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CONTAMINANT

Perfluoroundecanoic acid (PFUnA)

FOUND

Exceeding guidelines

STATES DETECTED

17

serves

4.3 million

utilities detected

172

states detected

16

serves

4.2 million

utilities detected

163

Overview

Perfluoroundecanoic acid (PFUnA) is a member of a group of perfluorinated chemicals used in many consumer products. PFUnA and other perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.006 ppt

The EWG Health Guideline of 0.006 ppt for PFUnA was based the EPA's recommended application of the toxicity value for PFDA published in the Integrated Risk Information System’s toxicological review. This health guideline protects against harm to the immune system and harm to fetal growth and child development.

ppt = parts per trillion

National Standard Exists

Health Concerns:

  • Cancer

  • Harm to the immune system

  • Hormone disruption

  • Harm to fetal growth and child development

  • Harm to the liver

Want to remove
Perfluoroundecanoic acid (PFUnA) from your water?

Try these filter technologies:

Activated Carbon, 

Reverse Osmosis, 

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Perfluoroundecanoic acid (PFUnA) around the Country

UTILITIES REPORTING ABOVE HEALTH GUIDELINES UTILITIES WITH CONTAMINATION
State Utilities People Served Utilities People Served
New Jersey452,492,333452,492,333
North Carolina32788,43932788,439
New York32331,71635368,466
Massachusetts9103,41213160,968
Alabama13125,48213125,482
Delaware1100,4951100,495
South Carolina599,886599,886
Texas1164,6501164,650
Rhode Island135,298135,298
New Hampshire00225,958
Pennsylvania320,629320,629
Louisiana48,79348,793
Michigan26,30426,304
Colorado11,50511,505
Washington11,21411,214
California25252525
Maine160160

Utilities with the highest amounts of PFUnA, 2018-2024

ALL UTILITIES
LARGE UTILITIES
Utility Location Tests Average level People served
Lca Emmaus Consecutive DivAllentown, PA10 of 2321.1 ppt1,046
Emmaus Borough Public Water*Emmaus, PA10 of 2321.1 ppt14,000
Lincoln, City ofLincoln, AL1 of 1213.3 ppt10,218
Odenville*Odenville, AL1 of 127.58 ppt23,637
Pell City Water WorksPell City, AL1 of 127.58 ppt15,402
Springville Water WorksSpringville, AL1 of 127.58 ppt6,015
Coosa Valley Water Supply District*Odenville, AL1 of 127.58 ppt25
Bcwsa Lake Moultrie EstatesMoncks Corner, SC1 of 17.10 ppt156
BCWSA East CooperMoncks Corner, SC1 of 17.10 ppt10,705
Summerville*Summerville, SC1 of 17.10 ppt81,750
Moncks Corner, City ofMoncks Corner, SC1 of 17.10 ppt7,250
Santee Cooper Reg Water*Moncks Corner, SC1 of 17.10 ppt25
Tyrrell County WaterColumbia, NC1 of 13.10 ppt3,177
Suffern VillageSuffern, NY14 of 453.05 ppt12,000
Pa Am Water Co-frackville DistrictMilton, PA2 of 22.70 ppt5,583
Graystone S/dFuquay-varina, NC1 of 12.10 ppt50
Bragg Communities/ntaFort Liberty, NC1 of 12.10 ppt3,733
East Moore Water District*Carthage, NC1 of 12.10 ppt7,990
Lillington Water System-riverbluffLillington, NC1 of 12.10 ppt93
Lillington Water System - VandercroftLillington, NC1 of 12.10 ppt629
Linden, Town ofLinden, NC1 of 12.10 ppt2,077
Woodland Run Mobile Home S/dDenver, NC1 of 12.10 ppt108
Angier, Town ofAngier, NC1 of 12.10 ppt8,468
Moore County Public Utilities-hidden Lakes S/dCarthage, NC1 of 12.10 ppt165
Coats, Town ofCoats, NC1 of 12.10 ppt2,831
Lillington Water SystemLillington, NC1 of 12.10 ppt3,883
Harnett County Department of Public Utilities*Lillington, NC1 of 12.10 ppt109,415
Woodlake Water & Sewer Inc.Denver, NC1 of 12.10 ppt1,945
Town of Holly SpringsHolly Springs, NC1 of 12.10 ppt45,058
Ariton Water WorksAriton, AL2 of 61.92 ppt1,263
Greenevers, Town ofRose Hill, NC1 of 11.40 ppt1,390
Chapel Ridge S/dDenver, NC1 of 41.33 ppt798
Pittsboro, Town of*Pittsboro, NC1 of 41.33 ppt5,053
Black Mountain, Town ofBlack Mountain, NC1 of 11.30 ppt10,125
Festival Garden Apartments, NY1 of 21.17 ppt72
Whorton Bend Water AuthorityGadsden, AL7 of 411.01 ppt2,493
Gadsden Water Works and Sewer Board*Gadsden, AL7 of 411.01 ppt44,637
Highland Water AuthorityGadsden, AL7 of 411.01 ppt3,906
Northeast Etowah County Water Co-opGadsden, AL7 of 411.01 ppt4,239
Teachey, Town ofTeachey, NC1 of 11.000 ppt663
Wallace, Town of*Wallace, NC1 of 11.000 ppt5,825
Bells Pond Mobile Park NorthHudson, NY1 of 20.950 ppt150
Hillcrest Village Mobile Home ParkWheat Ridge, CO1 of 30.933 ppt1,505
Quail Ridge Estates Water SystemLake Charles, LA1 of 20.925 ppt1,119
Parkspace La LLC - (tp #1)Elburn, LA1 of 20.925 ppt162
Salem Water SystemFarmerville, LA1 of 20.925 ppt753
Veolia Delaware Operations*Wilmington, DE2 of 80.900 ppt100,495
Maple Hill Condominium W.s.Somers, NY1 of 20.760 ppt380
Red Creek Village*Walworth, NY1 of 50.660 ppt535
Red Creek North SaWalworth, NY1 of 50.660 ppt36

* 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 Perfluoroundecanoic acid (PFUnA) , but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Emmaus Borough Public Water*Emmaus, PA10 of 2321.1 ppt14,000
Lincoln, City ofLincoln, AL1 of 1213.3 ppt10,218
Odenville*Odenville, AL1 of 127.58 ppt23,637
Pell City Water WorksPell City, AL1 of 127.58 ppt15,402
Summerville*Summerville, SC1 of 17.10 ppt81,750
BCWSA East CooperMoncks Corner, SC1 of 17.10 ppt10,705
Suffern VillageSuffern, NY14 of 453.05 ppt12,000
Town of Holly SpringsHolly Springs, NC1 of 12.10 ppt45,058
Harnett County Department of Public Utilities*Lillington, NC1 of 12.10 ppt109,415
Black Mountain, Town ofBlack Mountain, NC1 of 11.30 ppt10,125
Gadsden Water Works and Sewer Board*Gadsden, AL7 of 411.01 ppt44,637
Veolia Delaware Operations*Wilmington, DE2 of 80.900 ppt100,495
Bethlehem Water District No. 1*Delmar, NY1 of 280.607 ppt62,062
Westerly Water DepartmentWesterly, RI1 of 90.267 ppt35,298
City of Winston-Salem*Pfafftown, NC1 of 150.167 ppt374,403
Manville WSC*Coupland, TX1 of 200.135 ppt39,648
NJ American Water - Coastal North*Colts Neck, NJ9 of 1590.133 ppt335,449
Red Bank Water DepartmentPoint Pleaseant Beach, NJ9 of 1590.133 ppt12,520
Shorelands Water Company Inc.*Colts Neck, NJ9 of 1590.133 ppt36,164
Keansburg Water & Sewer DepartmentKeansburg, NJ9 of 1590.133 ppt10,105
Belmar Water Department*Belmar, NJ9 of 1590.133 ppt20,000
NJ American Water - Penns GroveDelran, NJ1 of 200.105 ppt14,406
NJ American Water - Ocean CityEgg Harbor Township, NJ3 of 710.1000 ppt127,000
Westbury WDWestbury, NY3 of 850.0880 ppt20,500
Cape Fear Public Utility Authority - Wilmington*Wilmington, NC1 of 160.0750 ppt180,516
Liberty New York Water - MerrickMerrick, NY4 of 1150.0720 ppt177,000
Albertson WDRoslyn Heights, NY1 of 130.0600 ppt13,500
Milford Water Company*Milford, MA1 of 130.0570 ppt27,999
Rockport Water DepartmentRockport, MA1 of 140.0500 ppt10,000
Westborough Water DepartmentWestborough, MA2 of 650.0350 ppt18,272
Mantua Township MUAMantua, NJ1 of 1200.0190 ppt12,600
Maple Shade Water Department*Maple Shade, NJ1 of 1200.0190 ppt19,400
Moorestown Water DepartmentMoorestown, NJ1 of 1200.0190 ppt20,700
NJ American Water - Mount Holly*Delran, NJ1 of 1200.0190 ppt47,427
West Deptford Twp Water DepartmentWest Deptford, NJ1 of 1200.0190 ppt22,000
Berlin Water DepartmentBerlin, NJ1 of 1200.0190 ppt13,001
Glassboro Water Department*Glassboro, NJ1 of 1200.0190 ppt24,244
Deptford Twp MUADeptford, NJ1 of 1200.0190 ppt30,561
NJ American Water - Western*Delran, NJ1 of 1200.0190 ppt264,586
Winslow Township DMU*Braddock, NJ1 of 1200.0190 ppt39,174
Pine Hill Borough MUAPine Hill, NJ1 of 1200.0190 ppt10,233
Merchantville PennsaukenPennsauken, NJ1 of 1200.0190 ppt47,144
Haddon Twp Water DepartmWestmont, NJ1 of 1200.0190 ppt11,938
Aqua NJ - BlackwoodHamilton, NJ1 of 1200.0190 ppt44,396
United Water CamdenCamden, NJ1 of 1200.0190 ppt46,585
Fort Drum*Fort Drum, NY1 of 1050.0170 ppt34,400
NJ American Water - Short Hills*Short Hills, NJ1 of 1550.0160 ppt217,230
Livingston Twp Div of WaterLivingston, NJ1 of 1550.0160 ppt27,391
East Hanover Twp Water Department*East Hanover Township, NJ1 of 1550.0160 ppt11,393
Ramsey Water DepartmentRamsey, NJ1 of 1370.0150 ppt15,207

* 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 Perfluoroundecanoic acid (PFUnA) , but it likely has the contaminant in its water supply.

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