Know Your Environment. Protect Your Health.

Trichloroacetic acid

City of Munday

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

15

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.58 ppb441.10 ppb - 2.40 ppb
20191.50 ppb43ND - 2.60 ppb
20200.800 ppb42ND - 2.00 ppb
20211.15 ppb43ND - 1.60 ppb
20220.575 ppb42ND - 1.30 ppb
20230.400 ppb41ND - 1.60 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
2018-02-13Q18063650011.40 ppb
2018-05-15Q18197770011.40 ppb
2018-09-10Q18356540011.10 ppb
2018-11-19Q18471910012.40 ppb
2019-03-07Q19098660012.60 ppb
2019-05-14Q19258110012.20 ppb
2019-09-10Q19634310021.20 ppb
2019-11-06Q1975913001ND
2020-03-17Q2011593001ND
2020-05-26Q20206160021.20 ppb
2020-09-15Q20365100012.00 ppb
2020-12-02Q2048099001ND
2021-03-01Q2105127001ND
2021-05-18Q21129660011.40 ppb
2021-08-24Q21229720011.60 ppb
2021-11-16Q21320080021.60 ppb
2022-03-02Q2207233001ND
2022-05-24Q22150560011.30 ppb
2022-09-07Q22266060011.000 ppb
2022-11-15Q2234301002ND
2023-03-08Q2309180001ND
2023-05-16Q2318407001ND
2023-09-05Q2337999002ND
2023-11-28Q23505980011.60 ppb