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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Phoenix Mobile Home Park of Lake Charles LLC W S

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND40ND
2019ND40ND

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
2014-08-2935153788002ND
2014-08-2935153788001ND
2014-08-2935153788002ND
2014-08-2935153788001ND
2015-08-132024076001ND
2015-08-132024076001ND
2015-08-132024076002ND
2015-08-132024076002ND
2016-08-242041754001ND
2016-08-242041754002ND
2016-08-242041754002ND
2016-08-242041754001ND
2017-08-1035329998006ND
2017-08-1035329998006ND
2017-08-1035329998005ND
2017-08-1035329998005ND
2018-08-0135408719002ND
2018-08-0135408719001ND
2018-08-0135408719001ND
2018-08-0135408719002ND
2019-08-0735489024001ND
2019-08-0735489024002ND
2019-08-0735489024001ND
2019-08-0735489024002ND