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EWG's Tap Water Database — 2019 UPDATE

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1,3,5-Trimethylbenzene

Status: No national drinking water standard exists

 

1,3,5-trimethylbenzene is a neurotoxic, volatile chemical found in gasoline, and used as a solvent and paint thinner.

2015-2017:

FOUND

16

states detected

65

utilities detected

2.2 million

people served

Health concerns for 1,3,5-trimethylbenzene

Harm to the central nervous system

Eye and lung irritation

Change to blood cells

States reporting 1,3,5-trimethylbenzene in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Texas322,013,743
Wisconsin1038,559
Connecticut137,267
New Jersey136,100
Washington226,875
Georgia211,833
Ohio16,400
Missouri55,020
Iowa23,554
Utah21,860
Minnesota11,250
Virginia11,240
Maryland1725
Vermont1551
South Carolina1100
New Hampshire256
MORE
LESS

Filtering technologies that reduce 1,3,5-trimethylbenzene

carbon filter icon

Activated Carbon

reverse osmosis icon

Reverse Osmosis

Utilities with the highest amounts of 1,3,5-trimethylbenzene, 2015-2017

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
City of Mount CalmMount Calm, TX1 of 34.33 ppb447
Central Garage Water SystemKing William, VA1 of 12.70 ppb1,240
Hudson Water SupplyHudson, IA3 of 31.53 ppb2,282
Stetsonville WaterworksStetsonville, WI1 of 11.10 ppb563
Biron Water UtilityWisconsin Rapids, WI1 of 11.000 ppb879
Panora Water WorksPanora, IA1 of 10.900 ppb1,272
Fort Atkinson WaterworksFort Atkinson, WI1 of 10.700 ppb12,125
Peshtigo WaterworksPeshtigo, WI1 of 10.670 ppb3,449
Oaklawn AcademyEdgerton, WI2 of 20.625 ppb320
FairleeChestertown, MD1 of 20.550 ppb725
Elmo Subdivision 1 & 2 & 3Eagle Rock, MO1 of 10.510 ppb275
Porter SUD*Porter, TX1 of 200.500 ppb15,892
South Greenfield PWSSouth Greenfield, MO1 of 10.500 ppb100
Valley Ranch Municipal Utility District 1Houston, TX1 of 200.500 ppb2,895
Woodridge Municipal Utility DistrictHouston, TX1 of 200.500 ppb840
City of Panorama VillagePanorama Village, TX1 of 80.463 ppb2,333
Weyerhaeuser WaterworksWeyerhauser, WI2 of 20.420 ppb238
Strafford PWSStrafford, MO2 of 30.350 ppb2,600
Shawano Co. UtilityShawano, WI3 of 30.333 ppb100
Duval County Crd BenavidesBenavides, TX2 of 80.300 ppb1,362
City of WeinertWeinert, TX1 of 30.297 ppb208
Batesville Water Supply CorporationBatesville, TX1 of 50.260 ppb1,191
Butterfield PWSCassville, MO1 of 20.260 ppb470
Cape Girardeau County Public Water Supply District 4Gordonville, MO1 of 20.255 ppb1,575
City of KirbyKirby, TX1 of 60.250 ppb9,576
Coopers GroveAtkinson, NH1 of 40.225 ppb30
Dodgeville WaterworksDodgeville, WI1 of 10.200 ppb4,583
Turtle Lake WaterworksTurtle Lake, WI1 of 10.190 ppb1,073
City of JasperJasper, TX1 of 140.186 ppb10,388
Robinsons Mobile Home Park/upperChichester, NH1 of 30.167 ppb26
Greensboro Fire District 1Greensboro, VT1 of 50.140 ppb551
Deer Glen Water SystemPorter, TX1 of 150.127 ppb1,764
RoyaltonRoyalton, MN1 of 50.122 ppb1,250
River Falls WaterworksRiver Falls, WI1 of 10.120 ppb15,229
Twiggs County- General Twiggs DriveJeffersonville, GA1 of 100.110 ppb34
Harris County MUD 165Houston, TX1 of 130.0923 ppb17,763
City of CleburneCleburne, TX1 of 240.0879 ppb30,573
City of Houston Willow Chase*Houston, TX1 of 120.0833 ppb12,558
Glendale Water Supply CorporationTrinity, TX1 of 100.0831 ppb1,154
Cws Pollys CircleColumbia, SC1 of 70.0786 ppb100
Verona Special Utility DistrictBlue Ridge, TX1 of 90.0700 ppb2,634
City of Cockrell HillDallas, TX1 of 90.0620 ppb4,193
City of CoppellCoppell, TX1 of 90.0620 ppb39,880
Danieldale Community Water ServiceMesquite, TX1 of 90.0620 ppb678
Town of AddisonAddison, TX1 of 90.0620 ppb15,458
City of DuncanvilleDuncanville, TX1 of 90.0620 ppb39,826
City of Hutchins*Hutchins, TX1 of 90.0620 ppb3,060
City of Balch SpringsBalch Springs, TX1 of 90.0620 ppb30,234
City of Lancaster*Lancaster, TX1 of 90.0620 ppb37,550
City of Seagoville*Seagoville, TX1 of 90.0620 ppb15,240

* 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 1,3,5-Trimethylbenzene, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Fort Atkinson WaterworksFort Atkinson, WI1 of 10.700 ppb12,125
Porter SUD*Porter, TX1 of 200.500 ppb15,892
City of JasperJasper, TX1 of 140.186 ppb10,388
River Falls WaterworksRiver Falls, WI1 of 10.120 ppb15,229
Harris County MUD 165Houston, TX1 of 130.0923 ppb17,763
City of CleburneCleburne, TX1 of 240.0879 ppb30,573
City of Houston Willow Chase*Houston, TX1 of 120.0833 ppb12,558
City of IrvingIrving, TX1 of 90.0620 ppb238,829
City of Farmers BranchFarmers Branch, TX1 of 90.0620 ppb31,560
City of CoppellCoppell, TX1 of 90.0620 ppb39,880
City of CarrolltonCarrollton, TX1 of 90.0620 ppb127,980
City of Balch SpringsBalch Springs, TX1 of 90.0620 ppb30,234
Dallas Water Utility*Dallas, TX1 of 90.0620 ppb1,197,816
City of DesotoDesoto, TX1 of 90.0620 ppb51,700
City of DuncanvilleDuncanville, TX1 of 90.0620 ppb39,826
City of Lancaster*Lancaster, TX1 of 90.0620 ppb37,550
City of Seagoville*Seagoville, TX1 of 90.0620 ppb15,240
Town of AddisonAddison, TX1 of 90.0620 ppb15,458
West Sound Utility District #1Port Orchard, WA3 of 210.0571 ppb18,790
Larchmont UtilitiesSavannah, GA1 of 220.0332 ppb11,799
Wallingford Water DepartmentWallingford, CT1 of 170.0294 ppb37,267
Monroe Twp MUAWilliamstown, NJ1 of 1560.000385 ppb36,100

* 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 1,3,5-Trimethylbenzene, but it likely has the contaminant in its water supply.