Trichloroacetic acid
Baton Rouge Water Company
Trichloroacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.397 ppb | 32 | 18 | ND - 1.20 ppb |
| 2019 | 0.577 ppb | 32 | 16 | ND - 3.30 ppb |
| 2020 | 0.0745 ppb | 20 | 2 | ND - 1.000 ppb |
| 2021 | 0.218 ppb | 16 | 6 | ND - 1.10 ppb |
| 2022 | 0.481 ppb | 16 | 7 | ND - 1.40 ppb |
| 2023 | 0.343 ppb | 16 | 6 | ND - 1.30 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.1 ppb
The EWG Health Guideline of 0.1 ppb for trichloroacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to reproduction and child development.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-12 | 35368349001 | ND |
| 2018-01-12 | 35368349002 | ND |
| 2018-01-12 | 35368349003 | ND |
| 2018-01-12 | 35368349004 | 0.990 ppb |
| 2018-01-12 | 35368349001 | ND |
| 2018-01-12 | 35368349002 | ND |
| 2018-01-12 | 35368349003 | ND |
| 2018-01-12 | 35368349004 | 0.990 ppb |
| 2018-04-13 | 35386144001 | 0.500 ppb |
| 2018-04-13 | 35386144002 | 0.380 ppb |
| 2018-04-13 | 35386144003 | ND |
| 2018-04-13 | 35386144004 | ND |
| 2018-04-13 | 35386144001 | 0.500 ppb |
| 2018-04-13 | 35386144002 | 0.380 ppb |
| 2018-04-13 | 35386144003 | ND |
| 2018-04-13 | 35386144004 | ND |
| 2018-07-06 | 35402609001 | 0.560 ppb |
| 2018-07-06 | 35402609002 | 0.500 ppb |
| 2018-07-06 | 35402609003 | 0.470 ppb |
| 2018-07-06 | 35402609004 | 1.20 ppb |
| 2018-07-06 | 35402609001 | 0.560 ppb |
| 2018-07-06 | 35402609002 | 0.500 ppb |
| 2018-07-06 | 35402609003 | 0.470 ppb |
| 2018-07-06 | 35402609004 | 1.20 ppb |
| 2018-10-12 | 35424030001 | 0.550 ppb |
| 2018-10-12 | 35424030002 | ND |
| 2018-10-12 | 35424030003 | ND |
| 2018-10-12 | 35424030004 | 1.20 ppb |
| 2018-10-12 | 35424030001 | 0.550 ppb |
| 2018-10-12 | 35424030002 | ND |
| 2018-10-12 | 35424030003 | ND |
| 2018-10-12 | 35424030004 | 1.20 ppb |
| 2019-01-17 | 35443163001 | 0.350 ppb |
| 2019-01-17 | 35443163002 | ND |
| 2019-01-17 | 35443163003 | ND |
| 2019-01-17 | 35443163004 | 3.30 ppb |
| 2019-01-17 | 35443163001 | 0.350 ppb |
| 2019-01-17 | 35443163002 | ND |
| 2019-01-17 | 35443163003 | ND |
| 2019-01-17 | 35443163004 | 3.30 ppb |
| 2019-04-08 | 35460486001 | 0.500 ppb |
| 2019-04-08 | 35460486002 | ND |
| 2019-04-08 | 35460486003 | 0.340 ppb |
| 2019-04-08 | 35460486004 | 1.60 ppb |
| 2019-04-08 | 35460486001 | 0.500 ppb |
| 2019-04-08 | 35460486002 | ND |
| 2019-04-08 | 35460486003 | 0.340 ppb |
| 2019-04-08 | 35460486004 | 1.60 ppb |
| 2019-07-18 | 35483535001 | ND |
| 2019-07-18 | 35483535002 | 0.340 ppb |
| 2019-07-18 | 35483535003 | ND |
| 2019-07-18 | 35483535004 | 1.50 ppb |
| 2019-07-18 | 35483535001 | ND |
| 2019-07-18 | 35483535002 | 0.340 ppb |
| 2019-07-18 | 35483535003 | ND |
| 2019-07-18 | 35483535004 | 1.50 ppb |
| 2019-10-18 | 35506238001 | ND |
| 2019-10-18 | 35506238002 | ND |
| 2019-10-18 | 35506238003 | ND |
| 2019-10-18 | 35506238004 | 1.30 ppb |
| 2019-10-18 | 35506238001 | ND |
| 2019-10-18 | 35506238002 | ND |
| 2019-10-18 | 35506238003 | ND |
| 2019-10-18 | 35506238004 | 1.30 ppb |
| 2020-01-17 | 35525188001 | ND |
| 2020-01-17 | 35525188002 | ND |
| 2020-01-17 | 35525188003 | ND |
| 2020-01-17 | 35525188004 | ND |
| 2020-04-17 | 35544595001 | 0.490 ppb |
| 2020-04-17 | 35544595002 | ND |
| 2020-04-17 | 35544595003 | ND |
| 2020-04-17 | 35544595004 | ND |
| 2020-07-24 | 35565714001 | ND |
| 2020-07-24 | 35565714002 | ND |
| 2020-07-24 | 35565714003 | ND |
| 2020-07-24 | 35565714004 | ND |
| 2020-07-24 | B2003696-001 | ND |
| 2020-07-24 | B2003696-002 | ND |
| 2020-07-24 | B2003696-003 | ND |
| 2020-07-24 | B2003696-004 | ND |
| 2020-10-16 | 35585673001 | ND |
| 2020-10-16 | 35585673002 | ND |
| 2020-10-16 | 35585673003 | ND |
| 2020-10-16 | 35585673004 | 1.000 ppb |
| 2021-01-08 | 35603486001 | ND |
| 2021-01-08 | 35603486002 | ND |
| 2021-01-08 | 35603486003 | ND |
| 2021-01-08 | 35603486004 | ND |
| 2021-04-16 | 35626813001 | ND |
| 2021-04-16 | 35626813002 | ND |
| 2021-04-16 | 35626813003 | ND |
| 2021-04-16 | 35626813004 | ND |
| 2021-07-16 | 35648575001 | 0.340 ppb |
| 2021-07-16 | 35648575002 | 0.280 ppb |
| 2021-07-16 | 35648575003 | ND |
| 2021-07-16 | 35648575004 | 0.800 ppb |
| 2021-10-14 | 35671252001 | 0.580 ppb |
| 2021-10-14 | 35671252002 | 0.390 ppb |
| 2021-10-14 | 35671252003 | ND |
| 2021-10-14 | 35671252004 | 1.10 ppb |
| 2022-01-12 | 35690034001 | 0.610 ppb |
| 2022-01-12 | 35690034002 | 1.40 ppb |
| 2022-01-12 | 35690034003 | ND |
| 2022-01-12 | 35690034004 | ND |
| 2022-04-07 | 35709560001 | ND |
| 2022-04-07 | 35709560002 | ND |
| 2022-04-07 | 35709560003 | ND |
| 2022-04-07 | 35709560004 | 1.30 ppb |
| 2022-07-07 | 35730128001 | ND |
| 2022-07-07 | 35730128002 | ND |
| 2022-07-07 | 35730130001 | ND |
| 2022-07-07 | 35730130002 | 1.10 ppb |
| 2022-10-13 | 35753779001 | ND |
| 2022-10-13 | 35753779002 | 1.10 ppb |
| 2022-10-13 | 35753779003 | 1.40 ppb |
| 2022-10-13 | 35753779004 | 0.780 ppb |
| 2023-01-11 | 35772526001 | ND |
| 2023-01-11 | 35772526002 | 0.800 ppb |
| 2023-01-11 | 35772526003 | ND |
| 2023-01-11 | 35772526004 | ND |
| 2023-04-13 | 35792665001 | 0.660 ppb |
| 2023-04-13 | 35792665002 | 1.30 ppb |
| 2023-04-13 | 35792665003 | ND |
| 2023-04-13 | 35792665004 | ND |
| 2023-07-12 | 35813146001 | ND |
| 2023-07-12 | 35813146002 | 1.10 ppb |
| 2023-07-12 | 35813254001 | ND |
| 2023-07-12 | 35813254002 | ND |
| 2023-10-12 | 35834396003 | 1.20 ppb |
| 2023-10-12 | 35834396004 | ND |
| 2023-10-12 | 35834432002 | ND |
| 2023-10-19 | 35836065001 | 0.420 ppb |