Know Your Environment. Protect Your Health.

Trichloroacetic acid

Brookeland Fresh Water Supply District

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.700 ppb21ND - 1.40 ppb
20190.700 ppb21ND - 1.40 ppb
20200.500 ppb21ND - 1.000 ppb
20211.30 ppb221.10 ppb - 1.50 ppb
20220.500 ppb21ND - 1.000 ppb
20230.500 ppb21ND - 1.000 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
2018-09-13Q1836531001ND
2018-09-13Q18365310021.40 ppb
2019-07-10Q19437260031.40 ppb
2019-07-10Q1943726004ND
2020-09-14Q2036334001ND
2020-09-14Q20363340021.000 ppb
2021-09-01Q21238300141.50 ppb
2021-09-01Q21238300151.10 ppb
2022-08-16Q22240050061.000 ppb
2022-08-16Q2224005007ND
2023-06-26Q2324301009ND
2023-06-26Q23243010101.000 ppb