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EWG's Tap Water Database — 2021 UPDATE

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1-Butanol

Status: No national drinking water standard exists

 

1-butanol is an industrial petrochemical used in the production of butyl acetate. Exposure to 1-butanol can harm the nervous system, liver and kidneys.

2018-2021:

FOUND

39

states detected

380

utilities detected

14 million

people served

States reporting 1-butanol in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Pennsylvania81,805,950
California231,606,183
Ohio481,081,144
Texas511,008,337
Florida14904,968
Georgia7904,319
New Mexico5695,688
Hawaii2631,437
Louisiana10624,950
Colorado9590,320
New York5555,291
Utah7501,242
Kentucky32409,169
New Jersey11403,849
Wisconsin8319,477
Tennessee4270,183
Alaska5223,262
Illinois5183,990
Massachusetts7182,478
Arizona7151,468
Washington3141,459
North Carolina8113,754
South Dakota42102,768
Mississippi484,266
Iowa1283,593
Michigan482,969
Minnesota472,155
South Carolina461,006
Rhode Island251,220
Connecticut251,128
Arkansas449,519
West Virginia543,305
Alabama536,084
Nebraska535,954
North Dakota435,402
Nevada120,451
Virginia117,411
Indiana113,300
Missouri18,738
MORE
LESS

Filtering technologies that reduce 1-butanol

Activated Carbon

Reverse Osmosis

Utilities with the highest amounts of 1-butanol, 2018-2021

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Coshocton PWSCoshocton, OH1 of 217.1 ppb11,204
American Fork City*American Fork, UT3 of 1215.2 ppb30,437
Valley Grove Water DepartmentValley Grove, WV2 of 47.94 ppb686
Ohio County Psd*Triadelphia, WV2 of 47.94 ppb8,838
BethlehemBethlehem, WV2 of 47.94 ppb2,667
City of Wheeling*Wheeling, WV2 of 47.94 ppb29,899
Triadelphia Water DepartmentTriadelphia, WV2 of 47.94 ppb1,215
Buenaventura LakesKissimmee, FL1 of 26.90 ppb16,569
Greater Pine Island Water AssociationSt James City, FL1 of 25.70 ppb15,849
Acton MUD*Granbury, TX2 of 215.58 ppb19,125
Hardin County Water District #2Elizabethtown, KY8 of 125.37 ppb76,326
FridleyFridley, MN1 of 54.76 ppb27,853
Wakeman Village Public Water SystemWakeman, OH11 of 164.75 ppb1,047
Northern Ohio Rural Water*Collins, OH11 of 164.75 ppb17,080
Erie County Vermilion DistrictSandusky, OH11 of 164.75 ppb1,468
City of West FargoWest Fargo, ND1 of 44.57 ppb34,858
Elyria Water Department*Lorain, OH2 of 44.51 ppb68,000
Vine Grove Water DepartmentVine Grove, KY4 of 44.50 ppb6,703
City Of West PointRadcliff, KY4 of 44.50 ppb975
Hardin County Water District #1*Radcliff, KY4 of 44.50 ppb27,033
City of JasperJasper, TX2 of 84.40 ppb11,825
SherburnSherburn, MN1 of 24.39 ppb1,058
Miamisburg City PWSMiamisburg, OH2 of 24.35 ppb20,000
Garfield Charter TownshipFairview, MI2 of 44.24 ppb12,899
Iowa City Water DepartmentIowa City, IA1 of 43.75 ppb63,265
North Ridgeville City PWSNorth Ridgeville, OH3 of 83.54 ppb29,465
Ainsworth Water WorksAinsworth, IA1 of 22.95 ppb567
Erie County Vermilion Water DistrictSandusky, OH3 of 42.63 ppb88
Vermilion City*Vermiliion, OH3 of 42.63 ppb10,594
Albany Water Works*Albany, KY2 of 42.60 ppb14,702
Highway 1148 Water SystemPlaquemine, LA1 of 42.58 ppb1,086
City of Plaquemine Water System*Plaquemine, LA1 of 42.58 ppb14,043
Hofheins/marcel Thomas Association Co-op Inc.Albuquerque, NM1 of 22.55 ppb70
Arlington Water Department (MWRA)Arlington, MA1 of 42.49 ppb42,844
Fremont CityFremont, OH2 of 42.33 ppb16,677
Clarksville Water Department*Clarksville, TN1 of 42.06 ppb215,421
Belle Vernon Borough Municipal AuthorityBelle Vernon, PA2 of 82.05 ppb6,000
Municipal Authority of Westmoreland County - Yough Plant*Greensburg, PA2 of 82.05 ppb140,000
Swampscott Water Department (MWRA)Swampscott, MA1 of 42.04 ppb13,787
Bullock Pen Water DistrictCrittenden, KY1 of 41.97 ppb20,048
City of BellmeadBellmead, TX2 of 81.96 ppb10,052
City of Pilot PointPilot Point, TX3 of 121.89 ppb5,047
Marco Island Utilities*Marco Island, FL2 of 81.89 ppb27,470
Goodland Water CompanyGoodland, FL2 of 81.89 ppb805
Graves Co. Water District - ConsumersMayfield, KY1 of 21.83 ppb4,689
Mayfield Electric & Water*Mayfield, KY1 of 21.83 ppb10,024
Graves Co. Water District - HardemanMayfield, KY1 of 21.83 ppb1,129
Avon City PWSAvon, OH2 of 31.77 ppb23,000
Randolph Water Department*Randolph, MA1 of 41.76 ppb33,375
Circleville City PWSCircleville, OH1 of 21.75 ppb13,444

* 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 1-Butanol , but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Coshocton PWSCoshocton, OH1 of 217.1 ppb11,204
American Fork City*American Fork, UT3 of 1215.2 ppb30,437
City of Wheeling*Wheeling, WV2 of 47.94 ppb29,899
Buenaventura LakesKissimmee, FL1 of 26.90 ppb16,569
Greater Pine Island Water AssociationSt James City, FL1 of 25.70 ppb15,849
Acton MUD*Granbury, TX2 of 215.58 ppb19,125
Hardin County Water District #2Elizabethtown, KY8 of 125.37 ppb76,326
FridleyFridley, MN1 of 54.76 ppb27,853
Northern Ohio Rural Water*Collins, OH11 of 164.75 ppb17,080
City of West FargoWest Fargo, ND1 of 44.57 ppb34,858
Elyria Water Department*Lorain, OH2 of 44.51 ppb68,000
Hardin County Water District #1*Radcliff, KY4 of 44.50 ppb27,033
City of JasperJasper, TX2 of 84.40 ppb11,825
Miamisburg City PWSMiamisburg, OH2 of 24.35 ppb20,000
Garfield Charter TownshipFairview, MI2 of 44.24 ppb12,899
Iowa City Water DepartmentIowa City, IA1 of 43.75 ppb63,265
North Ridgeville City PWSNorth Ridgeville, OH3 of 83.54 ppb29,465
Vermilion City*Vermiliion, OH3 of 42.63 ppb10,594
Albany Water Works*Albany, KY2 of 42.60 ppb14,702
City of Plaquemine Water System*Plaquemine, LA1 of 42.58 ppb14,043
Arlington Water Department (MWRA)Arlington, MA1 of 42.49 ppb42,844
Fremont CityFremont, OH2 of 42.33 ppb16,677
Clarksville Water Department*Clarksville, TN1 of 42.06 ppb215,421
Municipal Authority of Westmoreland County - Yough Plant*Greensburg, PA2 of 82.05 ppb140,000
Swampscott Water Department (MWRA)Swampscott, MA1 of 42.04 ppb13,787
Bullock Pen Water DistrictCrittenden, KY1 of 41.97 ppb20,048
City of BellmeadBellmead, TX2 of 81.96 ppb10,052
Marco Island Utilities*Marco Island, FL2 of 81.89 ppb27,470
Mayfield Electric & Water*Mayfield, KY1 of 21.83 ppb10,024
Avon City PWSAvon, OH2 of 31.77 ppb23,000
Randolph Water Department*Randolph, MA1 of 41.76 ppb33,375
Circleville City PWSCircleville, OH1 of 21.75 ppb13,444
Hanover ParkHanover Park, IL1 of 31.60 ppb37,973
Fitchburg Utility District 1Fitchburg, WI2 of 81.58 ppb15,000
Caryville-Jacksboro UtilitiesJacksboro, TN1 of 71.57 ppb11,902
Orange County WCID 1Vidor, TX1 of 51.54 ppb16,448
Niles City PWS*Niles, OH2 of 41.50 ppb20,684
Aqua Ohio - TiffinTiffin, OH1 of 41.49 ppb17,963
Belmont Water Department (MWRA)Belmont, MA1 of 41.49 ppb24,254
Western Pulaski County Water DistrictSomerset, KY4 of 161.47 ppb23,264
Community WC of Green ValleyGreen Valley, AZ2 of 81.44 ppb22,500
Caddo Basin SUDGreenville, TX1 of 61.43 ppb13,335
Reading Water DepartmentReading, MA1 of 41.43 ppb27,045
Latrobe Municipal Authority*Latrobe, PA1 of 41.42 ppb30,000
Guntersville Water Works and Sewer Board*Guntersville, AL1 of 101.39 ppb12,612
Southern Water & Sewer District*Mcdowell, KY2 of 81.34 ppb22,480
Alliance City PWSAlliance, OH2 of 41.28 ppb22,232
Web Water Development Association*Aberdeen, SD1 of 41.24 ppb14,000
Green River Valley Water District*Horse Cave, KY1 of 41.21 ppb17,431
Pequannock Twp Water Department*Pompton Plains, NJ1 of 41.21 ppb14,010

* 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 1-Butanol , but it likely has the contaminant in its water supply.