Know Your Environment. Protect Your Health.

Monochloroacetic acid

Wamac

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

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
2018-02-2138665601ND
2018-05-0239460401ND
2018-08-0840850101ND
2018-11-0741959401ND
2019-02-0643017101ND
2019-05-0844123801ND
2019-08-0746192601ND
2019-11-0647387001ND
2020-02-0548786301ND
2020-05-2049819401ND
2020-08-1951520301ND
2020-11-0452487501ND
2021-02-0353634601ND
2021-05-1954341501ND
2021-08-1855914901ND
2021-11-0356905101ND
2022-02-1657880301ND
2022-05-1858654801ND
2022-08-1760105701ND
2022-11-1661074001ND
2023-02-2262116201ND
2023-05-1763152601ND
2023-08-3067456501ND
2023-11-0868616601ND