Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Bromide

Boston Water and Sewer Commission (MWRA)

Bromide is a naturally occurring element found in surface waters and groundwater. During drinking water treatment, bromide can combine with chlorine or other disinfectants, contributing to the formation of toxic tap water disinfection byproducts.

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201412.2 ppb24247.40 ppb - 14.2 ppb
201513.3 ppb24249.70 ppb - 15.9 ppb
201612.9 ppb222210.3 ppb - 15.1 ppb
201714.5 ppb2422ND - 23.6 ppb
201816.3 ppb242412.9 ppb - 18.9 ppb
201915.1 ppb2018ND - 21.9 ppb

ppb = parts per billion

All test results

Date Result