Date:04-28-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910041SYSTEM NAME:THREE VALLEYS MWDCOUNTY:LOS ANGELES 
SOURCE NO.:803SOURCE NAME:SITE4-WH...*SOURCE CLASS:DBPQSTATUS: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
CA1910041_DST_803 DISINFECTION BYPRODUCTS-202403 2943 BROMODICHLOROMETHANE 16.900 1.000 UG/L 1 12-06-2023 3 2024/03 DUE NOW
CA1910041_DST_803 DISINFECTION BYPRODUCTS-202403 2942 BROMOFORM 1.100 1.000 UG/L 1 12-06-2023 3 2024/03 DUE NOW
CA1910041_DST_803 DISINFECTION BYPRODUCTS-202403 2941 CHLOROFORM 14.800 1.000 UG/L 1 12-06-2023 3 2024/03 DUE NOW
CA1910041_DST_803 DISINFECTION BYPRODUCTS-202403 2454 DIBROMOACETIC ACID 2.100 1.000 UG/L 1 12-06-2023 3 2024/03 DUE NOW
CA1910041_DST_803 DISINFECTION BYPRODUCTS-202403 2944 DIBROMOCHLOROMETHANE 10.300 1.000 UG/L 1 12-06-2023 3 2024/03 DUE NOW
CA1910041_DST_803 DISINFECTION BYPRODUCTS-202403 2451 DICHLOROACETIC ACID 6.700 1.000 UG/L 1 12-06-2023 3 2024/03 DUE NOW
CA1910041_DST_803 DISINFECTION BYPRODUCTS-202403 2456 TOTAL HALOACETIC ACIDS (HAA5) 14.400 1.000 UG/L 60 12-06-2023 3 2024/03 DUE NOW
CA1910041_DST_803 DISINFECTION BYPRODUCTS-202403 2453 MONOBROMOACETIC ACID < 1.000 UG/L 1 12-06-2023 3 2024/03 DUE NOW
CA1910041_DST_803 DISINFECTION BYPRODUCTS-202403 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 12-06-2023 3 2024/03 DUE NOW
CA1910041_DST_803 DISINFECTION BYPRODUCTS-202403 2950 TTHM 43.100 1.000 UG/L 80 12-06-2023 3 2024/03 DUE NOW
CA1910041_DST_803 DISINFECTION BYPRODUCTS-202403 2452 TRICHLOROACETIC ACID 5.600 1.000 UG/L 1 12-06-2023 3 2024/03 DUE NOW
PS Codes Group Name Analyte Number Analyte Name Detected Level Less Than RL Unit MCL DLR Last Sampled Frequency Next Due Notes

*Please refer to the Stage 2 DBP Monitoring Plan Approval Letter for full sample point names.
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.