Date:04-28-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910243SYSTEM NAME:CALIFORNIA WATER SERVICE CO-LEONA VALLEYCOUNTY:LOS ANGELES 
SOURCE NO.:800SOURCE NAME:LEO-D-80...*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
CA1910243_DST_800 DISINFECTION BYPRODUCTS-202407 2943 BROMODICHLOROMETHANE 19.000 0.500 UG/L 1 04-01-2024 3 2024/07
CA1910243_DST_800 DISINFECTION BYPRODUCTS-202407 2942 BROMOFORM 2.200 0.500 UG/L 1 04-01-2024 3 2024/07
CA1910243_DST_800 DISINFECTION BYPRODUCTS-202407 2941 CHLOROFORM 23.000 0.500 UG/L 1 04-01-2024 3 2024/07
CA1910243_DST_800 DISINFECTION BYPRODUCTS-202405 2454 DIBROMOACETIC ACID 27.000 1.000 UG/L 1 02-13-2024 3 2024/05
CA1910243_DST_800 DISINFECTION BYPRODUCTS-202407 2944 DIBROMOCHLOROMETHANE 15.000 0.500 UG/L 1 04-01-2024 3 2024/07
CA1910243_DST_800 DISINFECTION BYPRODUCTS-202405 2451 DICHLOROACETIC ACID 6.600 1.000 UG/L 1 02-13-2024 3 2024/05
CA1910243_DST_800 DISINFECTION BYPRODUCTS-202405 2456 TOTAL HALOACETIC ACIDS (HAA5) 39.000 2.000 UG/L 60 02-13-2024 3 2024/05
CA1910243_DST_800 DISINFECTION BYPRODUCTS-202405 2453 MONOBROMOACETIC ACID 2.600 1.000 UG/L 1 02-13-2024 3 2024/05
CA1910243_DST_800 DISINFECTION BYPRODUCTS-202405 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 02-13-2024 3 2024/05
CA1910243_DST_800 DISINFECTION BYPRODUCTS-202407 2950 TTHM 60.000 0.500 UG/L 80 04-01-2024 3 2024/07
CA1910243_DST_800 DISINFECTION BYPRODUCTS-202405 2452 TRICHLOROACETIC ACID 2.800 1.000 UG/L 1 02-13-2024 3 2024/05
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.