EWG's Tap Water Database — 2021 UPDATE


Di(2-ethylhexyl) adipate

Status: National drinking water standard exists


Di(2-ethylhexyl) adipate is used in PVC plastic, plastic wrap and other consumer products. It is released as a pollutant from industrial sources and sewage treatment plants. In studies of laboratory animals, di(2-ethylhexyl) adipate can harm fetal development.




states detected


utilities detected


people served


states over health guideline


utilities over health guideline


people served over health guideline

Health concerns for di(2-ethylhexyl) adipate

Change to fetal growth and development

Harm to the liver

State and national drinking water standards and health guidelines

EWG Health Guideline 200 ppb

The EWG Health Guideline of 200 ppb for di(2-ethylhexyl) adipate was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 400 ppb

The legal limit for di(2-ethylhexyl) adipate, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

States reporting di(2-ethylhexyl) adipate in drinking water

State UtilitiesPeople Served
New Mexico426,650
West Virginia526,069
New Jersey1594
North Carolina3361
New York4289

Filtering technologies that reduce di(2-ethylhexyl) adipate

carbon filter icon

Activated Carbon

reverse osmosis icon

Reverse Osmosis

Utilities with the highest amounts of di(2-ethylhexyl) adipate, 2017-2019

UtilityLocationTestsAverage levelPeople served
PetrossVidalia, GA1 of 14.07 ppb78
Halcyon Acres Water Users Association 1Tucson, AZ2 of 132.08 ppb234
Windstar Park Inc.Claypool, IN1 of 50.980 ppb70
Monona WaterworksMonona, WI1 of 10.750 ppb7,533
Seagers Mobile Home ParkCoopers Plains, NY1 of 20.725 ppb42
Kissimmee Rv ParkKissimmee, FL1 of 110.706 ppb43
Asheboro Country Club EstatesRaleigh, NC3 of 70.704 ppb26
Bloomer WaterworksBloomer, WI1 of 10.700 ppb3,563
Inchelium Water DistrictInchelium, WA1 of 30.700 ppb540
City of Rayne Water SystemRayne, LA2 of 120.678 ppb7,953
Rapid Creek RidgeIowa City, IA1 of 60.633 ppb70
Trout Valley Homes Association 1Davenport, IA1 of 70.586 ppb72
Escapee Co-op of NevadaPahrump, NV1 of 10.562 ppb200
BeavervilleBeaverville, IL1 of 110.518 ppb450
Forest Manor SubdivisionBlue Grass, IA1 of 20.500 ppb209
Poynette Mobile EstatesPoynette, WI1 of 20.500 ppb150
Hoey-de Graw Waterworks Inc.Merrick, NY1 of 50.476 ppb50
Busti Mobile Home ParkYoungsville, NY1 of 20.475 ppb97
Sunland Estates Homeowners AssociationMoses Lake, WA1 of 30.430 ppb250
Manalapan Water Treatment Plant (leroy C.paslay)Manalapan, FL1 of 60.382 ppb2,421
Sherwood Mobile Home ParkWhittier, TX1 of 20.350 ppb350
Hartland WaterworksHartland, WI1 of 30.333 ppb9,212
Schofield WaterworksSchofield, WI1 of 20.315 ppb2,117
Green Harbour DevelopmentLake George, NY1 of 70.314 ppb100
Fox Laurel Mobile Home Park LLCOakdale, CT4 of 140.304 ppb40
St. Lucie Mobile VillageIndiantown, FL1 of 20.300 ppb750
Canyon Regional Water Authority Wells Ranch*New Braunfels, TX1 of 20.300 ppb0
Wrights Mobile Home ParkWhitewater, WI1 of 30.283 ppb230
Tri County Joint Municipal Authority*Fredericktown, PA1 of 100.278 ppb10,100
Carolantic ParkWilmington, NC1 of 160.256 ppb46
Medford WaterworksMedford, WI1 of 30.240 ppb4,318
Beverly Town OfBeverly, WV1 of 30.236 ppb2,555
San Jacinto Special Utility DistrictColdspring, TX1 of 100.230 ppb4,008
Countryside Estates Mobile Home ParkEdinburg, PA2 of 70.229 ppb39
South ShoresDover, DE1 of 10.220 ppb540
Parker WSD*Parker, CO4 of 690.219 ppb52,175
Town of Ridgecrest Water SupplyRidgecrest, LA2 of 80.213 ppb855
Madison, City ofMadison, NE1 of 190.211 ppb2,135
Teal PointDover, DE1 of 10.210 ppb96
Middle Fork Water SystemLisbon, LA2 of 80.205 ppb441
The Mountain Water SystemKearneysville, WV1 of 40.205 ppb1,021
Aqua NJ - Spartan VillageWrightstown, NJ1 of 10.200 ppb594
Florida Pines Mobile Home ParkVenice, FL1 of 20.180 ppb280
Forest Glen MasterCary, NC1 of 80.175 ppb274
City of Center*Center, TX1 of 120.175 ppb5,429
Casas Adobes MdwcaMimbres, NM1 of 30.171 ppb368
City of Blue RidgeBlue Ridge, TX1 of 120.167 ppb1,329
Village At East ForkLeadville, CO1 of 60.167 ppb200
Carbondale, Town of*Carbondale, CO2 of 120.166 ppb6,700
Satank WaFort Collins, CO2 of 120.166 ppb80

* 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 Di(2-ethylhexyl) adipate, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Tri County Joint Municipal Authority*Fredericktown, PA1 of 100.278 ppb10,100
Parker WSD*Parker, CO4 of 690.219 ppb52,175
Brookfield Water UtilityBrookfield, WI1 of 50.136 ppb29,070
City of St. Cloud*St Cloud, FL1 of 220.119 ppb64,668
City of Martinsburg*Martinsburg, WV1 of 80.116 ppb15,652
Las Cruces Municipal Water SystemLas Cruces, NM1 of 810.112 ppb102,308
Geneseo Village*Geneseo, NY1 of 60.112 ppb13,350
City of HewittHewitt, TX2 of 220.100 ppb16,417
Oskaloosa Municipal Water DepartmentOskaloosa, IA1 of 20.0800 ppb12,173
Lubbock Public Water System*Lubbock, TX1 of 140.0643 ppb266,263
Storm Lake Water Treatment Plant*Storm Lake, IA1 of 10.0600 ppb10,892
Dewey Beach Water DepartmentFrankford, DE1 of 50.0540 ppb22,400
Rehoboth Beach Water Department*Rehoboth Beach, DE1 of 50.0540 ppb30,000
Burlington Municipal Waterworks*Burlington, IA1 of 20.0350 ppb25,619
Kingston Water DepartmentKingston, MA1 of 260.0331 ppb13,720
Ottumwa Water Works*Ottumwa, IA1 of 20.0300 ppb25,023
Atlantic City Municipal Utilities AuthorityAtlantic City, NJ3 of 70.0243 ppb152,415
Miramar (East & West) PlantsMiramar, FL1 of 160.0231 ppb127,700
Dona Ana MDWCADona Ana, NM1 of 170.0175 ppb16,217
City of Sherman*Sherman, TX1 of 440.0159 ppb42,462
Craven County Water System*New Bern, NC1 of 340.0129 ppb32,500
Suez Water Delaware*Wilmington, DE1 of 130.00677 ppb100,495
Ozark Utilities BoardOzark, AL4 of 360.00528 ppb14,907
Boulder City*Boulder City, NV1 of 390.00385 ppb15,000
Rehoboth DistrictDover, DE1 of 290.00379 ppb32,700
Meadow District*Dover, DE1 of 290.00324 ppb10,500
Suez*Boise, ID1 of 1480.00288 ppb228,790

* 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 Di(2-ethylhexyl) adipate, but it likely has the contaminant in its water supply.