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EWG's Tap Water Database — 2021 UPDATE

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Dichloroacetic acid

Fort Bend County Municipal Utility District 112

Dichloroacetic 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.

 

36

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND
20180.0688 ppb161ND - 1.10 ppb
20190.881 ppb163ND - 7.80 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.2 ppb

The EWG Health Guideline of 0.2 ppb for dichloroacetic 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.a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-03AC55796ND
2015-07-16AC99939ND
2016-09-13AD49175ND
2017-07-11AD88885ND
2018-02-05AE12166ND
2018-02-05AE12180ND
2018-02-05AE12169ND
2018-02-05AE12163ND
2018-04-10AE21880ND
2018-04-10AE21856ND
2018-04-10AE21871ND
2018-04-10AE21873ND
2018-08-14AE36847ND
2018-08-14AE368421.10 ppb
2018-08-14AE36849ND
2018-08-14AE36848ND
2018-10-01AE42215ND
2018-10-01AE42208ND
2018-10-01AE42213ND
2018-10-01AE42207ND
2019-01-23AE50925ND
2019-01-23AE509185.10 ppb
2019-01-23AE50917ND
2019-01-23AE50916ND
2019-04-08AE61332ND
2019-04-08AE61350ND
2019-04-08AE61357ND
2019-04-08AE613387.80 ppb
2019-07-08AE73420ND
2019-07-08AE73407ND
2019-07-08AE73405ND
2019-07-08AE73412ND
2019-10-09AE86116ND
2019-10-09AE86111ND
2019-10-09AE861151.20 ppb
2019-10-09AE86112ND