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.

2017-2019:

FOUND

states detected

470

utilities detected

29 million

people served

States reporting bromide in drinking water

	UTILITIES WITH CONTAMINATION
State	Utilities	People Served
California		169	15,366,225
Massachusetts		54	2,523,097
Virginia		21	2,438,177
Nevada		10	1,617,418
New Jersey		9	1,153,192
Utah		21	916,126
North Carolina		4	803,770
Missouri		33	801,222
Connecticut		12	715,062
Minnesota		23	645,662
Delaware		3	509,471
Pennsylvania		11	423,079
North Dakota		51	232,267
Wisconsin		5	189,824
Kansas		20	183,651
New York		6	92,440
Washington		1	67,820
West Virginia		10	41,170
Mississippi		2	28,882
Maine		1	740
Montana		1	650
South Dakota		1	450
New Hampshire		1	215
Vermont		1	88

LESS

Filtering technologies that reduce bromide

Utilities with the highest amounts of bromide, 2017-2019

ALL UTILITIES

LARGE UTILITIES

Utility	Location	Tests	Average level	People served
Springfield Water Company	Watsonville, CA	1 of 1	3,900.0 ppb	200
Moody Point	North Hampton, NH	3 of 3	1,740.7 ppb	215
Csa No. 31 Stonegate Ws	Hollister, CA	1 of 1	1,600.0 ppb	252
Laguna Seca Water Company	Salinas, CA	2 of 2	1,300.0 ppb	162
Orange Lake Trailer Park	Montgomery, NY	1 of 1	789.0 ppb	80
Castroville Community Services District	Castroville, CA	9 of 9	766.7 ppb	7,100
St. Labre Indian School	Ashland, MT	4 of 4	625.0 ppb	650
Willow Park Marina	Oakley, CA	2 of 2	600.0 ppb	380
El Camino Water Company Inc.	Spreckels, CA	1 of 1	600.0 ppb	90
City of Soledad	Soledad, CA	11 of 12	583.3 ppb	16,729
Vaca Villa Apartments	Citrus Heights, CA	2 of 2	520.0 ppb	60
Whispering Pines Inn	Hollister, CA	3 of 3	466.7 ppb	40
Liberty Park Water Association	Huntington Beach, CA	2 of 2	450.0 ppb	64
Red Wing	Red Wing, MN	5 of 5	442.5 ppb	16,459
Carmel Riviera Mutual Water Company	Carmel, CA	6 of 6	433.3 ppb	350
California American Water Company - Monterey	Monterey, CA	15 of 15	406.7 ppb	96,754
Arroyo Grande,Water Department	Arroyo Grande, CA	1 of 1	400.0 ppb	17,064
Green Acres Wa	Castroville, CA	1 of 1	400.0 ppb	50
Calera Canyon Heights Homeowners Association	Salinas, CA	1 of 1	400.0 ppb	39
Langley/valle Pacifico Ws	Royal Oaks, CA	2 of 2	400.0 ppb	81
Mesa Del Toro Mutual Water Company	Salinas, CA	1 of 1	400.0 ppb	90
Anoka	Anoka, MN	3 of 3	377.1 ppb	18,000
Hollister Ranch Estates	Hollister, CA	4 of 4	375.0 ppb	150
Sfpuc-pleasanton Wells*	Burlingame, CA	17 of 18	364.4 ppb	1
Castlewood Domestic Water System	Pleasanton, CA	17 of 18	364.4 ppb	499
Cassadaga Village	Cassadaga, NY	1 of 1	360.0 ppb	760
Outlook Wa	Salinas, CA	2 of 2	350.0 ppb	45
Aromas Hills Mutual Water Association	Aromas, CA	2 of 2	350.0 ppb	44
Tierra Vista Mutual Water Company	Salinas, CA	4 of 4	350.0 ppb	57
City of Lemoore	Lemoore, CA	9 of 9	347.2 ppb	24,945
City of Mendota	Mendota, CA	3 of 3	333.3 ppb	11,104
Hendrum	Hendrum, MN	6 of 6	325.7 ppb	307
Mount Toro Ranchos Mwa	Salinas, CA	1 of 1	300.0 ppb	45
Berry Dr Ws #02	Spreckels, CA	1 of 1	300.0 ppb	30
Cachagua Mutual Ws (#4)	Carmel Valley, CA	1 of 1	300.0 ppb	55
Blackie Rd. Ws #18	King City, CA	1 of 1	300.0 ppb	60
Vaughn WC Inc	Bakersfield, CA	14 of 35	291.1 ppb	29,825
City of Tustin	Tustin, CA	25 of 31	260.0 ppb	69,100
Mesa Water District	Costa Mesa, CA	19 of 26	258.8 ppb	108,000
Vierra Meadows Mutual Water Company	Salinas, CA	2 of 2	250.0 ppb	75
Normco Water Company	Royal Oaks, CA	2 of 2	250.0 ppb	928
Woodland Heights Mutual Water Company	Salinas, CA	2 of 2	250.0 ppb	57
Valencia Water Company*	Valencia, CA	38 of 38	250.0 ppb	117,251
Sbcwd - Lessalt*	Hollister, CA	30 of 30	246.7 ppb	25
Aromas Water District	Aromas, CA	6 of 6	233.3 ppb	2,700
Vista Del Toro Ws	Salinas, CA	2 of 3	233.3 ppb	87
City of Livermore	Livermore, CA	255 of 264	225.1 ppb	27,000
Zone 7 Water Agency*	Livermore, CA	255 of 264	225.1 ppb	40
Dublin San Ramon Services District	Dublin, CA	255 of 264	225.1 ppb	75,924
Canada Woods Water Company	Carmel, CA	9 of 23	221.7 ppb	432

* 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.

Utility	Location	Tests	Average level	People served
City of Soledad	Soledad, CA	11 of 12	583.3 ppb	16,729
Red Wing	Red Wing, MN	5 of 5	442.5 ppb	16,459
California American Water Company - Monterey	Monterey, CA	15 of 15	406.7 ppb	96,754
Arroyo Grande,Water Department	Arroyo Grande, CA	1 of 1	400.0 ppb	17,064
Anoka	Anoka, MN	3 of 3	377.1 ppb	18,000
City of Lemoore	Lemoore, CA	9 of 9	347.2 ppb	24,945
City of Mendota	Mendota, CA	3 of 3	333.3 ppb	11,104
Vaughn WC Inc	Bakersfield, CA	14 of 35	291.1 ppb	29,825
City of Tustin	Tustin, CA	25 of 31	260.0 ppb	69,100
Mesa Water District	Costa Mesa, CA	19 of 26	258.8 ppb	108,000
Valencia Water Company*	Valencia, CA	38 of 38	250.0 ppb	117,251
City of Livermore	Livermore, CA	255 of 264	225.1 ppb	27,000
Dublin San Ramon Services District	Dublin, CA	255 of 264	225.1 ppb	75,924
Golden State Water Company (GSWC) - Southwest	Gardena, CA	12 of 12	219.2 ppb	271,677
Randall-bold Water Treatment Plant*	Oakley, Ca, CA	25 of 27	213.3 ppb	30,000
Golden State Water Company - Simi	Los Osos, CA	4 of 4	212.5 ppb	40,638
Golden State Water Company - Bay Point	Rancho Cordova, CA	1 of 1	200.0 ppb	22,258
Diablo Water District	Oakley, CA	31 of 32	192.2 ppb	36,014
Missouri American Warrensburg*	Warrensburg, MO	24 of 24	190.8 ppb	19,687
City of Huntington Beach	Huntington Beach, CA	21 of 32	182.8 ppb	201,000
Contra Costa Water District*	Concord, CA	22 of 25	168.0 ppb	198,000
Elsinore Valley Municipal Water District*	Lake Elsinore, CA	18 of 18	165.4 ppb	142,264
Yorba Linda Water District	Yorba Linda, CA	23 of 28	161.4 ppb	77,513
Sweetwater Authority*	Chula Vista, CA	21 of 33	160.8 ppb	186,685
Palmdale Water District*	Palmdale, CA	6 of 6	149.2 ppb	116,183
City of Anaheim	Anaheim, CA	40 of 47	144.9 ppb	450,000
City of Garden Grove	Garden Grove, CA	23 of 31	144.8 ppb	170,883
Soquel Creek Water District	Soquel, CA	84 of 96	138.8 ppb	37,720
City of Stockton	Lodi, CA	1 of 1	130.0 ppb	171,687
City of Newport Beach	Newport Beach, CA	6 of 8	118.8 ppb	64,465
City of Orange	Orange, CA	28 of 37	114.6 ppb	138,640
Golden State WC - Placentia	Anaheim, CA	11 of 18	110.6 ppb	36,374
Santa Fe ID*	Rancho Santa Fe, CA	22 of 22	102.3 ppb	21,081
San Dieguito WD	Encinitas, CA	22 of 22	102.3 ppb	36,750
Los Angeles Department of Water and Power*	Los Angeles, CA	208 of 219	102.1 ppb	3,935,257
City of Morgan Hill	Morgan Hill, CA	4 of 5	100.0 ppb	41,779
City of Fullerton	Fullerton, CA	17 of 23	98.3 ppb	138,251
City of Santa Ana	Santa Ana, CA	32 of 52	84.4 ppb	329,815
City of Fountain Valley	Fountain Valley, CA	16 of 28	83.2 ppb	56,464
Cambridge Water Department (MWRA)	Cambridge, MA	58 of 58	82.2 ppb	105,162
Cape Fear Public Utility Authority - Wilmington	Wilmington, NC	75 of 76	81.8 ppb	153,202
Saint Louis Park	St. Louis Park, MN	5 of 5	80.3 ppb	47,221
Golden State Water Company - West Orange	Anaheim, CA	16 of 31	74.5 ppb	114,016
Irvine Ranch Water District*	Irvine, CA	23 of 55	74.4 ppb	370,000
City of Santa Barbara Water Department*	Santa Barbara, CA	18 of 45	73.6 ppb	92,371
West Kern Water District	Taft, CA	1 of 7	67.1 ppb	21,181
City of Greenfield	Greenfield, CA	2 of 6	66.7 ppb	17,898
WA of Great Neck North	Great Neck, NY	113 of 154	65.7 ppb	31,400
City of Buena Park	Buena Park, CA	8 of 17	65.3 ppb	82,450
Chaska	Chaska, MN	1 of 1	63.0 ppb	26,016