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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Town of Hempstead Water Department

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND120ND
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
2018-03-057044393001ND
2018-03-067044484001ND
2018-03-067044530001ND
2018-06-047053537001ND
2018-06-057053730001ND
2018-06-057053647001ND
2018-09-057063716001ND
2018-09-057063712001ND
2018-09-057063719001ND
2018-12-047072784001ND
2018-12-047072750001ND
2018-12-067073160001ND