Know Your Environment. Protect Your Health.

Monochloroacetic acid

Ephrata Area Joint Authority

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.

 

63

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND170ND
2019ND140ND
2020ND80ND
2021ND80ND
2022ND80ND
2023ND80ND

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
2018-01-037028132-03ND
2018-01-037028132-04ND
2018-01-037028132-02ND
2018-01-037028132-01ND
2018-04-038008817-04ND
2018-04-038008817-03ND
2018-04-038008817-01ND
2018-04-038008817-02ND
2018-07-038008756-04ND
2018-07-038008756-03ND
2018-07-038008756-02ND
2018-07-038008756-01ND
2018-08-198020835-01ND
2018-10-038018031-02ND
2018-10-038018031-04ND
2018-10-038018031-01ND
2018-10-038018031-03ND
2019-01-039000137-03ND
2019-01-039000137-01ND
2019-01-039000137-04ND
2019-01-039000137-02ND
2019-04-038029392-01ND
2019-04-038029392-04ND
2019-07-049009724-03ND
2019-07-049009724-02ND
2019-07-049009724-01ND
2019-07-049009724-04ND
2019-10-069021928-01ND
2019-10-069021928-03ND
2019-10-069021928-04ND
2019-10-069021928-02ND
2020-01-05ND
2020-01-05ND
2020-04-06ND
2020-04-06ND
2020-07-06ND
2020-07-06ND
2020-10-05ND
2020-10-05ND
2021-01-04ND
2021-01-04ND
2021-04-05ND
2021-04-05ND
2021-07-07ND
2021-07-07ND
2021-10-04ND
2021-10-04ND
2022-01-04ND
2022-01-04ND
2022-04-07ND
2022-04-07ND
2022-07-05ND
2022-07-05ND
2022-10-04ND
2022-10-04ND
2023-01-05ND
2023-01-05ND
2023-04-04ND
2023-04-04ND
2023-07-05ND
2023-07-05ND
2023-10-03ND
2023-10-03ND