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National Drinking Water Database

Bromide in California

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 California

85 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
1Sweetwater Authority
Chula Vista, CA
177,63011 of 112082.74 ppb
(695.67 to 3974 ppb)
2Venture Estates Mwc
Hollister, CA
531 of 11300 ppb
(1300 ppb)
3Goleta Water Disrict
Goleta, CA
74,0001 of 1790 ppb
(790 ppb)
4Liberty Park Water Association
Huntington Beach, CA
1008 of 8763.75 ppb
(400 to 1300 ppb)
5Best Road Mwc
Hollister, CA
1722 of 2650 ppb
(500 to 800 ppb)
6Catalina Street Pump Owners
Santa Ana, CA
1302 of 2480 ppb
(470 to 490 ppb)
7Diamond Park Mutual Water Co.
Santa Ana, CA
2002 of 2460 ppb
(450 to 470 ppb)
8Sfpuc-Pleasanton Wells
Pleasanton, CA
4005 of 5439 ppb
(295 to 550 ppb)
9Castroville Community Services District
Castroville, CA
6,8002 of 2428.33 ppb
(356.67 to 500 ppb)
10Tasco Spreckels Water Company
Salinas, CA
6604 of 4420 ppb
(200 to 1000 ppb)

Health Based Limits for Bromide

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

Violation Summary for Bromide in California

There are no violations reported for this contaminant in California