Date:05-09-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:5510005SYSTEM NAME:TWAIN HARTE COMMUNITY SERVICES DISTRICTCOUNTY:TUOLUMNE 
SOURCE NO.:001SOURCE NAME:SECTION IV DITCH - RAWSOURCE 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_001_001 SECONDARY/GP-202504 1928 ALKALINITY, BICARBONATE 22.600 1.000 MG/L 04-02-2024 12 2025/04
CA5510005_001_001 SECONDARY/GP-202407 1919 CALCIUM 1.980 1.500 MG/L 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202504 1929 ALKALINITY, CARBONATE < 1.000 MG/L 04-02-2024 12 2025/04
CA5510005_001_001 SECONDARY/GP-202407 1017 CHLORIDE < 1.000 MG/L 500 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 1905 COLOR < 1.000 UNITS 15 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 1022 COPPER, FREE < 50.000 UG/L 1000 50 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 1915 HARDNESS, TOTAL (AS CACO3) 10.300 1.000 MG/L 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202504 1021 HYDROXIDE AS CALCIUM CARBONATE < 1.000 MG/L 04-02-2024 12 2025/04
CA5510005_001_001 SECONDARY/GP-202407 1028 IRON < 100.000 UG/L 300 100 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 1031 MAGNESIUM < 1.500 MG/L 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 1032 MANGANESE < 20.000 UG/L 50 20 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 1920 ODOR 1.000 1.000 TON 3 1 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 1925 PH 8.330 0.010 pH 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 1050 SILVER < 10.000 UG/L 100 10 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 1052 SODIUM < 2.000 MG/L 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 1064 CONDUCTIVITY @ 25 C UMHOS/CM 17.200 1.000 UMHO/CM 1600 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 1055 SULFATE < 1.000 MG/L 500 .5 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 1930 TDS 3.500 1.000 MG/L 1000 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 0100 TURBIDITY 3.480 0.020 NTU 5 .1 07-06-2023 12 2024/07
CA5510005_001_001 SECONDARY/GP-202407 1095 ZINC < 50.000 UG/L 5000 50 07-06-2023 12 2024/07
CA5510005_001_001 INORGANIC-202407 1002 ALUMINUM 211.000 50.000 UG/L 1000 50 07-06-2023 12 2024/07
CA5510005_001_001 INORGANIC-202407 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 07-06-2023 12 2024/07
CA5510005_001_001 INORGANIC-202407 1005 ARSENIC < 2.000 UG/L 10 2 07-06-2023 12 2024/07
CA5510005_001_001 INORGANIC-203209 1094 ASBESTOS < 0.200 MFL 7 .2 09-29-2023 108 2032/09
CA5510005_001_001 INORGANIC-202407 1010 BARIUM < 100.000 UG/L 1000 100 07-06-2023 12 2024/07
CA5510005_001_001 INORGANIC-202407 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-06-2023 12 2024/07
CA5510005_001_001 INORGANIC-202407 1015 CADMIUM < 1.000 UG/L 5 1 07-06-2023 12 2024/07
CA5510005_001_001 INORGANIC-202407 1020 CHROMIUM < 10.000 UG/L 50 10 07-06-2023 12 2024/07
CA5510005_001_001 INORGANIC-202407 1025 FLUORIDE < 0.100 MG/L 2 .1 07-06-2023 12 2024/07
CA5510005_001_001 INORGANIC-202407 1035 MERCURY < 1.000 UG/L 2 1 07-06-2023 12 2024/07
CA5510005_001_001 INORGANIC-202407 1036 NICKEL < 10.000 UG/L 100 10 07-06-2023 12 2024/07
CA5510005_001_001 INORGANIC-202407 1039 PERCHLORATE < 0.500 UG/L 6 2 07-06-2023 12 2024/07
CA5510005_001_001 INORGANIC-202407 1045 SELENIUM < 5.000 UG/L 50 5 07-06-2023 12 2024/07
CA5510005_001_001 INORGANIC-202407 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-06-2023 12 2024/07
CA5510005_001_001 NITRATE/NITRITE-202407 1040 NITRATE < 0.400 MG/L 10 .4 07-06-2023 12 2024/07
CA5510005_001_001 NITRATE/NITRITE-202607 1041 NITRITE < 0.400 MG/L 1 .4 07-06-2023 36 2026/07
CA5510005_001_001 RADIOLOGICAL-202407 4109 GROSS ALPHA PARTICLE ACTIVITY 0.178 +/- 0.701 1.000 PCI/L 15 3 07-08-2015 108 2024/07
CA5510005_001_001 REGULATED VOC-202507 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2990 BENZENE < 0.500 UG/L 1 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2996 STYRENE < 0.500 UG/L 100 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2991 TOLUENE < 0.500 UG/L 150 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED VOC-202507 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-01-2019 72 2025/07
CA5510005_001_001 REGULATED SOC-202408 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 08-12-2021 36 2024/08
CA5510005_001_001 REGULATED SOC-202507 2050 ATRAZINE < 0.500 UG/L 1 .5 07-19-2022 36 2025/07
CA5510005_001_001 REGULATED SOC-202507 2037 SIMAZINE < 1.000 UG/L 4 1 07-19-2022 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.