Know Your Environment. Protect Your Health.

Monochloroacetic acid

Clay Water Supply Corporation

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND40ND
2020ND40ND
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
2018-06-19AE30426ND
2018-08-22AE38111ND
2018-11-19AE46398ND
2019-02-12AE54046ND
2019-06-19AE71281ND
2019-08-15AE78829ND
2019-11-13AE89090ND
2020-02-27AF00226ND
2020-05-20AF11980ND
2020-08-17AF23678ND
2020-11-17AF34742ND
2021-03-09AF45947ND
2021-06-01AF56043ND
2021-08-04AF64631ND
2021-10-25AF74523ND
2022-03-16AF89340ND
2022-04-28AF94810ND
2022-09-06AG11598ND
2022-11-17AG19214ND
2023-03-07AG31746ND
2023-06-19AG44823ND
2023-08-30AG54653ND
2023-11-15AG63730ND