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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

West Baton Rouge Water Works District 2

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

 

92

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
2017ND160ND
2018ND320ND
2019ND320ND

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
2014-07-01680-102921-4ND
2014-07-01680-102921-3ND
2014-07-01680-102921-4ND
2014-07-01680-102921-3ND
2015-07-18680-114711-3ND
2015-07-18680-114711-3ND
2015-07-18680-114711-4ND
2015-07-18680-114711-4ND
2016-07-12680-127504-1ND
2016-07-12680-127504-3ND
2016-07-12680-127504-3ND
2016-07-12680-127504-1ND
2017-07-1335324139003ND
2017-07-1335324139002ND
2017-07-1335324139001ND
2017-07-1335324139004ND
2017-07-1335324139004ND
2017-07-1335324139003ND
2017-07-1335324139002ND
2017-07-1335324139001ND
2017-10-0635340635003ND
2017-10-0635340635003ND
2017-10-0635340635002ND
2017-10-0635340635001ND
2017-10-0635340635004ND
2017-10-0635340635004ND
2017-10-0635340635002ND
2017-10-0635340635001ND
2018-01-1135368351002ND
2018-01-1135368351003ND
2018-01-1135368351002ND
2018-01-1135368351001ND
2018-01-1135368351004ND
2018-01-1135368351004ND
2018-01-1135368351003ND
2018-01-1135368351001ND
2018-04-0535384520003ND
2018-04-0535384520002ND
2018-04-0535384520004ND
2018-04-0535384520003ND
2018-04-0535384520002ND
2018-04-0535384520001ND
2018-04-0535384520004ND
2018-04-0535384520001ND
2018-07-0535402610002ND
2018-07-0535402610004ND
2018-07-0535402610003ND
2018-07-0535402610002ND
2018-07-0535402610001ND
2018-07-0535402610003ND
2018-07-0535402610001ND
2018-07-0535402610004ND
2018-10-1135424031004ND
2018-10-1135424031003ND
2018-10-1135424031002ND
2018-10-1135424031001ND
2018-10-1135424031004ND
2018-10-1135424031003ND
2018-10-1135424031002ND
2018-10-1135424031001ND
2019-01-1035441775003ND
2019-01-1035441775004ND
2019-01-1035441775004ND
2019-01-1035441775003ND
2019-01-1035441775002ND
2019-01-1035441775001ND
2019-01-1035441775002ND
2019-01-1035441775001ND
2019-04-0335459061004ND
2019-04-0335459061001ND
2019-04-0335459061004ND
2019-04-0335459061003ND
2019-04-0335459061002ND
2019-04-0335459061001ND
2019-04-0335459061002ND
2019-04-0335459061003ND
2019-07-1635483536004ND
2019-07-1635483536004ND
2019-07-1635483536003ND
2019-07-1635483536002ND
2019-07-1635483536001ND
2019-07-1635483536001ND
2019-07-1635483536002ND
2019-07-1635483536003ND
2019-10-1035504615001ND
2019-10-1035504615004ND
2019-10-1035504615003ND
2019-10-1035504615002ND
2019-10-1035504615001ND
2019-10-1035504615004ND
2019-10-1035504615003ND
2019-10-1035504615002ND