PFAS in Arkansas tap water

1 of 172 tested systems measured above the federal limit. 10 had a detection of any kind.

Every public water system below was required by the EPA to test for 29 PFAS compounds. Sorted by the highest PFOA or PFOS reading, worst first. Find yours for the full set of readings and what removes them.

Water system	Highest PFOA	Highest PFOS	Found	Against the 4 ppt limit
Dardanelle Waterworks	none detected	4.4 ppt	3 of 29	Above
Adc - Cummins Unit Maint	none detected	none detected	0 of 29	Within
Alma Waterworks	none detected	none detected	0 of 29	Within
Arkadelphia Waterworks	none detected	none detected	0 of 29	Within
Ashdown Waterworks	none detected	none detected	0 of 29	Within
Atkins Water System	none detected	none detected	0 of 29	Within
Barling Waterworks	none detected	none detected	0 of 29	Within
Barton Lexa Water Association	none detected	none detected	0 of 29	Within
Batesville Water Utilities	none detected	none detected	0 of 29	Within
Batts-lapile Water Association	none detected	none detected	0 of 29	Within
Beaverfork Pwa	none detected	none detected	0 of 29	Within
Beebe Waterworks	none detected	none detected	1 of 29	Within
Bella Vista Poa	none detected	none detected	0 of 29	Within
Benton Co Water	none detected	none detected	0 of 29	Within
Benton Waterworks	none detected	none detected	0 of 29	Within
Bentonville Water Utilities	none detected	none detected	1 of 29	Within
Berryville Waterworks	none detected	none detected	0 of 29	Within
Blytheville Waterworks	none detected	none detected	0 of 29	Within
Booneville Waterworks	none detected	none detected	0 of 29	Within
Bradley Co Rural Water Association	none detected	none detected	0 of 29	Within
Brinkley Waterworks	none detected	none detected	0 of 29	Within
Bryant Waterworks	none detected	none detected	0 of 29	Within
Buffalo Island Reg Water Dist	none detected	none detected	0 of 29	Within
Cabot Waterworks	none detected	none detected	0 of 29	Within
Camden Waterworks	none detected	none detected	0 of 29	Within
Cave Springs Waterworks	none detected	none detected	0 of 29	Within
Cedarville Waterworks	none detected	none detected	0 of 29	Within
Center Grove Water Association	none detected	none detected	0 of 29	Within
Centerton Waterworks	none detected	none detected	0 of 29	Within
Central Arkansas Water	none detected	none detected	0 of 29	Within
Cherokee Village Water Assoc	none detected	none detected	0 of 29	Within
City Corporation	none detected	none detected	0 of 29	Within
Clarksville Connected Utilities	none detected	none detected	0 of 29	Within
Clay Co Reg Water District	none detected	none detected	0 of 29	Within
Clinton Waterworks	none detected	none detected	0 of 29	Within
Community Water System	none detected	none detected	0 of 29	Within
Conway Co Regional Water Dist	none detected	none detected	0 of 29	Within
Conway Water System	none detected	none detected	0 of 29	Within
Corning Waterworks	none detected	none detected	0 of 29	Within
Cross County Rural Water Sys	none detected	none detected	0 of 29	Within
Crossett Water Commission	none detected	none detected	0 of 29	Within
Crowleys Ridge Water Assoc	none detected	none detected	1 of 29	Within
Decatur Waterworks	none detected	none detected	0 of 29	Within
Dequeen Water Work	none detected	none detected	0 of 29	Within
Des Arc Waterworks	none detected	none detected	0 of 29	Within
Dumas Waterworks	none detected	none detected	0 of 29	Within
East End Water	none detected	none detected	0 of 29	Within
East Johnson Co Water Assn	none detected	none detected	0 of 29	Within
El Dorado Waterworks	none detected	none detected	0 of 29	Within
Elkins Waterworks	none detected	none detected	0 of 29	Within
Eureka Springs Waterworks	none detected	none detected	0 of 29	Within
Fayetteville Waterworks	none detected	none detected	0 of 29	Within
Flippin Waterworks	none detected	none detected	1 of 29	Within
Fordyce Water Co	none detected	none detected	0 of 29	Within
Forrest City Waterworks	none detected	none detected	0 of 29	Within
Fort Smith Water Utilities	none detected	none detected	0 of 29	Within
Four Mile Hill Water Assoc	none detected	none detected	0 of 29	Within
Gentry Waterworks	none detected	none detected	0 of 29	Within
Grand Prairie Bayou 2 Pwa	none detected	none detected	0 of 29	Within
Grand Prairie Regional Water	none detected	none detected	0 of 29	Within
Gravette Waterworks	none detected	none detected	0 of 29	Within
Green Forest Waterworks	none detected	none detected	0 of 29	Within
Greenbrier Waterworks	none detected	none detected	0 of 29	Within
Greenwood Waterworks	none detected	none detected	0 of 29	Within
Guy Waterworks	none detected	none detected	0 of 29	Within
Hamburg Waterworks	none detected	none detected	0 of 29	Within
Hardin Water Association	none detected	none detected	0 of 29	Within
Harrisburg Waterworks	none detected	none detected	0 of 29	Within
Harrison Waterworks	none detected	none detected	0 of 29	Within
Hartford Waterworks, Ar	none detected	none detected	0 of 29	Within
Hartman Waterworks	none detected	none detected	0 of 29	Within
Haskell Water System	none detected	none detected	0 of 29	Within
Heber Springs Water System	none detected	none detected	0 of 29	Within
Helena Water Sewer	none detected	none detected	0 of 29	Within
Holiday Island Waterworks	none detected	none detected	0 of 29	Within
Hope Water Light Comm	none detected	none detected	0 of 29	Within
Horsehead Water Association	none detected	none detected	0 of 29	Within
Hot Spring Co Water Assoc	none detected	none detected	1 of 29	Within
Hot Springs Utilities	none detected	none detected	0 of 29	Within
Hot Springs Village Waterworks	none detected	none detected	0 of 29	Within
Hwy 63 Water Association	none detected	none detected	0 of 29	Within
Hwy 71 Water District #1 Pwa	none detected	none detected	0 of 29	Within
Jacksonville Waterworks	none detected	none detected	0 of 29	Within
James Fork Regional Water District	none detected	none detected	0 of 29	Within
Jonesboro Water System	none detected	none detected	0 of 29	Within
Kimzey Regional Water District	none detected	none detected	0 of 29	Within
Lakeview-midway Public Water Authority	none detected	none detected	1 of 29	Within
Lavaca Waterworks	none detected	none detected	0 of 29	Within
Lawrence Co Reg Water Dist	none detected	none detected	0 of 29	Within
Lee County Water Association	none detected	none detected	0 of 29	Within
Liberty Utilities	none detected	none detected	0 of 29	Within
Lincoln Waterworks	none detected	none detected	0 of 29	Within
Little Creek Water Association	none detected	none detected	0 of 29	Within
Little River Co Rda	none detected	none detected	0 of 29	Within
Lonoke Waterworks	none detected	none detected	0 of 29	Within
Madison Co Water Facilities Bd	none detected	none detected	0 of 29	Within
Magnolia Waterworks	none detected	none detected	0 of 29	Within
Malvern Waterworks	none detected	none detected	0 of 29	Within
Manila Waterworks	none detected	none detected	0 of 29	Within
Marianna Waterworks	none detected	none detected	0 of 29	Within
Marion Waterworks	none detected	none detected	0 of 29	Within
Marvell Waterworks	none detected	none detected	0 of 29	Within
Mayflower Waterworks	none detected	none detected	0 of 29	Within
Mc Crory Waterworks	none detected	none detected	0 of 29	Within
Mc Gehee Waterworks	none detected	none detected	0 of 29	Within
Melbourne Waterworks	none detected	none detected	0 of 29	Within
Mena Water Department	none detected	none detected	0 of 29	Within
Mid-arkansas Utilities P.w.a	none detected	none detected	0 of 29	Within
Milltown-washburn Water Users	none detected	none detected	0 of 29	Within
Monticello Water Department	none detected	none detected	0 of 29	Within
Mount Olive Water Association	none detected	none detected	0 of 29	Within
Mountain Home Waterworks	none detected	none detected	0 of 29	Within
Mountain Top Water Association	none detected	none detected	0 of 29	Within
Mountain View Waterworks	none detected	none detected	0 of 29	Within
N Garland Co Reg Water Dist	none detected	none detected	0 of 29	Within
Nashville Rural Water Authority	none detected	none detected	0 of 29	Within
Nashville Waterworks	none detected	none detected	1 of 29	Within
NE Yell County Water Assoc	none detected	none detected	0 of 29	Within
Newport Waterworks	none detected	none detected	0 of 29	Within
North East Public Water Auth	none detected	none detected	0 of 29	Within
North White Co Rural Water Pfb	none detected	none detected	0 of 29	Within
Osceola Waterworks	none detected	none detected	0 of 29	Within
Ozark Waterworks	none detected	none detected	0 of 29	Within
Paragould Light Water & Cable	none detected	none detected	0 of 29	Within
Paris Waterworks	none detected	none detected	0 of 29	Within
Pea Ridge Waterworks	none detected	none detected	0 of 29	Within
Piggott Waterworks	none detected	none detected	0 of 29	Within
Pocahontas Waterworks	none detected	none detected	0 of 29	Within
Pottsville Water Association	none detected	none detected	0 of 29	Within
Prairie Grove Waterworks	none detected	none detected	0 of 29	Within
Prescott Waterworks	none detected	none detected	0 of 29	Within
Riversouth Rural Water Dist	none detected	none detected	0 of 29	Within
Rogers Water Utilities	none detected	none detected	0 of 29	Within
Salem Water Association	none detected	none detected	0 of 29	Within
Salesville Community Water Association	none detected	none detected	0 of 29	Within
Sardis Water Association	none detected	none detected	0 of 29	Within
SE White County Water Assoc	none detected	none detected	0 of 29	Within
Searcy Waterworks	none detected	none detected	0 of 29	Within
Sevier Co Water Association	none detected	none detected	0 of 29	Within
Shannon Hills Water Dept	none detected	none detected	0 of 29	Within
Siloam Springs Waterworks	none detected	none detected	3 of 29	Within
South Sheridan Water Assoc	none detected	none detected	0 of 29	Within
Southside Pub Water Authority	none detected	none detected	0 of 29	Within
Southwest Water Association	none detected	none detected	0 of 29	Within
Springdale Water Utilities	none detected	none detected	0 of 29	Within
Stuttgart Waterworks	none detected	none detected	0 of 29	Within
SW Boone County Water Assoc	none detected	none detected	0 of 29	Within
SW White County Water Assn	none detected	none detected	0 of 29	Within
Texarkana Water Utilities	none detected	none detected	0 of 29	Within
Tontitown Waterworks	none detected	none detected	0 of 29	Within
Tri-county Water Distbr Dist	none detected	none detected	0 of 29	Within
Trumann Waterworks	none detected	none detected	0 of 29	Within
Tuckerman Waterworks	none detected	none detected	0 of 29	Within
Tumbling Shoals Water Assoc	none detected	none detected	0 of 29	Within
US Air Force Base Little Rock	none detected	none detected	0 of 29	Within
Van Buren County W U A	none detected	none detected	0 of 29	Within
Van Buren Waterworks	none detected	none detected	0 of 29	Within
Vilonia Waterworks	none detected	none detected	0 of 29	Within
Waldron Waterworks	none detected	none detected	0 of 29	Within
Walnut Ridge Waterworks	none detected	none detected	0 of 29	Within
Ward Waterworks	none detected	none detected	0 of 29	Within
Warren Waterworks	none detected	none detected	0 of 29	Within
Washington Water Authority Wwa	none detected	none detected	0 of 29	Within
Washington Water System	none detected	none detected	0 of 29	Within
Watson Chapel Water Assoc	none detected	none detected	0 of 29	Within
West Helena Water Works	none detected	none detected	0 of 29	Within
West Memphis Waterworks	none detected	none detected	0 of 29	Within
West Stone County Water Assn	none detected	none detected	1 of 29	Within
Western Greene County R W D	none detected	none detected	0 of 29	Within
Wooster Waterworks	none detected	none detected	0 of 29	Within
Wynne Waterworks	none detected	none detected	0 of 29	Within
Yorktown Water Association	none detected	none detected	0 of 29	Within

All 172 systems the EPA tested in Arkansas, every one of them with its own page. Each was tested for 29 PFAS compounds.

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Source, the EPA’s fifth Unregulated Contaminant Monitoring Rule, final dataset published 2026-10-15. Original data →