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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Hurst

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
2013N/A00N/A
20141.88 ppb169ND - 4.60 ppb
20153.34 ppb1613ND - 5.40 ppb
2016ND160ND
2017ND160ND
20181.13 ppb1611ND - 2.30 ppb
20191.06 ppb1610ND - 3.10 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
2014-02-25Q14063670044.30 ppb
2014-02-25Q14063670034.20 ppb
2014-02-25Q14063670023.90 ppb
2014-02-25Q14063670014.60 ppb
2014-04-10Q14115260182.80 ppb
2014-04-10Q14115260172.60 ppb
2014-04-10Q14115260162.40 ppb
2014-04-10Q14115260152.90 ppb
2014-07-08Q1426170002ND
2014-07-08Q1426170001ND
2014-07-08Q1426170003ND
2014-07-08Q1426170004ND
2014-10-14Q14527230012.30 ppb
2014-10-14Q1452723004ND
2014-10-14Q1452723003ND
2014-10-14Q1452723002ND
2015-01-29Q15036480042.80 ppb
2015-01-29Q1503648003ND
2015-01-29Q15036480022.80 ppb
2015-01-29Q15036480012.00 ppb
2015-04-09Q15133220144.70 ppb
2015-04-09Q15133220154.70 ppb
2015-04-09Q15133220175.40 ppb
2015-04-09Q15133220164.90 ppb
2015-07-13Q1526640004ND
2015-07-13Q15266400034.40 ppb
2015-07-13Q1526640002ND
2015-07-13Q15266400014.00 ppb
2015-10-05Q15388040044.30 ppb
2015-10-05Q15388040034.40 ppb
2015-10-05Q15388040024.70 ppb
2015-10-05Q15388040014.30 ppb
2016-01-12Q1601025004ND
2016-01-12Q1601025003ND
2016-01-12Q1601025001ND
2016-01-12Q1601025002ND
2016-04-05Q1613372004ND
2016-04-05Q1613372003ND
2016-04-05Q1613372002ND
2016-04-05Q1613372001ND
2016-07-11Q1627746020ND
2016-07-11Q1627746019ND
2016-07-11Q1627746018ND
2016-07-11Q1627746017ND
2016-10-06Q1642446001ND
2016-10-06Q1642446004ND
2016-10-06Q1642446003ND
2016-10-06Q1642446002ND
2017-01-04Q1700326025ND
2017-01-04Q1700326010ND
2017-01-04Q1700326024ND
2017-01-04Q1700326009ND
2017-04-05Q1714105004ND
2017-04-05Q1714105003ND
2017-04-05Q1714105002ND
2017-04-05Q1714105001ND
2017-07-12Q1728561002ND
2017-07-12Q1728561001ND
2017-07-12Q1728561003ND
2017-07-12Q1728561004ND
2017-10-09Q1749386004ND
2017-10-09Q1749386003ND
2017-10-09Q1749386002ND
2017-10-09Q1749386001ND
2018-01-30Q1803803002ND
2018-01-30Q1803803004ND
2018-01-30Q1803803001ND
2018-01-30Q1803803003ND
2018-05-15Q18197140021.90 ppb
2018-05-15Q18197140031.70 ppb
2018-05-15Q18197140041.70 ppb
2018-05-15Q18197140011.70 ppb
2018-07-10Q18269560121.000 ppb
2018-07-10Q18269560111.30 ppb
2018-07-10Q1826956010ND
2018-07-10Q18269560091.50 ppb
2018-10-02Q18393270082.30 ppb
2018-10-02Q18393270061.50 ppb
2018-10-02Q18393270011.50 ppb
2018-10-02Q18393270071.90 ppb
2019-01-16Q19022660132.00 ppb
2019-01-16Q19022660123.10 ppb
2019-01-16Q19022660142.20 ppb
2019-01-16Q19022660152.30 ppb
2019-04-17Q19153590091.10 ppb
2019-04-17Q1915359008ND
2019-04-17Q1915359003ND
2019-04-17Q19153590071.50 ppb
2019-07-16Q19452500041.20 ppb
2019-07-16Q19452500031.20 ppb
2019-07-16Q19452500021.20 ppb
2019-07-16Q19452500011.10 ppb
2019-10-15Q1972837001ND
2019-10-15Q1972837004ND
2019-10-15Q1972837003ND
2019-10-15Q1972837002ND