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EWG's Tap Water Database — 2019 UPDATE

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Bromide

Status: No national drinking water standard exists

 

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.

2015-2017:

FOUND

24

states detected

524

utilities detected

30 million

people served

States reporting bromide in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
California18415,308,331
Massachusetts532,440,120
Virginia222,430,271
Nevada101,692,737
Washington241,398,116
New Jersey91,151,416
Utah19897,685
Missouri34814,216
North Carolina4689,024
Connecticut11681,865
New Mexico3602,238
Delaware3506,286
Pennsylvania11416,608
Minnesota76341,745
North Dakota28191,260
Wisconsin5189,824
Kansas16172,383
New York377,600
Mississippi228,789
West Virginia318,756
Indiana17,600
Maine1740
Montana1650
Vermont188
MORE
LESS

Filtering technologies that reduce bromide

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Activated Carbon

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Reverse Osmosis

Utilities with the highest amounts of bromide, 2015-2017

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Laguna Seca Water CompanySalinas, CA2 of 21,300.0 ppb162
Castroville Community Services DistrictCastroville, CA3 of 3666.7 ppb7,100
St. Labre Indian SchoolAshland, MT4 of 4625.0 ppb650
Whispering Pines InnHollister, CA1 of 1600.0 ppb40
Willow Park MarinaOakley, CA2 of 2600.0 ppb380
Vaca Villa ApartmentsCitrus Heights, CA1 of 1570.0 ppb60
City of SoledadSoledad, CA6 of 6500.0 ppb16,729
Hollister Ranch EstatesHollister, CA2 of 2450.0 ppb150
Red WingRed Wing, MN5 of 5442.5 ppb16,459
Vista Del Toro WsSalinas, CA1 of 1400.0 ppb87
Aromas Hills Mutual Water AssociationAromas, CA1 of 1400.0 ppb44
Calera Canyon Heights Homeowners AssociationSalinas, CA1 of 1400.0 ppb39
Mesa Del Toro Mutual Water CompanySalinas, CA1 of 1400.0 ppb90
Langley/valle Pacifico WsRoyal Oaks, CA1 of 1400.0 ppb81
Tierra Vista Mutual Water CompanySalinas, CA1 of 1400.0 ppb57
Sweetwater Authority*Chula Vista, CA27 of 35398.3 ppb186,685
City of LemooreLemoore, CA6 of 6395.0 ppb24,945
Sfpuc-pleasanton Wells*Burlingame, CA6 of 6379.7 ppb1
Castlewood Domestic Water SystemPleasanton, CA6 of 6379.7 ppb499
Liberty Park Water AssociationHuntington Beach, CA1 of 1370.0 ppb64
California American Water Company - MontereyMonterey, CA3 of 3360.0 ppb96,754
City of MendotaMendota, CA3 of 3333.3 ppb11,104
HendrumHendrum, MN2 of 2324.5 ppb307
Woodland Heights Mutual Water CompanySalinas, CA1 of 1300.0 ppb57
Creekbridge Mutual Water CompanyHollister, CA1 of 1300.0 ppb65
Blackie Rd. Ws #18King City, CA1 of 1300.0 ppb60
Berry Dr Ws #02Spreckels, CA1 of 1300.0 ppb30
Mount Toro Ranchos MwaSalinas, CA1 of 1300.0 ppb45
Normco Water CompanyRoyal Oaks, CA1 of 1300.0 ppb928
Vaughn WC IncBakersfield, CA7 of 18298.3 ppb29,825
Contra Costa Water District/ Brentwood Water Treatment Plant*Concord, CA8 of 9266.7 ppb1
Valencia Water Company*Valencia, CA19 of 19263.2 ppb117,251
City of TustinTustin, CA17 of 23253.5 ppb69,100
Vierra Meadows Mutual Water CompanySalinas, CA2 of 2250.0 ppb75
Sbcwd - Lessalt*Hollister, CA5 of 5244.0 ppb25
Aromas Water DistrictAromas, CA6 of 6233.3 ppb2,700
Big Stone HutteriteGraceville, MN2 of 2220.0 ppb75
East Orange County Water District - RzOrange, CA2 of 2220.0 ppb3,000
Golden State Water Company (GSWC) - SouthwestGardena, CA12 of 12219.2 ppb271,677
City of LivermoreLivermore, CA112 of 118204.7 ppb27,000
Zone 7 Water Agency*Livermore, CA112 of 118204.7 ppb40
Dublin San Ramon Services DistrictDublin, CA112 of 118204.7 ppb75,924
City of Huntington BeachHuntington Beach, CA14 of 20203.0 ppb201,000
Knightsen Community Water SystemOakley, CA1 of 1200.0 ppb250
Pajaro Community Services DistrictRoyal Oaks, CA1 of 1200.0 ppb6,500
Seaside Municipal Water SystemSeaside, CA3 of 3200.0 ppb2,800
City of Morgan HillMorgan Hill, CA1 of 1200.0 ppb41,779
Los Madrones Mutual Water CompanySan Juan Bautista, CA1 of 1200.0 ppb40
Moss Landing Harbor WsRoyal Oaks, CA2 of 2200.0 ppb402
Riverside Rv ParkLos Gatos, CA1 of 1200.0 ppb500

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Bromide, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
City of SoledadSoledad, CA6 of 6500.0 ppb16,729
Red WingRed Wing, MN5 of 5442.5 ppb16,459
Sweetwater Authority*Chula Vista, CA27 of 35398.3 ppb186,685
City of LemooreLemoore, CA6 of 6395.0 ppb24,945
California American Water Company - MontereyMonterey, CA3 of 3360.0 ppb96,754
City of MendotaMendota, CA3 of 3333.3 ppb11,104
Vaughn WC IncBakersfield, CA7 of 18298.3 ppb29,825
Valencia Water Company*Valencia, CA19 of 19263.2 ppb117,251
City of TustinTustin, CA17 of 23253.5 ppb69,100
Golden State Water Company (GSWC) - SouthwestGardena, CA12 of 12219.2 ppb271,677
Dublin San Ramon Services DistrictDublin, CA112 of 118204.7 ppb75,924
City of LivermoreLivermore, CA112 of 118204.7 ppb27,000
City of Huntington BeachHuntington Beach, CA14 of 20203.0 ppb201,000
City of Morgan HillMorgan Hill, CA1 of 1200.0 ppb41,779
Mesa Water DistrictCosta Mesa, CA12 of 18198.9 ppb108,000
Contra Costa Water District*Concord, CA11 of 11190.9 ppb198,000
Missouri American Warrensburg*Joplin, MO12 of 12190.8 ppb19,687
Randall-bold Water Treatment Plant*Oakley, Ca, CA12 of 13173.8 ppb30,000
Diablo Water DistrictOakley, CA16 of 17164.1 ppb36,014
Yorba Linda Water DistrictYorba Linda, CA12 of 15160.0 ppb77,513
City of Garden GroveGarden Grove, CA10 of 14158.6 ppb170,883
Soquel Creek Water DistrictSoquel, CA45 of 49156.5 ppb37,720
City of AnaheimAnaheim, CA20 of 24141.3 ppb450,000
Los Angeles Department of Water and Power*Los Angeles, CA95 of 99141.2 ppb3,935,257
Irvine Ranch Water District*Irvine, CA22 of 44135.0 ppb370,000
City of OrangeOrange, CA18 of 21133.3 ppb138,640
City of FullertonFullerton, CA14 of 14132.1 ppb138,251
City of Newport BeachNewport Beach, CA6 of 8118.8 ppb64,465
Golden State WC - PlacentiaAnaheim, CA6 of 10112.0 ppb36,374
Cape Fear Public Utility Authority - WilmingtonWilmington, NC36 of 37100.4 ppb128,800
City of GreenfieldGreenfield, CA1 of 3100.0 ppb17,898
Golden State Water Company - West OrangeAnaheim, CA10 of 1698.8 ppb114,016
Santa Fe ID*Rancho Santa Fe, CA10 of 1094.3 ppb21,081
San Dieguito WDEncinitas, CA10 of 1094.3 ppb36,750
City of Fountain ValleyFountain Valley, CA8 of 1393.1 ppb56,464
City of Santa AnaSanta Ana, CA15 of 2388.3 ppb329,815
Cambridge Water Department (MWRA)Cambridge, MA35 of 3582.9 ppb105,162
Moundsville*Moundsville, WV26 of 2770.0 ppb11,999
WA of Great Neck NorthGreat Neck, NY83 of 11168.4 ppb31,400
West Kern Water DistrictTaft, CA1 of 767.1 ppb21,181
City of Fargo*Fargo, ND35 of 3662.1 ppb120,762
City of West FargoWest Fargo, ND35 of 3662.1 ppb34,858
Saddle Brook Water DepartmentSaddle Brook Twp, NJ33 of 3359.4 ppb13,155
United Water NJ*Haworth, NJ33 of 3359.4 ppb792,713
Andover Water Department*Andover, MA34 of 3454.9 ppb33,201
Sauk RapidsSauk Rapids, MN6 of 652.1 ppb13,083
City of Emporia*Emporia, KS9 of 952.0 ppb24,799
Moorhead*Moorhead, MN13 of 1351.8 ppb40,000
Brainerd*Brainerd, MN6 of 651.2 ppb13,590
Manhasset Lakeville WD*Great Neck, NY4 of 645.8 ppb44,600

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Bromide, but it likely has the contaminant in its water supply.