 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1052 SODIUM 4.670 2.000 MG/L 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1064 CONDUCTIVITY @ 25 C UMHOS/CM 67.000 1.000 UMHO/CM 1600 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1055 SULFATE < 1.000 MG/L 500 .5 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1930 TDS 26.000 1.000 MG/L 1000 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 0100 TURBIDITY 1.410 0.020 NTU 5 .1 11-06-2023 12 2024/11
CA5510005_003_003 SECONDARY/GP-202411 1095 ZINC < 50.000 UG/L 5000 50 11-06-2023 12 2024/11
CA5510005_003_003 INORGANIC-202411 1002 ALUMINUM < 50.000 UG/L 1000 50 11-06-2023 12 2024/11
CA5510005_003_003 INORGANIC-202411 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 11-06-2023 12 2024/11
CA5510005_003_003 INORGANIC-202411 1005 ARSENIC < 2.000 UG/L 10 2 11-06-2023 12 2024/11
CA5510005_003_003 INORGANIC-203209 1094 ASBESTOS < 0.200 MFL 7 .2 09-29-2023 108 2032/09
CA5510005_003_003 INORGANIC-202411 1010 BARIUM < 100.000 UG/L 1000 100 11-06-2023 12 2024/11
CA5510005_003_003 INORGANIC-202411 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 11-06-2023 12 2024/11
CA5510005_003_003 INORGANIC-202411 1015 CADMIUM < 1.000 UG/L 5 1 11-06-2023 12 2024/11
CA5510005_003_003 INORGANIC-202411 1020 CHROMIUM < 10.000 UG/L 50 10 11-06-2023 12 2024/11
CA5510005_003_003 INORGANIC-202411 1025 FLUORIDE < 0.100 MG/L 2 .1 11-06-2023 12 2024/11
CA5510005_003_003 INORGANIC-202407 1035 MERCURY < 1.000 UG/L 2 1 04-08-2024 3 2024/07
CA5510005_003_003 INORGANIC-202411 1036 NICKEL < 10.000 UG/L 100 10 11-06-2023 12 2024/11
CA5510005_003_003 INORGANIC-202411 1039 PERCHLORATE < 2.000 UG/L 6 2 11-06-2023 12 2024/11
CA5510005_003_003 INORGANIC-202411 1045 SELENIUM < 5.000 UG/L 50 5 11-06-2023 12 2024/11
CA5510005_003_003 INORGANIC-202411 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 11-06-2023 12 2024/11
CA5510005_003_003 NITRATE/NITRITE-202411 1040 NITRATE < 0.400 MG/L 10 .4 11-06-2023 12 2024/11
CA5510005_003_003 NITRATE/NITRITE-202611 1041 NITRITE < 0.400 MG/L 1 .4 11-06-2023 36 2026/11
CA5510005_003_003 RADIOLOGICAL-203302 4109 GROSS ALPHA PARTICLE ACTIVITY 1.690 +/- 0.999 1.160 PCI/L 15 3 02-05-2024 108 2033/02
CA5510005_003_003 REGULATED VOC-202911 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2990 BENZENE < 0.500 UG/L 1 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2251 METHYL TERT-BUTYL ETHER < 0.500 UG/L 13 3 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2996 STYRENE < 0.500 UG/L 100 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2991 TOLUENE < 0.500 UG/L 150 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2218 TRICHLOROFLUOROMETHANE < 0.500 UG/L 150 5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2904 TRICHLOROTRIFLUOROETHANE < 0.500 UG/L 1200 10 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED VOC-202911 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 11-06-2023 72 2029/11
CA5510005_003_003 REGULATED SOC-202701 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 01-19-2024 36 2027/01
CA5510005_003_003 REGULATED SOC-202701 2050 ATRAZINE < 0.500 UG/L 1 .5 01-19-2024 36 2027/01
CA5510005_003_003 REGULATED SOC-202701 2037 SIMAZINE < 1.000 UG/L 4 1 01-19-2024 36 2027/01
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.