Date:05-30-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910134SYSTEM NAME:CALIFORNIA WATER SERVICE CO. - HERM/REDOCOUNTY:LOS ANGELES 
SOURCE NO.:801SOURCE NAME:HR-D-003...*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
CA1910134_DST_801 DISINFECTION BYPRODUCTS-202406 2943 BROMODICHLOROMETHANE 9.600 0.500 UG/L 1 03-05-2024 3 2024/06
CA1910134_DST_801 DISINFECTION BYPRODUCTS-202406 2942 BROMOFORM 4.800 0.500 UG/L 1 03-05-2024 3 2024/06
CA1910134_DST_801 DISINFECTION BYPRODUCTS-202406 2941 CHLOROFORM 6.600 0.500 UG/L 1 03-05-2024 3 2024/06
CA1910134_DST_801 DISINFECTION BYPRODUCTS-202406 2454 DIBROMOACETIC ACID 3.200 1.000 UG/L 1 03-05-2024 3 2024/06
CA1910134_DST_801 DISINFECTION BYPRODUCTS-202406 2944 DIBROMOCHLOROMETHANE 11.000 0.500 UG/L 1 03-05-2024 3 2024/06
CA1910134_DST_801 DISINFECTION BYPRODUCTS-202406 2451 DICHLOROACETIC ACID 4.500 1.000 UG/L 1 03-05-2024 3 2024/06
CA1910134_DST_801 DISINFECTION BYPRODUCTS-202406 2456 TOTAL HALOACETIC ACIDS (HAA5) 9.000 2.000 UG/L 60 03-05-2024 3 2024/06
CA1910134_DST_801 DISINFECTION BYPRODUCTS-202406 2453 MONOBROMOACETIC ACID < 1.000 UG/L 1 03-05-2024 3 2024/06
CA1910134_DST_801 DISINFECTION BYPRODUCTS-202406 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 03-05-2024 3 2024/06
CA1910134_DST_801 DISINFECTION BYPRODUCTS-202406 2950 TTHM 32.000 0.500 UG/L 80 03-05-2024 3 2024/06
CA1910134_DST_801 DISINFECTION BYPRODUCTS-202406 2452 TRICHLOROACETIC ACID 1.300 1.000 UG/L 1 03-05-2024 3 2024/06
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.