Know Your Environment. Protect Your Health.

Monochloroacetic acid

Aqua Pa Uwchlan

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
20190.131 ppb162ND - 1.10 ppb
20200.588 ppb167ND - 1.90 ppb
2021ND160ND
20220.513 ppb164ND - 2.30 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
2018-02-02AF75105ND
2018-02-02AF75090ND
2018-02-02AF75098ND
2018-02-02AF75093ND
2018-05-04AF83196ND
2018-05-04AF82684ND
2018-05-04AF83209ND
2018-05-04AF83199ND
2018-08-03AF91489ND
2018-08-03AF91060ND
2018-08-03AF91502ND
2018-08-03AF91491ND
2018-11-02AG00170ND
2018-11-02AG00167ND
2018-11-02AG00182ND
2018-11-02AF98507ND
2019-02-01AG07528ND
2019-02-01AG07539ND
2019-02-01AG07525ND
2019-02-01AG063151.000 ppb
2019-05-03AG16209ND
2019-05-03AG16212ND
2019-05-03AG14762ND
2019-05-03AG16230ND
2019-08-02AG24427ND
2019-08-02AG26311ND
2019-08-02AG26313ND
2019-08-02AG26328ND
2019-11-01AG37023ND
2019-11-01AG37011ND
2019-11-01AG37014ND
2019-11-01AG355451.10 ppb
2020-02-07ND
2020-02-07ND
2020-02-07ND
2020-02-07ND
2020-05-01ND
2020-05-011.20 ppb
2020-05-011.20 ppb
2020-05-011.40 ppb
2020-08-041.90 ppb
2020-08-041.10 ppb
2020-08-041.30 ppb
2020-08-05ND
2020-11-061.30 ppb
2020-11-06ND
2020-11-06ND
2020-11-06ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-05-07ND
2021-05-07ND
2021-05-07ND
2021-05-07ND
2021-08-06ND
2021-08-06ND
2021-08-06ND
2021-08-06ND
2021-11-05ND
2021-11-05ND
2021-11-05ND
2021-11-05ND
2022-02-042.30 ppb
2022-02-041.90 ppb
2022-02-042.20 ppb
2022-02-041.80 ppb
2022-05-03ND
2022-05-03ND
2022-05-03ND
2022-05-03ND
2022-08-05ND
2022-08-05ND
2022-08-05ND
2022-08-05ND
2022-11-04ND
2022-11-04ND
2022-11-04ND
2022-11-04ND
2023-02-03ND
2023-02-03ND
2023-02-03ND
2023-02-03ND
2023-05-05ND
2023-05-05ND
2023-05-05ND
2023-05-05ND
2023-08-04ND
2023-08-04ND
2023-08-04ND
2023-08-04ND
2023-11-03ND
2023-11-03ND
2023-11-03ND
2023-11-03ND