Date:05-12-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:5500080SYSTEM NAME:TWAIN HARTE VALLEY MWCCOUNTY:TUOLUMNE 
SOURCE NO.:All SourcesSOURCE NAME:N/ASOURCE CLASS:N/ASTATUS:N/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
CA5500080_DST_900 DISINFECTION BYPRODUCTS-202407 2943 BROMODICHLOROMETHANE 1.140 0.500 UG/L 1 04-10-2024 3 2024/07
CA5500080_DST_900 DISINFECTION BYPRODUCTS-202407 2942 BROMOFORM < 0.500 UG/L 1 04-10-2024 3 2024/07
CA5500080_DST_900 DISINFECTION BYPRODUCTS-202407 2941 CHLOROFORM 51.700 0.500 UG/L 1 04-10-2024 3 2024/07
CA5500080_DST_900 DISINFECTION BYPRODUCTS-202404 2454 DIBROMOACETIC ACID < 1.000 UG/L 1 01-16-2024 3 2024/04 DUE NOW
CA5500080_DST_900 DISINFECTION BYPRODUCTS-202407 2944 DIBROMOCHLOROMETHANE < 0.500 UG/L 1 04-10-2024 3 2024/07
CA5500080_DST_900 DISINFECTION BYPRODUCTS-202404 2451 DICHLOROACETIC ACID 19.000 1.000 UG/L 1 01-16-2024 3 2024/04 DUE NOW
CA5500080_DST_900 DISINFECTION BYPRODUCTS-202404 2456 TOTAL HALOACETIC ACIDS (HAA5) 52.000 6.000 UG/L 60 01-16-2024 3 2024/04 DUE NOW
CA5500080_DST_900 DISINFECTION BYPRODUCTS-202404 2453 MONOBROMOACETIC ACID < 1.000 UG/L 1 01-16-2024 3 2024/04 DUE NOW
CA5500080_DST_900 DISINFECTION BYPRODUCTS-202404 2450 MONOCHLOROACETIC ACID 7.000 2.000 UG/L 2 01-16-2024 3 2024/04 DUE NOW
CA5500080_DST_900 DISINFECTION BYPRODUCTS-202407 2950 TTHM < 0.500 UG/L 80 04-10-2024 3 2024/07
CA5500080_DST_900 DISINFECTION BYPRODUCTS-202404 2452 TRICHLOROACETIC ACID 26.000 1.000 UG/L 1 01-16-2024 3 2024/04 DUE NOW
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.