Know Your Environment. Protect Your Health.

Monochloroacetic acid

Lwwsd - South Shore Water System

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND30ND
2020N/A00N/A
2021ND80ND
2022ND100ND
2023ND60ND

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
2018-07-18ND
2018-07-18ND
2019-07-10ND
2019-07-10ND
2019-07-10ND
2021-03-254095912ND
2021-03-254095910ND
2021-05-064114152ND
2021-05-064114150ND
2021-07-224148995ND
2021-07-224148997ND
2021-10-124197751ND
2021-10-124197753ND
2022-01-134234095ND
2022-01-134234153ND
2022-01-134234126ND
2022-01-134234139ND
2022-04-134278907ND
2022-04-134278909ND
2022-07-254323694ND
2022-07-254323692ND
2022-10-204368418ND
2022-10-204368416ND
2023-01-194400234ND
2023-01-194400236ND
2023-04-114437335ND
2023-04-114437333ND
2023-07-184546470ND
2023-07-184546462ND