Date:05-13-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4110016SYSTEM NAME:TOWN OF HILLSBOROUGHCOUNTY:SAN MATEO 
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
CA4110016_DST_900 DISINFECTION BYPRODUCTS-202405 2943 BROMODICHLOROMETHANE 5.490 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_900 DISINFECTION BYPRODUCTS-202405 2942 BROMOFORM < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_900 DISINFECTION BYPRODUCTS-202405 2941 CHLOROFORM 17.100 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_900 DISINFECTION BYPRODUCTS-202405 2454 DIBROMOACETIC ACID < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_900 DISINFECTION BYPRODUCTS-202405 2944 DIBROMOCHLOROMETHANE < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_900 DISINFECTION BYPRODUCTS-202405 2451 DICHLOROACETIC ACID 10.000 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_900 DISINFECTION BYPRODUCTS-202405 2456 TOTAL HALOACETIC ACIDS (HAA5) 14.000 6.000 UG/L 60 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_900 DISINFECTION BYPRODUCTS-202405 2453 MONOBROMOACETIC ACID < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_900 DISINFECTION BYPRODUCTS-202405 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_900 DISINFECTION BYPRODUCTS-202405 2950 TTHM 22.500 4.000 UG/L 80 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_900 DISINFECTION BYPRODUCTS-202405 2452 TRICHLOROACETIC ACID 3.600 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_901 DISINFECTION BYPRODUCTS-202405 2943 BROMODICHLOROMETHANE 5.810 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_901 DISINFECTION BYPRODUCTS-202405 2942 BROMOFORM < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_901 DISINFECTION BYPRODUCTS-202405 2941 CHLOROFORM 19.100 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_901 DISINFECTION BYPRODUCTS-202405 2454 DIBROMOACETIC ACID < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_901 DISINFECTION BYPRODUCTS-202405 2944 DIBROMOCHLOROMETHANE < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_901 DISINFECTION BYPRODUCTS-202405 2451 DICHLOROACETIC ACID 11.000 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_901 DISINFECTION BYPRODUCTS-202405 2456 TOTAL HALOACETIC ACIDS (HAA5) 15.000 6.000 UG/L 60 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_901 DISINFECTION BYPRODUCTS-202405 2453 MONOBROMOACETIC ACID < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_901 DISINFECTION BYPRODUCTS-202405 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_901 DISINFECTION BYPRODUCTS-202405 2950 TTHM 24.900 4.000 UG/L 80 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_901 DISINFECTION BYPRODUCTS-202405 2452 TRICHLOROACETIC ACID 4.000 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_902 DISINFECTION BYPRODUCTS-202405 2943 BROMODICHLOROMETHANE 6.270 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_902 DISINFECTION BYPRODUCTS-202405 2942 BROMOFORM < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_902 DISINFECTION BYPRODUCTS-202405 2941 CHLOROFORM 19.800 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_902 DISINFECTION BYPRODUCTS-202405 2454 DIBROMOACETIC ACID < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_902 DISINFECTION BYPRODUCTS-202405 2944 DIBROMOCHLOROMETHANE < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_902 DISINFECTION BYPRODUCTS-202405 2451 DICHLOROACETIC ACID 9.400 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_902 DISINFECTION BYPRODUCTS-202405 2456 TOTAL HALOACETIC ACIDS (HAA5) 13.000 6.000 UG/L 60 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_902 DISINFECTION BYPRODUCTS-202405 2453 MONOBROMOACETIC ACID < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_902 DISINFECTION BYPRODUCTS-202405 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_902 DISINFECTION BYPRODUCTS-202405 2950 TTHM 26.100 4.000 UG/L 80 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_902 DISINFECTION BYPRODUCTS-202405 2452 TRICHLOROACETIC ACID 3.400 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_903 DISINFECTION BYPRODUCTS-202405 2943 BROMODICHLOROMETHANE 5.380 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_903 DISINFECTION BYPRODUCTS-202405 2942 BROMOFORM < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_903 DISINFECTION BYPRODUCTS-202405 2941 CHLOROFORM 16.000 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_903 DISINFECTION BYPRODUCTS-202405 2454 DIBROMOACETIC ACID < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_903 DISINFECTION BYPRODUCTS-202405 2944 DIBROMOCHLOROMETHANE 1.300 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_903 DISINFECTION BYPRODUCTS-202405 2451 DICHLOROACETIC ACID 11.000 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_903 DISINFECTION BYPRODUCTS-202405 2456 TOTAL HALOACETIC ACIDS (HAA5) 14.000 6.000 UG/L 60 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_903 DISINFECTION BYPRODUCTS-202405 2453 MONOBROMOACETIC ACID < 1.000 UG/L 1 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_903 DISINFECTION BYPRODUCTS-202405 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_903 DISINFECTION BYPRODUCTS-202405 2950 TTHM 22.700 4.000 UG/L 80 02-07-2024 3 2024/05 DUE NOW
CA4110016_DST_903 DISINFECTION BYPRODUCTS-202405 2452 TRICHLOROACETIC ACID 3.300 1.000 UG/L 1 02-07-2024 3 2024/05 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.