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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Town of Coahoma

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.

MORE ABOUT THIS CONTAMINANT

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND10ND
2016ND60ND
2017ND30ND
2018ND60ND
20190.375 ppb81ND - 3.00 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic acid was proposed in 2020 by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk.. This health guideline protects against system toxicity.

ppb = parts per billion

All test results

Date Lab ID Result
2015-08-26150827-006HAND
2016-05-18160520-002HAND
2016-05-18160520-001HAND
2016-08-29160830-011HAND
2016-08-29160830-010HAND
2016-12-27161228-006HAND
2016-12-27161228-005HAND
2017-03-02170303-006HAND
2017-03-02170303-005HAND
2017-06-20170621-001HAND
2018-06-11180612-001HAND
2018-06-11180612-002HAND
2018-08-28180829-008HAND
2018-08-28180829-006HAND
2018-11-26181127-004HAND
2018-11-26181127-003HAND
2019-02-26190227-004HAND
2019-02-26190227-003HA3.00 ppb
2019-05-20190521-008HAND
2019-05-20190521-007HAND
2019-10-10191011-002HAND
2019-10-10191011-001HAND
2019-12-12191213-001HAND
2019-12-12191213-002HAND