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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Silver Lake Institute - Castile Water District #1

Dibromoacetic 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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND30ND
2017ND40ND
2018ND30ND
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.04 ppb

The EWG Health Guideline of 0.04 ppb for dibromoacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-3114P017571ND
2014-11-20S4K1661HAAND
2015-08-06S5H0678HAAND
2015-11-05S5K062903HAA5ND
2016-02-04S6B033002HAAND
2016-08-11S6H054102HAAND
2016-11-10J6K072002HAAND
2017-02-02J7B039302HAAND
2017-05-04J7E051702HAAND
2017-08-10J7H1103-01ND
2017-11-02J7K048702HAA5ND
2018-02-15J8B099002HAA5ND
2018-05-03J8E034701HAA5ND
2018-08-02R1807257001ND