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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Terrell

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

 

93

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.915 ppb134ND - 3.10 ppb
20151.36 ppb164ND - 5.60 ppb
2016ND160ND
20172.19 ppb164ND - 9.30 ppb
20181.80 ppb1612ND - 3.40 ppb
20191.59 ppb1612ND - 2.50 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
2014-02-12Q1404475001ND
2014-06-27Q1424752004ND
2014-06-27Q1424752003ND
2014-06-27Q1424752002ND
2014-06-27Q1424752001ND
2014-08-22Q1439086004ND
2014-08-22Q1439086003ND
2014-08-22Q1439086002ND
2014-08-22Q1439086001ND
2014-11-10Q14552850033.10 ppb
2014-11-10Q14552850023.00 ppb
2014-11-10Q14552850043.10 ppb
2014-11-10Q14552850052.70 ppb
2015-02-11Q1505692004ND
2015-02-11Q1505692003ND
2015-02-11Q1505692002ND
2015-02-11Q1505692001ND
2015-05-28Q15196490035.30 ppb
2015-05-28Q15196490025.60 ppb
2015-05-28Q15196490015.20 ppb
2015-05-28Q15196490045.60 ppb
2015-09-28Q1538056003ND
2015-09-28Q1538056001ND
2015-09-28Q1538056002ND
2015-09-28Q1538056004ND
2015-11-10Q1544443004ND
2015-11-10Q1544443003ND
2015-11-10Q1544443002ND
2015-11-10Q1544443001ND
2016-02-09Q1605614004ND
2016-02-09Q1605614003ND
2016-02-09Q1605614002ND
2016-02-09Q1605614001ND
2016-05-11Q1618812003ND
2016-05-11Q1618812001ND
2016-05-11Q1618812002ND
2016-05-11Q1618812004ND
2016-07-27Q1630600004ND
2016-07-27Q1630600003ND
2016-07-27Q1630600002ND
2016-07-27Q1630600001ND
2016-10-17Q1643893004ND
2016-10-17Q1643893003ND
2016-10-17Q1643893002ND
2016-10-17Q1643893001ND
2017-01-18Q1702351003ND
2017-01-18Q1702351004ND
2017-01-18Q1702351002ND
2017-01-18Q1702351001ND
2017-04-24Q17165300038.60 ppb
2017-04-24Q17165300029.20 ppb
2017-04-24Q17165300018.00 ppb
2017-04-24Q17165300049.30 ppb
2017-07-19Q1729744004ND
2017-07-19Q1729744002ND
2017-07-19Q1729744003ND
2017-07-19Q1729744001ND
2017-10-16Q1753105002ND
2017-10-16Q1753105003ND
2017-10-16Q1753105004ND
2017-10-16Q1753105005ND
2018-01-04Q1800389004ND
2018-01-04Q1800389003ND
2018-01-04Q1800389002ND
2018-01-04Q1800389001ND
2018-05-31Q18218280032.00 ppb
2018-05-31Q18218280052.00 ppb
2018-05-31Q18218280022.00 ppb
2018-05-31Q18218280042.30 ppb
2018-08-28Q18344310022.20 ppb
2018-08-28Q18344310032.10 ppb
2018-08-28Q18344310012.20 ppb
2018-08-28Q18344310042.00 ppb
2018-11-27Q18479910013.40 ppb
2018-11-27Q18479910042.70 ppb
2018-11-27Q18479910033.00 ppb
2018-11-27Q18479910022.90 ppb
2019-01-22Q19032090012.20 ppb
2019-01-22Q19032090022.00 ppb
2019-01-22Q19032090032.10 ppb
2019-01-22Q19032090042.10 ppb
2019-04-25Q19167520032.30 ppb
2019-04-25Q19167520051.80 ppb
2019-04-25Q19167520022.00 ppb
2019-04-25Q19167520041.90 ppb
2019-07-29Q19493950042.50 ppb
2019-07-29Q19493950032.10 ppb
2019-07-29Q19493950022.30 ppb
2019-07-29Q19493950012.20 ppb
2019-10-15Q1972653002ND
2019-10-15Q1972653003ND
2019-10-15Q1972653004ND
2019-10-15Q1972653001ND