Know Your Environment. Protect Your Health.

Monochloroacetic acid

Loop 360 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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
20192.89 ppb84ND - 6.90 ppb
20201.60 ppb83ND - 4.60 ppb
2021ND80ND
2022ND80ND
20231.24 ppb81ND - 9.90 ppb

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
2018-02-20AE14406ND
2018-03-07AE17249ND
2018-05-16AE26541ND
2018-05-16AE26540ND
2018-08-03AE35685ND
2018-08-03AE35686ND
2018-11-20AE46599ND
2018-11-20AE46604ND
2019-01-30AE52162ND
2019-01-30AE52165ND
2019-05-08AE653775.40 ppb
2019-06-07AE694726.90 ppb
2019-08-16AE790855.50 ppb
2019-08-16AE790845.30 ppb
2019-12-05AE91395ND
2019-12-05AE91397ND
2020-03-04AF010714.60 ppb
2020-03-04AF010743.70 ppb
2020-04-22AF07534ND
2020-04-22AF07535ND
2020-07-15AF19383ND
2020-07-15AF19385ND
2020-10-15AF30823ND
2020-10-15AF308374.50 ppb
2021-01-12AF38662ND
2021-01-12AF38664ND
2021-04-20AF50617ND
2021-04-20AF50618ND
2021-08-10AF65558ND
2021-08-10AF65565ND
2021-11-15AF76524ND
2021-11-15AF76529ND
2022-03-14AF88869ND
2022-03-14AF88886ND
2022-06-06AF99622ND
2022-06-06AF99624ND
2022-08-03AG07562ND
2022-08-03AG07563ND
2022-12-01AG20424ND
2022-12-01AG20427ND
2023-02-13AG284759.90 ppb
2023-02-13AG28477ND
2023-05-09AG39678ND
2023-05-09AG39679ND
2023-08-22AG53416ND
2023-08-22AG53417ND
2023-10-23AG60591ND
2023-10-23AG60593ND