Know Your Environment. Protect Your Health.

Monochloroacetic acid

Paw Blue Mountain Division

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
2019ND160ND
2020ND160ND
2021ND160ND
2022ND160ND
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
2018-11-0941766001ND
2018-11-0941765801ND
2018-11-0941766101ND
2018-11-0941765901ND
2019-02-1342853701ND
2019-02-1342854001ND
2019-02-1342853801ND
2019-02-1342853901ND
2019-05-0944015701ND
2019-05-1044016001ND
2019-05-1044015801ND
2019-05-1044015901ND
2019-08-0945829601ND
2019-08-0945829901ND
2019-08-0945829701ND
2019-08-0945829801ND
2019-11-1147364701ND
2019-11-1147364601ND
2019-11-1147364401ND
2019-11-1247364501ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-05-11ND
2020-05-11ND
2020-05-11ND
2020-05-11ND
2020-08-11ND
2020-08-11ND
2020-08-11ND
2020-08-11ND
2020-11-09ND
2020-11-09ND
2020-11-09ND
2020-11-09ND
2021-02-09ND
2021-02-09ND
2021-02-09ND
2021-02-09ND
2021-05-10ND
2021-05-10ND
2021-05-10ND
2021-05-10ND
2021-08-09ND
2021-08-09ND
2021-08-09ND
2021-08-09ND
2021-11-09ND
2021-11-09ND
2021-11-09ND
2021-11-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-05-09ND
2022-05-09ND
2022-05-09ND
2022-05-09ND
2022-08-09ND
2022-08-09ND
2022-08-09ND
2022-08-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2023-02-09ND
2023-02-09ND
2023-02-09ND
2023-02-09ND
2023-05-09ND
2023-05-09ND
2023-05-09ND
2023-05-09ND
2023-08-09ND
2023-08-09ND
2023-08-09ND
2023-08-09ND
2023-11-09ND
2023-11-09ND
2023-11-09ND
2023-11-09ND