Know Your Environment. Protect Your Health.

Monochloroacetic acid

Georgetown, City of

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
2019ND80ND
2020ND80ND
2021ND80ND
20220.766 ppb81ND - 6.13 ppb
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
2018-02-142180215-02ND
2018-02-142180215-03ND
2018-05-162180517-02ND
2018-05-162180517-03ND
2018-08-152180816-02ND
2018-08-152180816-15ND
2018-11-132181114-03ND
2018-11-132181114-02ND
2019-02-212190222-23ND
2019-02-212190222-22ND
2019-05-132190514-08ND
2019-05-132190514-09ND
2019-08-142190815-03ND
2019-08-142190815-02ND
2019-11-142191119-03ND
2019-11-142191119-02ND
2020-02-182200219-03ND
2020-02-182200219-02ND
2020-05-182200519-02ND
2020-05-182200519-03ND
2020-08-172200818-49ND
2020-08-172200818-48ND
2020-11-192201120-37ND
2020-11-192201120-36ND
2021-02-172210219-03ND
2021-02-172210219-02ND
2021-05-202210521-34ND
2021-05-202210521-35ND
2021-08-192210820-24ND
2021-08-192210820-25ND
2021-11-172211118-08ND
2021-11-172211118-09ND
2022-02-142220215-16ND
2022-02-142220215-17ND
2022-05-162220517-03ND
2022-05-162220517-02ND
2022-08-152220816-02ND
2022-08-152220816-03ND
2022-11-142221115-036.13 ppb
2022-11-142221115-02ND
2023-02-1423B0073-01ND
2023-02-1423B0073-02ND
2023-05-1523E0179-01ND
2023-05-1523E0179-02ND
2023-08-1623H0150-02ND
2023-08-1623H0150-01ND
2023-11-1423K0078-01ND
2023-11-1423K0078-02ND