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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Gatesville

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

 

67

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND70ND
20153.04 ppb168ND - 12.4 ppb
2016ND80ND
20171.53 ppb82ND - 8.10 ppb
20180.667 ppb122ND - 4.50 ppb
20192.15 ppb163ND - 15.0 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
2014-03-17AC47118ND
2014-03-17AC47120ND
2014-06-30AC58455ND
2014-06-30AC58458ND
2014-09-10AC66522ND
2014-09-10AC66538ND
2014-11-24AC72738ND
2015-03-04AC82694ND
2015-03-04AC82692ND
2015-03-04AC82698ND
2015-03-04AC82697ND
2015-06-18AC96609ND
2015-06-18AC966024.10 ppb
2015-06-18AC966053.00 ppb
2015-06-18AC966012.00 ppb
2015-08-24AD04965ND
2015-08-24AD0497012.4 ppb
2015-08-24AD049697.40 ppb
2015-08-24AD049649.20 ppb
2015-10-08AD09996ND
2015-10-08AD09998ND
2015-12-15AD169034.90 ppb
2015-12-15AD169025.60 ppb
2016-01-21AD19245ND
2016-01-21AD19243ND
2016-04-12AD32747ND
2016-04-12AD32752ND
2016-09-12AD48775ND
2016-09-12AD48779ND
2016-11-15AD58017ND
2016-11-15AD58011ND
2017-03-07AD736938.10 ppb
2017-03-07AD736974.10 ppb
2017-05-08AD83039ND
2017-05-08AD83037ND
2017-08-03AD91976ND
2017-08-03AD91971ND
2017-10-26AE02388ND
2017-10-26AE02389ND
2018-01-25AE10497ND
2018-01-25AE10493ND
2018-05-10AE25880ND
2018-05-10AE25876ND
2018-08-16AE37343ND
2018-08-16AE373373.50 ppb
2018-08-16AE373384.50 ppb
2018-08-16AE37339ND
2018-11-20AE46585ND
2018-11-20AE46587ND
2018-11-20AE46583ND
2018-11-20AE46584ND
2019-03-06AE5735015.0 ppb
2019-03-06AE573525.00 ppb
2019-03-06AE5733614.4 ppb
2019-03-06AE57346ND
2019-04-03AE60994ND
2019-04-03AE60996ND
2019-04-03AE60991ND
2019-04-03AE61012ND
2019-07-08AE73391ND
2019-07-08AE73394ND
2019-07-08AE73388ND
2019-07-08AE73392ND
2019-10-07AE85766ND
2019-10-07AE85767ND
2019-10-07AE85773ND
2019-10-07AE85769ND