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National Drinking Water Database

Bromide in Washington

Bromide is a naturally occurring element found in surface waters and groundwater and contributes to the formation of toxic tap water disinfection byproducts.

The Most Polluted Communities in Washington

5 water utilities reported detecting Bromide in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Bromide level

RankSystem Population Served Positive test results of total reported tests Average Level
1Shirona Water System
Oak Harbor, WA
2301 of 1180 ppb
(180 ppb)
2Beverly Beach Improvement Club
Langley, WA
531 of 143 ppb
(43 ppb)
3Dawnbreaker Water Association
Sammamish, WA
1531 of 115 ppb
(15 ppb)
4Maury Mutual Water Co
Burton, WA
2366 of 263.61 ppb
(0 to 44 ppb)
5Walla Walla Water Division
Walla Walla, WA
33,1963 of 350.6 ppb
(0 to 10 ppb)

Health Based Limits for Bromide

There are no health based standards that EWG is using for this chemical

Violation Summary for Bromide in Washington

There are no violations reported for this contaminant in Washington