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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Waxahachie

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

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.68 ppb169ND - 3.80 ppb
20151.99 ppb164ND - 8.50 ppb
2016ND160ND
20170.219 ppb163ND - 1.30 ppb
20182.77 ppb1615ND - 4.00 ppb
20191.83 ppb1613ND - 4.00 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
2014-03-19Q1408832016ND
2014-03-19Q1408832015ND
2014-03-19Q14088320142.70 ppb
2014-03-19Q1408832013ND
2014-06-04Q14194110042.80 ppb
2014-06-04Q14194110033.30 ppb
2014-06-04Q14194110022.70 ppb
2014-06-04Q14194110013.60 ppb
2014-07-31Q1432876002ND
2014-07-31Q1432876001ND
2014-07-31Q1432876003ND
2014-07-31Q1432876004ND
2014-10-24Q14540420043.00 ppb
2014-10-24Q14540420032.30 ppb
2014-10-24Q14540420022.60 ppb
2014-10-24Q14540420013.80 ppb
2015-03-16Q1509552004ND
2015-03-16Q1509552003ND
2015-03-16Q1509552002ND
2015-03-16Q1509552001ND
2015-04-27Q1515456018ND
2015-04-27Q1515456008ND
2015-04-27Q1515456010ND
2015-04-27Q1515456009ND
2015-07-23Q15287050068.20 ppb
2015-07-23Q15287050057.30 ppb
2015-07-23Q15287050048.50 ppb
2015-07-23Q15287050037.90 ppb
2015-11-19Q1546067001ND
2015-11-19Q1546067004ND
2015-11-19Q1546067003ND
2015-11-19Q1546067002ND
2016-01-21Q1602735020ND
2016-01-21Q1602735019ND
2016-01-21Q1602735021ND
2016-01-21Q1602735022ND
2016-05-09Q1618032004ND
2016-05-09Q1618032003ND
2016-05-09Q1618032002ND
2016-05-09Q1618032001ND
2016-09-01Q1635064006ND
2016-09-01Q1635064001ND
2016-09-01Q1635064005ND
2016-09-01Q1635064004ND
2016-11-15Q1649514002ND
2016-11-15Q1649514004ND
2016-11-15Q1649514001ND
2016-11-15Q1649514003ND
2017-02-15Q1706573004ND
2017-02-15Q17065730031.30 ppb
2017-02-15Q1706573002ND
2017-02-15Q17065730011.10 ppb
2017-04-12Q1715005006ND
2017-04-12Q1715005005ND
2017-04-12Q1715005004ND
2017-04-12Q17150050031.10 ppb
2017-07-10Q1727841003ND
2017-07-10Q1727841001ND
2017-07-10Q1727841004ND
2017-07-10Q1727841002ND
2017-11-13Q1757929004ND
2017-11-13Q1757929003ND
2017-11-13Q1757929002ND
2017-11-13Q1757929001ND
2018-01-25Q18029820182.20 ppb
2018-01-25Q18029820022.10 ppb
2018-01-25Q1802982001ND
2018-01-25Q18029820072.00 ppb
2018-04-23Q18164070013.20 ppb
2018-04-23Q18164070033.80 ppb
2018-04-23Q18164070043.00 ppb
2018-04-23Q18164070024.00 ppb
2018-08-13Q18322160023.40 ppb
2018-08-13Q18322160062.80 ppb
2018-08-13Q18322160013.30 ppb
2018-08-13Q18322160053.20 ppb
2018-11-26Q18476810043.10 ppb
2018-11-26Q18476810032.50 ppb
2018-11-26Q18476810023.20 ppb
2018-11-26Q18476810012.50 ppb
2019-02-14Q19069770031.80 ppb
2019-02-14Q19069770011.60 ppb
2019-02-14Q19069770022.10 ppb
2019-02-14Q19069770041.60 ppb
2019-04-29Q1916965022ND
2019-04-29Q19169650171.30 ppb
2019-04-29Q1916965002ND
2019-04-29Q19169650212.30 ppb
2019-07-25Q19477190063.10 ppb
2019-07-25Q19477190053.60 ppb
2019-07-25Q19477190044.00 ppb
2019-07-25Q19477190033.60 ppb
2019-12-04Q1979068001ND
2019-12-04Q19790680041.60 ppb
2019-12-04Q19790680031.70 ppb
2019-12-04Q19790680021.000 ppb