Know Your Environment. Protect Your Health.

Monochloroacetic acid

Generation Park Management District

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
20191.40 ppb42ND - 3.30 ppb
20200.675 ppb41ND - 2.70 ppb
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
2018-02-14AE14012ND
2018-05-23AE27398ND
2018-08-30AE38911ND
2018-10-02AE42340ND
2019-03-14AE584272.30 ppb
2019-06-03AE688743.30 ppb
2019-09-04AE81996ND
2019-11-07AE88886ND
2020-02-13AE984032.70 ppb
2020-04-29AF08696ND
2020-07-27AF20632ND
2020-11-09AF33693ND
2021-02-01AF41891ND
2021-06-10AF57463ND
2021-08-11AF65836ND
2021-11-01AF75215ND
2022-02-07AF83252ND
2022-04-25AF94211ND
2022-08-23AG10482ND
2022-11-21AG19422ND
2023-01-25AG26437ND
2023-04-17AG36870ND
2023-07-25AG49994ND
2023-10-30AG61455ND