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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

French Settlement Water Company - French Settlement

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
2014-08-2635152565024ND
2014-08-2635152565023ND
2014-08-2635152565024ND
2014-08-2635152565023ND
2015-08-1835203413001ND
2015-08-1835203413001ND
2015-08-1835203413002ND
2015-08-1835203413002ND
2016-08-3035263197001ND
2016-08-3035263197002ND
2016-08-3035263197002ND
2016-08-3035263197001ND
2017-08-0235327968020ND
2017-08-0235327968020ND
2017-08-0235327968019ND
2017-08-0235327968019ND
2018-08-0135408670002ND
2018-08-0135408670001ND
2018-08-0135408670001ND
2018-08-0135408670002ND
2019-08-0935489105001ND
2019-08-0935489105002ND
2019-08-0935489105001ND
2019-08-0935489105002ND