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EWG's Tap Water Database — 2019 UPDATE

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Dichloroacetic acid

Brigham City Water System

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.300 ppb41ND - 1.20 ppb
2013ND40ND
2014ND20ND
2015ND30ND
2016ND30ND
2017ND20ND

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 Result
2012-07-23ND
2012-07-23ND
2012-07-23ND
2012-07-231.20 ppb
2013-08-14ND
2013-08-14ND
2013-08-14ND
2013-08-14ND
2014-07-10ND
2014-07-10ND
2015-03-23ND
2015-10-21ND
2015-10-21ND
2016-03-23ND
2016-08-17ND
2016-08-17ND
2017-09-13ND
2017-09-13ND