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EWG's Tap Water Database — 2021 UPDATE

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p-Isopropyltoluene

Status: No national drinking water standard exists

 

p-Isopropyltoluene is a volatile solvent derived from coal distillation and petrochemical processing.

2017-2019:

FOUND

6

states detected

15

utilities detected

59,012

people served

Health concerns for p-isopropyltoluene

Harm to the central nervous system

States reporting p-isopropyltoluene in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Alabama138,700
New York109,242
Ohio16,400
California12,300
Washington12,200
Wisconsin1170
MORE
LESS

Filtering technologies that reduce p-isopropyltoluene

carbon filter icon

Activated Carbon

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Reverse Osmosis

Utilities with the highest amounts of p-isopropyltoluene, 2017-2019

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Naval Support Facility, Indian HeadIndian Head, MD1 of 13.90 ppb3,321
52nd Ave Water GroupKenosha, WI2 of 21.51 ppb35
Arcadia Water SupplyArcadia, IA1 of 10.700 ppb484
Sweetwater Beach SubdivisionEagle Rock, MO1 of 10.520 ppb63
Cape Girardeau County Public Water Supply District 4Cape Girardeau, MO1 of 40.515 ppb1,575
Ausable Heights Water SystemKeeseville, NY1 of 10.500 ppb46
Alton Water WorksAlton, NH2 of 70.443 ppb1,750
Friendship Hills SubdStockton, MO1 of 20.265 ppb35
Mount Hope WaterworksMount Hope, WI1 of 20.245 ppb181
Silver Lake Institute - Castile Water District #1, NY1 of 30.167 ppb440
Perry Center Water DistrictPerry, NY1 of 30.167 ppb150
Perry Village*, NY1 of 30.167 ppb4,348
Gardeau Water DistrictCastile, NY1 of 30.167 ppb60
St Croix Meadows Mobile Home ParkHoulton, WI1 of 20.0750 ppb170
ParrottParrott, GA1 of 90.0578 ppb234
Farm-to-market AssociatesBrewster, NY1 of 90.0556 ppb48
Springhill Mobile Home ParkWappingers Falls, NY1 of 90.0556 ppb150
US Army Aviation and Missile CommandRedstone Arsenal, AL1 of 110.0421 ppb38,700
Badger Mountain Irrigation DistrictKennewick, WA1 of 20.0385 ppb2,200
Springport Water District #1 - NorthCayuga, NY1 of 240.0208 ppb500
Springport Water District #1 - SouthCayuga, NY1 of 240.0208 ppb500
Union Springs Village*Union Springs, NY1 of 240.0208 ppb3,000
Milford City Public Water SystemMilford, OH1 of 570.00877 ppb6,400
Lynwood Park Mutual Water CompanyCompton, CA1 of 700.00714 ppb2,300

* 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 p-Isopropyltoluene, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
US Army Aviation and Missile CommandRedstone Arsenal, AL1 of 110.0421 ppb38,700