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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Town of Plain Dealing Water System

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)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.75 ppb124ND - 5.80 ppb
2015ND160ND
201628.7 ppb168ND - 135.0 ppb
2017ND160ND
2018ND160ND
2019ND160ND

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
2014-02-20L0039981-024.70 ppb
2014-02-20L0039981-015.80 ppb
2014-02-20L0039981-024.70 ppb
2014-02-20L0039981-015.80 ppb
2014-08-11L0046954-01ND
2014-08-11L0046954-02ND
2014-08-11L0046954-02ND
2014-08-11L0046954-01ND
2014-11-10L0050453-01ND
2014-11-10L0050453-02ND
2014-11-10L0050453-02ND
2014-11-10L0050453-01ND
2015-02-11LA3576-1ND
2015-02-11LA3576-2ND
2015-02-11LA3576-2ND
2015-02-11LA3576-1ND
2015-05-2235190120001ND
2015-05-2235190120002ND
2015-05-2235190120002ND
2015-05-2235190120001ND
2015-08-1035202296001ND
2015-08-1035202296002ND
2015-08-1035202296002ND
2015-08-1035202296001ND
2015-11-0935216320002ND
2015-11-0935216320002ND
2015-11-0935216320001ND
2015-11-0935216320001ND
2016-02-1035229689001ND
2016-02-1035229689002ND
2016-02-1035229689001ND
2016-02-1035229689002ND
2016-05-09LA20421-1ND
2016-05-09LA20421-2ND
2016-05-09LA20421-1ND
2016-05-09LA20421-2ND
2016-08-18LA24351-275.5 ppb
2016-08-18LA24351-275.5 ppb
2016-08-18LA24351-1135.0 ppb
2016-08-18LA24351-1135.0 ppb
2016-11-14LA27546-211.1 ppb
2016-11-14LA27546-211.1 ppb
2016-11-14LA27546-18.30 ppb
2016-11-14LA27546-18.30 ppb
2017-02-0935294581020ND
2017-02-0935294581019ND
2017-02-0935294581020ND
2017-02-0935294581019ND
2017-05-0335311308003ND
2017-05-0335311308004ND
2017-05-0335311308004ND
2017-05-0335311308003ND
2017-08-0935329950004ND
2017-08-0935329950005ND
2017-08-0935329950005ND
2017-08-0935329950004ND
2017-12-2135365047002ND
2017-12-2135365047001ND
2017-12-2135365047001ND
2017-12-2135365047002ND
2018-02-0935373996001ND
2018-02-0935373996002ND
2018-02-0935373996001ND
2018-02-0935373996002ND
2018-05-1035392012001ND
2018-05-1035392012002ND
2018-05-1035392012001ND
2018-05-1035392012002ND
2018-08-0335408811002ND
2018-08-0335408811001ND
2018-08-0335408811001ND
2018-08-0335408811002ND
2018-11-0835430154001ND
2018-11-0835430154002ND
2018-11-0835430154001ND
2018-11-0835430154002ND
2019-02-2035450238002ND
2019-02-2035450238001ND
2019-02-2035450238001ND
2019-02-2035450238002ND
2019-05-1335469033002ND
2019-05-1335469033002ND
2019-05-1335469033001ND
2019-05-1335469033001ND
2019-08-0935491167002ND
2019-08-0935491167001ND
2019-08-0935491167001ND
2019-08-0935491167002ND
2019-11-1435512808001ND
2019-11-1435512808002ND
2019-11-1435512808001ND
2019-11-1435512808002ND