Know Your Environment. Protect Your Health.

Monochloroacetic acid

Town of Combes

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.

 

45

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND80ND
2020ND80ND
2021ND80ND
2022ND80ND
20231.06 ppb82ND - 4.60 ppb

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
2018-01-31AE11559ND
2018-04-25AE23920ND
2018-07-27AE34921ND
2018-10-12AE43412ND
2018-10-12AE43415ND
2019-02-20AE55021ND
2019-02-20AE55022ND
2019-04-03AE60982ND
2019-04-03AE60997ND
2019-07-18AE74980ND
2019-07-18AE74982ND
2019-10-21AE87040ND
2019-10-21AE87039ND
2020-03-19AF03771ND
2020-03-19AF03774ND
2020-06-11AF15027ND
2020-06-11AF15030ND
2020-07-24AF20599ND
2020-07-24AF20600ND
2020-10-06AF29650ND
2020-10-06AF29651ND
2021-03-11AF46696ND
2021-03-11AF46682ND
2021-06-23AF59416ND
2021-06-23AF59418ND
2021-08-18AF66834ND
2021-08-18AF66835ND
2021-12-08AF78313ND
2021-12-08AF78317ND
2022-02-01AF82850ND
2022-02-01AF82855ND
2022-06-08AG00322ND
2022-06-08AG00323ND
2022-07-21AG05737ND
2022-07-21AG05744ND
2022-12-05AG20629ND
2022-12-05AG20630ND
2023-02-02AG27080ND
2023-02-02AG27084ND
2023-05-18AG41063ND
2023-05-18AG41064ND
2023-08-03AG51291ND
2023-08-03AG51296ND
2023-10-18AG602523.90 ppb
2023-10-18AG602534.60 ppb