Know Your Environment. Protect Your Health.

Monochloroacetic acid

Western Berks Water Authority

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.

 

79

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND130ND
2020ND150ND
2021ND150ND
20220.130 ppb161ND - 2.08 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
2018-08-148070310-01ND
2018-08-148070310-02ND
2018-11-128100821-01ND
2018-11-128100821-02ND
2019-02-139013281-01ND
2019-02-139013281-02ND
2019-05-139040980-03ND
2019-05-139040980-01ND
2019-05-139040980-04ND
2019-05-139040980-02ND
2019-08-129070836-03REND
2019-08-129070836-01REND
2019-08-129070836-02REND
2019-08-129070836-04REND
2019-11-119100880-04ND
2019-11-119100880-02ND
2019-11-119100880-01ND
2020-02-11ND
2020-02-11ND
2020-02-11ND
2020-02-11ND
2020-05-11ND
2020-05-11ND
2020-05-11ND
2020-05-11ND
2020-08-12ND
2020-08-12ND
2020-08-12ND
2020-08-12ND
2020-11-12ND
2020-11-12ND
2020-11-12ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-05-11ND
2021-05-11ND
2021-05-11ND
2021-08-11ND
2021-08-11ND
2021-08-11ND
2021-08-11ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2022-02-08ND
2022-02-08ND
2022-02-08ND
2022-02-08ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-08-10ND
2022-08-10ND
2022-08-10ND
2022-08-10ND
2022-11-07ND
2022-11-07ND
2022-11-072.08 ppb
2022-11-07ND
2023-02-15ND
2023-02-15ND
2023-02-15ND
2023-02-15ND
2023-05-08ND
2023-05-08ND
2023-05-08ND
2023-05-08ND
2023-08-15ND
2023-08-15ND
2023-08-15ND
2023-08-15ND
2023-11-14ND
2023-11-14ND
2023-11-14ND
2023-11-14ND