Know Your Environment. Protect Your Health.

Monochloroacetic acid

Pawc Brownell

Monochloroacetic 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.

 

84

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
20190.131 ppb161ND - 2.10 ppb
2020ND160ND
2021ND160ND
20220.163 ppb161ND - 2.60 ppb
2023ND160ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic 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.a public health goal. This health guideline protects against change to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-11-0541763801ND
2018-11-0541763501ND
2018-11-0541763701ND
2018-11-0741763601ND
2019-02-0542851801ND
2019-02-0542852001ND
2019-02-0542851901ND
2019-02-0542799601ND
2019-05-0344012601ND
2019-05-0344012901ND
2019-05-0344012701ND
2019-05-0344012801ND
2019-08-0645825601ND
2019-08-06458259012.10 ppb
2019-08-0645825801ND
2019-08-0645825701ND
2019-11-0647362401ND
2019-11-0647362301ND
2019-11-0647362201ND
2019-11-0647362101ND
2020-02-05ND
2020-02-05ND
2020-02-05ND
2020-02-05ND
2020-05-05ND
2020-05-05ND
2020-05-05ND
2020-05-05ND
2020-08-04ND
2020-08-04ND
2020-08-04ND
2020-08-04ND
2020-11-03ND
2020-11-03ND
2020-11-03ND
2020-11-03ND
2021-02-04ND
2021-02-04ND
2021-02-04ND
2021-02-04ND
2021-05-03ND
2021-05-03ND
2021-05-03ND
2021-05-03ND
2021-08-04ND
2021-08-04ND
2021-08-04ND
2021-08-04ND
2021-11-04ND
2021-11-04ND
2021-11-04ND
2021-11-04ND
2022-02-03ND
2022-02-03ND
2022-02-03ND
2022-02-03ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-08-03ND
2022-08-03ND
2022-08-03ND
2022-08-032.60 ppb
2022-11-03ND
2022-11-03ND
2022-11-03ND
2022-11-03ND
2023-02-03ND
2023-02-03ND
2023-02-03ND
2023-02-03ND
2023-05-03ND
2023-05-03ND
2023-05-03ND
2023-05-03ND
2023-08-03ND
2023-08-03ND
2023-08-03ND
2023-08-03ND
2023-11-03ND
2023-11-06ND
2023-11-06ND
2023-11-06ND