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EWG's Tap Water Database — 2019 UPDATE

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n-Propylbenzene

Status: No national drinking water standard exists

 

n-Propylbenzene is a constituent of petroleum and coal, used for chemical manufacturing and in textile dyeing and printing.

2015-2017:

FOUND

19

states detected

46

utilities detected

201,000

people served

Health concerns for n-propylbenzene

Harm to the central nervous system

Eye and skin irritation

States reporting n-propylbenzene in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Texas1365,668
Connecticut137,267
Washington118,790
Georgia316,833
Missouri610,898
Maryland29,225
Arizona17,000
Wisconsin46,940
Ohio16,400
Iowa56,371
Tennessee16,236
California13,001
Arkansas11,840
Nevada11,718
Minnesota11,250
Virginia11,240
New York1600
South Carolina1100
Vermont184
MORE
LESS

Filtering technologies that reduce n-propylbenzene

carbon filter icon

Activated Carbon

reverse osmosis icon

Reverse Osmosis

Utilities with the highest amounts of n-propylbenzene, 2015-2017

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Central Garage Water SystemKing William, VA1 of 11.20 ppb1,240
Hudson Water SupplyHudson, IA4 of 41.13 ppb2,282
Panora Water WorksPanora, IA2 of 20.900 ppb1,272
Wayland Water SupplyWayland, IA1 of 10.800 ppb966
City of Mount CalmMount Calm, TX1 of 30.733 ppb447
FairleeChestertown, MD1 of 20.700 ppb725
Ainsworth Water WorksAinsworth, IA1 of 10.600 ppb567
Roland Water SupplyRoland, IA1 of 10.600 ppb1,284
Peace of Mind EstatesSpringfield, MO1 of 10.520 ppb60
Chesapeake Ranch EstatesLusby, MD1 of 10.510 ppb8,500
Deer Butte SubdivisionAustin, TX2 of 40.448 ppb213
Oaklawn AcademyEdgerton, WI1 of 10.370 ppb320
City of WeinertWeinert, TX1 of 30.287 ppb208
Mountain Falls Water System UicnPahrump, NV1 of 20.280 ppb1,718
Waterville Fire District 1Waterville, VT2 of 430.262 ppb84
Ellsworth WaterworksEllsworth, WI1 of 10.260 ppb3,304
Verona Special Utility DistrictBlue Ridge, TX1 of 90.257 ppb2,634
Shawano Co. UtilityShawano, WI3 of 30.257 ppb100
Butterfield PWSCassville, MO1 of 20.255 ppb470
Cape Girardeau County Public Water Supply District 4Gordonville, MO1 of 20.255 ppb1,575
City Of Nevada CityNevada City, CA1 of 20.255 ppb3,001
Duval County Crd BenavidesBenavides, TX1 of 80.188 ppb1,362
RoyaltonRoyalton, MN1 of 50.140 ppb1,250
Glendale Water Supply CorporationTrinity, TX1 of 100.138 ppb1,154
City of Panorama VillagePanorama Village, TX1 of 80.125 ppb2,333
City of CleburneCleburne, TX1 of 240.120 ppb30,573
Brodhead WaterworksBrodhead, WI1 of 50.0920 ppb3,216
Woodridge Municipal Utility DistrictHouston, TX1 of 200.0900 ppb840
Valley Ranch Municipal Utility District 1Houston, TX1 of 200.0900 ppb2,895
Porter SUD*Porter, TX1 of 200.0900 ppb15,892
West Sound Utility District #1Port Orchard, WA3 of 210.0857 ppb18,790
Twiggs County- General Twiggs DriveJeffersonville, GA1 of 100.0790 ppb34
Cws Pollys CircleColumbia, SC1 of 70.0714 ppb100
BrownvilleDexter, NY1 of 10.0600 ppb600
Calico Rock WaterworksCalico Rock, AR1 of 190.0421 ppb1,840
Larchmont UtilitiesSavannah, GA1 of 220.0391 ppb11,799
City of Pilot PointPilot Point, TX1 of 220.0368 ppb5,047
Wallingford Water DepartmentWallingford, CT1 of 170.0294 ppb37,267
Glen of Robin HoodSavannah, GA2 of 130.0265 ppb5,000
Milford City Public Water SystemMilford, OH1 of 190.0263 ppb6,400
Avra Water Co-op Inc.Tucson, AZ1 of 20.0216 ppb7,000
Frognot Water Supply CorporationBlue Ridge, TX2 of 130.0178 ppb2,070
Roane Central Utility DistrictHarriman, TN1 of 30.0117 ppb6,236
Laf/jo/saline County Consolidated Public Water Supply District 2*Higginsville, MO1 of 80.00663 ppb6,365
Sweet Springs PWS*Sweet Springs, MO1 of 80.00663 ppb1,428

* 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 n-Propylbenzene, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
City of CleburneCleburne, TX1 of 240.120 ppb30,573
Porter SUD*Porter, TX1 of 200.0900 ppb15,892
West Sound Utility District #1Port Orchard, WA3 of 210.0857 ppb18,790
Larchmont UtilitiesSavannah, GA1 of 220.0391 ppb11,799
Wallingford Water DepartmentWallingford, CT1 of 170.0294 ppb37,267

* 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 n-Propylbenzene, but it likely has the contaminant in its water supply.