Trichloroacetic acid
City of Bogalusa Water System
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 | 0.386 ppb | 32 | 16 | ND - 0.920 ppb |
| 2019 | 0.648 ppb | 32 | 26 | ND - 1.20 ppb |
| 2020 | 0.439 ppb | 16 | 13 | ND - 0.990 ppb |
| 2021 | 0.544 ppb | 16 | 13 | ND - 1.10 ppb |
| 2022 | 0.535 ppb | 16 | 13 | ND - 1.20 ppb |
| 2023 | 0.364 ppb | 16 | 9 | ND - 0.960 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 | 35368407001 | ND |
| 2018-01-12 | 35368407002 | ND |
| 2018-01-12 | 35368407003 | ND |
| 2018-01-12 | 35368407004 | ND |
| 2018-01-12 | 35368407001 | ND |
| 2018-01-12 | 35368407002 | ND |
| 2018-01-12 | 35368407003 | ND |
| 2018-01-12 | 35368407004 | ND |
| 2018-04-05 | 35384630001 | ND |
| 2018-04-05 | 35384630002 | ND |
| 2018-04-05 | 35384630003 | ND |
| 2018-04-05 | 35384630004 | ND |
| 2018-04-05 | 35384630001 | ND |
| 2018-04-05 | 35384630002 | ND |
| 2018-04-05 | 35384630003 | ND |
| 2018-04-05 | 35384630004 | ND |
| 2018-07-05 | 35402539001 | 0.850 ppb |
| 2018-07-05 | 35402539002 | 0.680 ppb |
| 2018-07-05 | 35402539003 | 0.640 ppb |
| 2018-07-05 | 35402539004 | 0.880 ppb |
| 2018-07-05 | 35402539001 | 0.850 ppb |
| 2018-07-05 | 35402539002 | 0.680 ppb |
| 2018-07-05 | 35402539003 | 0.640 ppb |
| 2018-07-05 | 35402539004 | 0.880 ppb |
| 2018-10-04 | 35422549001 | 0.760 ppb |
| 2018-10-04 | 35422549002 | 0.650 ppb |
| 2018-10-04 | 35422549003 | 0.920 ppb |
| 2018-10-04 | 35422549004 | 0.790 ppb |
| 2018-10-04 | 35422549001 | 0.760 ppb |
| 2018-10-04 | 35422549002 | 0.650 ppb |
| 2018-10-04 | 35422549003 | 0.920 ppb |
| 2018-10-04 | 35422549004 | 0.790 ppb |
| 2019-01-11 | 35441865001 | 0.420 ppb |
| 2019-01-11 | 35441865002 | ND |
| 2019-01-11 | 35441865003 | 0.570 ppb |
| 2019-01-11 | 35441865004 | 0.410 ppb |
| 2019-01-11 | 35441865001 | 0.420 ppb |
| 2019-01-11 | 35441865002 | ND |
| 2019-01-11 | 35441865003 | 0.570 ppb |
| 2019-01-11 | 35441865004 | 0.410 ppb |
| 2019-04-05 | 35459959001 | 1.20 ppb |
| 2019-04-05 | 35459959002 | 0.900 ppb |
| 2019-04-05 | 35459959003 | 1.20 ppb |
| 2019-04-05 | 35459959004 | 1.20 ppb |
| 2019-04-05 | 35459959001 | 1.20 ppb |
| 2019-04-05 | 35459959002 | 0.900 ppb |
| 2019-04-05 | 35459959003 | 1.20 ppb |
| 2019-04-05 | 35459959004 | 1.20 ppb |
| 2019-07-19 | 35483671001 | ND |
| 2019-07-19 | 35483671002 | ND |
| 2019-07-19 | 35483671003 | 0.730 ppb |
| 2019-07-19 | 35483671004 | 0.630 ppb |
| 2019-07-19 | 35483671001 | ND |
| 2019-07-19 | 35483671002 | ND |
| 2019-07-19 | 35483671003 | 0.730 ppb |
| 2019-07-19 | 35483671004 | 0.630 ppb |
| 2019-10-04 | 35502858001 | 0.910 ppb |
| 2019-10-04 | 35502858002 | 0.540 ppb |
| 2019-10-04 | 35502858003 | 0.790 ppb |
| 2019-10-04 | 35502858004 | 0.860 ppb |
| 2019-10-04 | 35502858001 | 0.910 ppb |
| 2019-10-04 | 35502858002 | 0.540 ppb |
| 2019-10-04 | 35502858003 | 0.790 ppb |
| 2019-10-04 | 35502858004 | 0.860 ppb |
| 2020-01-09 | 35523412001 | ND |
| 2020-01-09 | 35523412002 | ND |
| 2020-01-09 | 35523412003 | 0.490 ppb |
| 2020-01-09 | 35523412004 | 0.370 ppb |
| 2020-04-03 | 35541463001 | 0.430 ppb |
| 2020-04-03 | 35541463002 | 0.330 ppb |
| 2020-04-03 | 35541463003 | 0.630 ppb |
| 2020-04-03 | 35541463004 | 0.650 ppb |
| 2020-07-10 | 35562378001 | 0.360 ppb |
| 2020-07-10 | 35562378002 | 0.280 ppb |
| 2020-07-10 | 35562378003 | 0.410 ppb |
| 2020-07-10 | 35562378004 | 0.340 ppb |
| 2020-10-02 | 35582099001 | 0.830 ppb |
| 2020-10-02 | 35582099002 | ND |
| 2020-10-02 | 35582099003 | 0.990 ppb |
| 2020-10-02 | 35582099004 | 0.920 ppb |
| 2021-01-08 | 35603483001 | 0.590 ppb |
| 2021-01-08 | 35603483002 | 0.570 ppb |
| 2021-01-08 | 35603483003 | 0.880 ppb |
| 2021-01-08 | 35603483004 | 0.890 ppb |
| 2021-04-09 | 35625080001 | ND |
| 2021-04-09 | 35625080002 | ND |
| 2021-04-09 | 35625080003 | 0.480 ppb |
| 2021-04-09 | 35625080004 | 0.280 ppb |
| 2021-07-09 | 35646369001 | 0.630 ppb |
| 2021-07-09 | 35646369002 | 0.450 ppb |
| 2021-07-09 | 35646369003 | 0.760 ppb |
| 2021-07-09 | 35646369004 | 0.710 ppb |
| 2021-10-01 | 35668737001 | 0.680 ppb |
| 2021-10-01 | 35668737002 | 1.10 ppb |
| 2021-10-01 | 35668737003 | 0.690 ppb |
| 2021-10-01 | 35668737004 | ND |
| 2022-01-07 | 35689215001 | ND |
| 2022-01-07 | 35689215002 | ND |
| 2022-01-07 | 35689215003 | 0.720 ppb |
| 2022-01-07 | 35689215004 | 0.610 ppb |
| 2022-04-01 | 35707497001 | 0.510 ppb |
| 2022-04-01 | 35707497002 | 0.310 ppb |
| 2022-04-01 | 35707497003 | 0.520 ppb |
| 2022-04-01 | 35707497004 | 0.460 ppb |
| 2022-07-07 | 35731064001 | 0.850 ppb |
| 2022-07-07 | 35731064002 | 0.750 ppb |
| 2022-07-07 | 35731064003 | 0.870 ppb |
| 2022-07-07 | 35731064004 | 1.20 ppb |
| 2022-10-06 | 35751458001 | 0.330 ppb |
| 2022-10-06 | 35751458002 | ND |
| 2022-10-06 | 35751458003 | 0.330 ppb |
| 2022-10-06 | 35751458004 | 1.10 ppb |
| 2023-01-06 | 35770968001 | ND |
| 2023-01-06 | 35770968002 | ND |
| 2023-01-06 | 35770968003 | 0.320 ppb |
| 2023-01-06 | 35770968004 | ND |
| 2023-04-05 | 35790912001 | 0.280 ppb |
| 2023-04-05 | 35790912002 | ND |
| 2023-04-05 | 35790912003 | 0.460 ppb |
| 2023-04-05 | 35790912004 | ND |
| 2023-07-14 | 35813441001 | 0.920 ppb |
| 2023-07-14 | 35813441002 | 0.660 ppb |
| 2023-07-14 | 35813441003 | 0.670 ppb |
| 2023-07-14 | 35813441004 | 0.650 ppb |
| 2023-10-06 | 35832961001 | 0.960 ppb |
| 2023-10-06 | 35832961002 | 0.900 ppb |
| 2023-10-06 | 35832961003 | ND |
| 2023-10-06 | 35832961004 | ND |