Menu

EWG's Tap Water Database

Donate

Bromochloromethane

Status: No national drinking water standard exists

 

Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.

2010-2015:

FOUND

42

states detected

814

utilities detected

33 million

people served

Health concerns for bromochloromethane

Cancer

States reporting bromochloromethane in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
California11014,224,604
Texas2367,989,599
Arizona152,872,365
New Jersey191,197,477
Pennsylvania291,074,093
Oklahoma46843,594
Florida20802,723
Wisconsin25342,285
Nebraska6295,278
Nevada3293,300
New York26277,498
North Carolina22273,970
Illinois19271,669
Louisiana32256,094
Massachusetts10253,316
Kentucky7228,318
Alabama15220,350
Ohio60178,615
Iowa7178,439
Mississippi9177,446
Idaho2173,557
Kansas12160,315
West Virginia17147,795
South Carolina696,474
Virginia1692,750
Georgia974,187
Colorado1069,497
Utah362,000
Oregon144,192
Missouri232,263
Hawaii131,337
New Mexico219,050
Michigan117,593
District Of Columbia115,690
Indiana212,457
Washington26,672
Arkansas45,383
Connecticut15,030
New Hampshire23,750
Maine11,628
Delaware11,500
South Dakota1581
Minnesota191
MORE
LESS

Utilities with the highest amounts of bromochloromethane, 2010-2015

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Maysville Regional WaterWhite Cottage, OH7 of 724.6 ppb6,540
Corning, Village ofCorning, OH2 of 222.7 ppb583
CrooksvilleCrooksville, OH12 of 1214.2 ppb2,534
Licking County Harbor Hills Public Water SystemNewark, OH2 of 215.0 ppb938
New LexingtonNew Lexington, OH19 of 1912.8 ppb5,161
Thurston Village Public Water SystemThurston, OH3 of 312.4 ppb604
Glouster Public Water SystemGlouster, OH9 of 910.6 ppb1,791
Old Straitsville Water Association*Logan, OH11 of 119.64 ppb3,377
Jacksonville Village Public Water SystemJacksonville, OH11 of 119.44 ppb481
HogansvilleHogansville, GA10 of 1010.2 ppb3,728
Oakdale Water DistrictGlouster, OH9 of 99.78 ppb250
Portersville East Branch Water CompanyMalta, OH8 of 89.49 ppb2,250
Switzerland of Ohio WaterJerusalem, OH1 of 19.48 ppb2,500
Bethesda Public Water SystemBethesda, OH14 of 149.47 ppb1,362
Junction CityJunction City, OH27 of 278.11 ppb819
Northern Perry County water #2New Lexington, OH9 of 98.53 ppb1,196
Noble Water Company*Belle Valley, OH14 of 148.36 ppb830
Barrow County Boc Transmission Mains*Winder, GA8 of 88.15 ppb0
Trimble Village Public Water SystemTrimble, OH12 of 128.02 ppb480
Pure Water CorporationCaldwell, OH16 of 167.81 ppb1,989
Clear Water CorporationSarahsville, OH14 of 147.51 ppb3,024
Pure Water System 2 Public Water SystemCaldwell, OH16 of 167.38 ppb279
Southwest Licking Community WaterEtna, OH27 of 296.81 ppb12,088
Pointe A La Hache Water SystemBelle Chasse, LA1 of 76.98 ppb1,400
Pataskala CityPataskala, OH2 of 26.70 ppb9,100
Sugar Grove Village Public Water SystemSugar Grove, OH1 of 16.30 ppb426
Murray City Village Public Water SystemMurray City, OH1 of 16.30 ppb449
Noble County Water Authority Public Water SystemBelle Valley, OH16 of 166.29 ppb927
Caldwell Village Public Water System*Caldwell, OH17 of 176.19 ppb7,550
City of Wheeling*Wheeling, WV1 of 66.17 ppb29,899

* 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 Bromochloromethane, but it likely has the contaminant in its water supply.

MORE
LESS
UtilityLocationTestsAverage levelPeople served
Southwest Licking Community WaterEtna, OH27 of 296.81 ppb12,088
City of Wheeling*Wheeling, WV1 of 66.17 ppb29,899
Barrow County Water System*Winder, GA4 of 84.08 ppb13,260
Central Elmore Water Authority*Wetumpka, AL2 of 101.68 ppb32,877
Houma Water Treatment Service AreaHouma, LA1 of 131.33 ppb31,560
Attleboro Water Department*Attleboro, MA1 of 131.38 ppb43,593
Galveston County WCID 1*Dickinson, TX16 of 241.37 ppb29,280
Brockton Water Commission*Brockton, MA2 of 81.19 ppb93,810
West Baton Rouge Water Works District 2Port Allen, LA1 of 40.945 ppb13,437
Atlantic City Municipal Utilities Authority*Atlantic City, NJ6 of 440.618 ppb152,415
Charles Town UtilitiesKearneysville, WV1 of 40.503 ppb14,488
Lake MonticelloRockville, VA1 of 50.360 ppb11,320
Rochester City*Rochester, NY1 of 100.320 ppb223,205
Southbridge Water DepartmentSouthbridge, MA1 of 90.267 ppb17,302
West Palm Beach Water Treatment Plant*West Palm Beach, FL4 of 40.260 ppb102,000
Morgantown Utility Board*Morgantown, WV1 of 40.255 ppb57,134
Hudson Water SupplyHudson, MA2 of 320.253 ppb18,557
Lake Cities Municipal Utility Authority*Lake Dallas, TX8 of 130.233 ppb12,865
Chatham*Chatham, IL2 of 40.227 ppb10,260
City of CorinthCorinth, TX3 of 40.219 ppb19,935
Assumption Parish Waterworks District 1*Napoleonville, LA1 of 160.182 ppb22,862
Glens Falls CityGlens Falls, NY1 of 130.208 ppb14,000
City of Carlsbad*Carlsbad, CA4 of 40.190 ppb84,838
Ramona Municipal WDRamona, CA4 of 40.189 ppb40,000
City of Denison*Denison, TX1 of 170.176 ppb32,340
City of Port Lavaca*Port Lavaca, TX2 of 40.164 ppb12,248
Wells Branch MUD 1Austin, TX4 of 40.158 ppb21,129
City of Kingsville*Kingsville, TX4 of 310.149 ppb26,213
North Attleboro Water Department*North Attleborough, MA3 of 330.145 ppb28,712
Town of Flower Mound*Flower Mound, TX5 of 60.143 ppb68,609

* 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 Bromochloromethane, but it likely has the contaminant in its water supply.

MORE
LESS