Trichloroacetic acid
City of Plaquemine 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 | 0.923 ppb | 32 | 32 | 0.660 ppb - 1.30 ppb |
| 2019 | 0.804 ppb | 32 | 32 | 0.460 ppb - 1.20 ppb |
| 2020 | 0.648 ppb | 16 | 15 | ND - 1.000 ppb |
| 2021 | 0.528 ppb | 16 | 12 | ND - 1.10 ppb |
| 2022 | 0.651 ppb | 16 | 15 | ND - 1.80 ppb |
| 2023 | 0.999 ppb | 16 | 13 | ND - 3.10 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 |
|---|---|---|
| 2018-02-15 | 35374877001 | 1.30 ppb |
| 2018-02-15 | 35374877002 | 0.750 ppb |
| 2018-02-15 | 35374877003 | 0.660 ppb |
| 2018-02-15 | 35374877004 | 0.730 ppb |
| 2018-02-15 | 35374877001 | 1.30 ppb |
| 2018-02-15 | 35374877002 | 0.750 ppb |
| 2018-02-15 | 35374877003 | 0.660 ppb |
| 2018-02-15 | 35374877004 | 0.730 ppb |
| 2018-05-10 | 35391870001 | 1.30 ppb |
| 2018-05-10 | 35391870002 | 0.730 ppb |
| 2018-05-10 | 35391870003 | 0.820 ppb |
| 2018-05-10 | 35391870004 | 1.30 ppb |
| 2018-05-10 | 35391870001 | 1.30 ppb |
| 2018-05-10 | 35391870002 | 0.730 ppb |
| 2018-05-10 | 35391870003 | 0.820 ppb |
| 2018-05-10 | 35391870004 | 1.30 ppb |
| 2018-08-09 | 35410445001 | 0.760 ppb |
| 2018-08-09 | 35410445002 | 0.660 ppb |
| 2018-08-09 | 35410445003 | 1.20 ppb |
| 2018-08-09 | 35410445004 | 1.30 ppb |
| 2018-08-09 | 35410445001 | 0.760 ppb |
| 2018-08-09 | 35410445002 | 0.660 ppb |
| 2018-08-09 | 35410445003 | 1.20 ppb |
| 2018-08-09 | 35410445004 | 1.30 ppb |
| 2018-11-08 | 35430217001 | 0.840 ppb |
| 2018-11-08 | 35430217002 | 0.790 ppb |
| 2018-11-08 | 35430217003 | 0.660 ppb |
| 2018-11-08 | 35430217004 | 0.960 ppb |
| 2018-11-08 | 35430217001 | 0.840 ppb |
| 2018-11-08 | 35430217002 | 0.790 ppb |
| 2018-11-08 | 35430217003 | 0.660 ppb |
| 2018-11-08 | 35430217004 | 0.960 ppb |
| 2019-02-14 | 35448459001 | 0.980 ppb |
| 2019-02-14 | 35448459002 | 1.20 ppb |
| 2019-02-14 | 35448459003 | 1.10 ppb |
| 2019-02-14 | 35448459004 | 1.10 ppb |
| 2019-02-14 | 35448459001 | 0.980 ppb |
| 2019-02-14 | 35448459002 | 1.20 ppb |
| 2019-02-14 | 35448459003 | 1.10 ppb |
| 2019-02-14 | 35448459004 | 1.10 ppb |
| 2019-05-16 | 35470498001 | 0.700 ppb |
| 2019-05-16 | 35470498002 | 0.680 ppb |
| 2019-05-16 | 35470498003 | 0.670 ppb |
| 2019-05-16 | 35470498004 | 0.660 ppb |
| 2019-05-16 | 35470498001 | 0.700 ppb |
| 2019-05-16 | 35470498002 | 0.680 ppb |
| 2019-05-16 | 35470498003 | 0.670 ppb |
| 2019-05-16 | 35470498004 | 0.660 ppb |
| 2019-08-01 | 35486877001 | 0.460 ppb |
| 2019-08-01 | 35486877002 | 0.510 ppb |
| 2019-08-01 | 35486877003 | 0.590 ppb |
| 2019-08-01 | 35486877004 | 0.690 ppb |
| 2019-08-01 | 35486877001 | 0.460 ppb |
| 2019-08-01 | 35486877002 | 0.510 ppb |
| 2019-08-01 | 35486877003 | 0.590 ppb |
| 2019-08-01 | 35486877004 | 0.690 ppb |
| 2019-11-05 | 35510878001 | 0.910 ppb |
| 2019-11-05 | 35510878002 | 0.860 ppb |
| 2019-11-05 | 35510878003 | 0.890 ppb |
| 2019-11-05 | 35510878004 | 0.860 ppb |
| 2019-11-05 | 35510878001 | 0.910 ppb |
| 2019-11-05 | 35510878002 | 0.860 ppb |
| 2019-11-05 | 35510878003 | 0.890 ppb |
| 2019-11-05 | 35510878004 | 0.860 ppb |
| 2020-02-21 | 35532639001 | 0.700 ppb |
| 2020-02-21 | 35532639002 | 0.590 ppb |
| 2020-02-21 | 35532639003 | 0.440 ppb |
| 2020-02-21 | 35532639004 | 0.470 ppb |
| 2020-05-14 | 35550485001 | 0.460 ppb |
| 2020-05-14 | 35550485002 | 0.470 ppb |
| 2020-05-14 | 35550485003 | 0.480 ppb |
| 2020-05-14 | 35550485004 | 0.500 ppb |
| 2020-08-05 | 35569240001 | 1.000 ppb |
| 2020-08-05 | 35569240002 | 1.000 ppb |
| 2020-08-05 | 35569240003 | 0.990 ppb |
| 2020-08-05 | 35569240005 | 0.950 ppb |
| 2020-11-12 | 35592175001 | ND |
| 2020-11-12 | 35592175002 | 0.740 ppb |
| 2020-11-12 | 35592175003 | 0.800 ppb |
| 2020-11-12 | 35592175004 | 0.770 ppb |
| 2021-02-10 | 35613583001 | 0.780 ppb |
| 2021-02-10 | 35613583002 | 0.720 ppb |
| 2021-02-10 | 35613583003 | 0.750 ppb |
| 2021-02-10 | 35613583004 | 1.10 ppb |
| 2021-05-19 | 35635491002 | 0.690 ppb |
| 2021-05-19 | 35635491003 | 0.820 ppb |
| 2021-05-19 | 35635491004 | 0.720 ppb |
| 2021-05-27 | 35636926001 | 0.700 ppb |
| 2021-08-11 | 35655927001 | ND |
| 2021-08-11 | 35655927002 | ND |
| 2021-08-11 | 35655927003 | ND |
| 2021-08-11 | 35655927004 | ND |
| 2021-11-02 | 35676390001 | 0.540 ppb |
| 2021-11-02 | 35676390002 | 0.550 ppb |
| 2021-11-02 | 35676390003 | 0.540 ppb |
| 2021-11-02 | 35676390004 | 0.540 ppb |
| 2022-02-02 | 35694926001 | 0.770 ppb |
| 2022-02-02 | 35694926002 | 0.760 ppb |
| 2022-02-02 | 35694926003 | 0.740 ppb |
| 2022-02-02 | 35694926004 | 0.770 ppb |
| 2022-05-10 | 35717414001 | 0.410 ppb |
| 2022-05-10 | 35717414002 | 0.410 ppb |
| 2022-05-10 | 35717414003 | 0.390 ppb |
| 2022-05-10 | 35717414004 | 1.80 ppb |
| 2022-08-02 | 35736975001 | 0.800 ppb |
| 2022-08-02 | 35736975002 | ND |
| 2022-08-02 | 35736975003 | 0.520 ppb |
| 2022-08-02 | 35736975004 | 0.460 ppb |
| 2022-11-02 | 35757718003 | 0.480 ppb |
| 2022-11-02 | 35757718004 | 0.360 ppb |
| 2022-11-02 | 35757718005 | 0.740 ppb |
| 2022-11-02 | 35757718006 | 1.000 ppb |
| 2023-02-01 | 35776736001 | 1.60 ppb |
| 2023-02-01 | 35776736002 | 3.10 ppb |
| 2023-02-01 | 35776736003 | 2.10 ppb |
| 2023-02-01 | 35776736004 | 1.40 ppb |
| 2023-05-02 | 35797441001 | 0.490 ppb |
| 2023-05-02 | 35797441002 | 0.500 ppb |
| 2023-05-02 | 35797441003 | 0.660 ppb |
| 2023-05-02 | 35797441004 | 0.710 ppb |
| 2023-08-09 | 35819866001 | 1.10 ppb |
| 2023-08-09 | 35819866002 | 1.20 ppb |
| 2023-08-09 | 35819866003 | 0.920 ppb |
| 2023-08-09 | 35819866004 | 1.10 ppb |
| 2023-11-08 | 35840524001 | ND |
| 2023-11-08 | 35840524002 | ND |
| 2023-11-08 | 35840524003 | ND |
| 2023-11-08 | 35840524004 | 1.10 ppb |