PFAS in Minnesota tap water

16 of 196 tested systems measured above the federal limit. 88 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
Hastings, MN	23.7 ppt	4.6 ppt	7 of 29	Above
Waite Park	5.5 ppt	18 ppt	8 of 29	Above
Woodbury	17.1 ppt	8.4 ppt	7 of 29	Above
Lake Elmo	12 ppt	none detected	3 of 29	Above
Sauk Rapids	8.1 ppt	12 ppt	8 of 29	Above
Brooklyn Park	10.5 ppt	9.5 ppt	5 of 29	Above
Cloquet	none detected	8.4 ppt	2 of 29	Above
Stillwater	5.2 ppt	8.1 ppt	5 of 29	Above
South Saint Paul	7.6 ppt	none detected	6 of 29	Above
Newport	6.9 ppt	none detected	4 of 29	Above
Brooklyn Center	none detected	6 ppt	3 of 29	Above
Princeton	none detected	4.9 ppt	2 of 29	Above
Becker	4.3 ppt	4.6 ppt	6 of 29	Above
White Bear Township	4.6 ppt	none detected	2 of 29	Above
Alexandria	none detected	4.4 ppt	3 of 29	Above
North Saint Paul	none detected	4.2 ppt	3 of 29	Above
Albert Lea	none detected	none detected	0 of 29	Within
Amboy	none detected	none detected	0 of 29	Within
Andover	none detected	none detected	1 of 29	Within
Annandale	none detected	none detected	0 of 29	Within
Anoka	none detected	none detected	2 of 29	Within
Apple Valley	none detected	none detected	2 of 29	Within
Arden Hills	none detected	none detected	2 of 29	Within
Arlington	none detected	none detected	0 of 29	Within
Austin Utilities	none detected	none detected	0 of 29	Within
Baxter	none detected	none detected	0 of 29	Within
Bayer U.S.-Crop Science	none detected	none detected	0 of 29	Within
Belle Plaine	none detected	none detected	0 of 29	Within
Bemidji	none detected	none detected	0 of 29	Within
Big Lake	none detected	none detected	2 of 29	Within
Bird Island	none detected	none detected	0 of 29	Within
Blaine	none detected	none detected	1 of 29	Within
Bloomington, MN	none detected	none detected	1 of 29	Within
Blue Earth Light and Water	none detected	none detected	0 of 29	Within
Brainerd	none detected	none detected	0 of 29	Within
Breckenridge	none detected	none detected	0 of 29	Within
Buffalo	none detected	none detected	0 of 29	Within
Burnsville	none detected	none detected	1 of 29	Within
Byron	none detected	none detected	0 of 29	Within
Cambridge	none detected	none detected	0 of 29	Within
Cannon Falls	none detected	none detected	0 of 29	Within
Carver	none detected	none detected	0 of 29	Within
Centerville	none detected	none detected	1 of 29	Within
Champlin	none detected	none detected	0 of 29	Within
Chanhassen	none detected	none detected	0 of 29	Within
Chaska	none detected	none detected	0 of 29	Within
Chisago City	none detected	none detected	1 of 29	Within
Chisholm	none detected	none detected	0 of 29	Within
Circle Pines	none detected	none detected	1 of 29	Within
Cold Spring	none detected	none detected	0 of 29	Within
Colonial Homes 2	none detected	none detected	0 of 29	Within
Columbia Heights	none detected	none detected	1 of 29	Within
Coon Rapids	none detected	none detected	1 of 29	Within
Cottage Grove	none detected	none detected	2 of 29	Within
Crookston	none detected	none detected	0 of 29	Within
Crystal	none detected	none detected	1 of 29	Within
Delano Municipal Utilities	none detected	none detected	0 of 29	Within
Detroit Lakes	none detected	none detected	0 of 29	Within
Dilworth	none detected	none detected	1 of 29	Within
Duluth	none detected	none detected	0 of 29	Within
Eagan	none detected	none detected	1 of 29	Within
East Grand Forks	none detected	none detected	1 of 29	Within
Eden Prairie	none detected	none detected	1 of 29	Within
Edina	none detected	none detected	1 of 29	Within
Elgin, MN	none detected	none detected	0 of 29	Within
Elk River	none detected	none detected	0 of 29	Within
Elko New Market	none detected	none detected	0 of 29	Within
Ely	none detected	none detected	0 of 29	Within
Eveleth	none detected	none detected	1 of 29	Within
Fairmont	none detected	none detected	1 of 29	Within
Faribault	none detected	none detected	0 of 29	Within
Farmington	none detected	none detected	1 of 29	Within
Fergus Falls	none detected	none detected	0 of 29	Within
Floodwood	none detected	none detected	0 of 29	Within
Forest Lake	none detected	none detected	0 of 29	Within
Fridley	none detected	none detected	1 of 29	Within
Glencoe	none detected	none detected	0 of 29	Within
Golden Valley	none detected	none detected	2 of 29	Within
Goodview	none detected	none detected	0 of 29	Within
Grand Rapids	none detected	none detected	0 of 29	Within
Greenfield	none detected	none detected	0 of 29	Within
Hermantown	none detected	none detected	0 of 29	Within
Hibbing	none detected	none detected	0 of 29	Within
Holdingford	none detected	none detected	1 of 29	Within
Hopkins	none detected	none detected	1 of 29	Within
Hugo	none detected	none detected	1 of 29	Within
Hutchinson	none detected	none detected	0 of 29	Within
International Falls	none detected	none detected	0 of 29	Within
Inver Grove Heights	none detected	none detected	2 of 29	Within
Isanti	none detected	none detected	0 of 29	Within
Jackson, MN	none detected	none detected	0 of 29	Within
Joint Powers Water Board	none detected	none detected	0 of 29	Within
Jordan	none detected	none detected	0 of 29	Within
Kasson	none detected	none detected	0 of 29	Within
Lac Qui Parle Valley School	none detected	none detected	0 of 29	Within
LaCrescent	none detected	none detected	0 of 29	Within
Lake City	none detected	none detected	1 of 29	Within
Lakeland Municipal Water	none detected	none detected	1 of 29	Within
Lakeville	none detected	none detected	0 of 29	Within
LeSueur	none detected	none detected	0 of 29	Within
Liberty Ponds Development	none detected	none detected	0 of 29	Within
Lincoln-Pipestone Rural Water System	none detected	none detected	0 of 29	Within
Lindstrom	none detected	none detected	0 of 29	Within
Lino Lakes	none detected	none detected	1 of 29	Within
Litchfield	none detected	none detected	0 of 29	Within
Little Canada	none detected	none detected	1 of 29	Within
Little Falls	none detected	none detected	1 of 29	Within
Long Prairie	none detected	none detected	0 of 29	Within
Lonsdale	none detected	none detected	0 of 29	Within
Luverne	none detected	none detected	0 of 29	Within
Mabel	none detected	none detected	0 of 29	Within
Mahtomedi	none detected	none detected	1 of 29	Within
Mankato	none detected	none detected	0 of 29	Within
Maple Grove	none detected	none detected	1 of 29	Within
Marshall, MN	none detected	none detected	1 of 29	Within
Medina	none detected	none detected	0 of 29	Within
Melrose	none detected	none detected	1 of 29	Within
Minneapolis	none detected	none detected	1 of 29	Within
Minnetonka	none detected	none detected	1 of 29	Within
Minnetrista	none detected	none detected	0 of 29	Within
Montevideo	none detected	none detected	0 of 29	Within
Monticello, MN	none detected	none detected	2 of 29	Within
Moorhead	none detected	none detected	1 of 29	Within
Mora	none detected	none detected	1 of 29	Within
Morris	none detected	none detected	0 of 29	Within
Mound	none detected	none detected	0 of 29	Within
Mounds View	none detected	none detected	0 of 29	Within
New Brighton	none detected	none detected	1 of 29	Within
New Hope	none detected	none detected	1 of 29	Within
New Prague	none detected	none detected	0 of 29	Within
New Ulm	none detected	none detected	0 of 29	Within
North Branch	none detected	none detected	0 of 29	Within
North Mankato	none detected	none detected	0 of 29	Within
Northfield, MN	none detected	none detected	1 of 29	Within
Norwood-Young America	none detected	none detected	0 of 29	Within
Oak Park Heights	none detected	none detected	5 of 29	Within
Oakdale	none detected	none detected	1 of 29	Within
Ortonville	none detected	none detected	0 of 29	Within
Otsego, MN	none detected	none detected	0 of 29	Within
Owatonna	none detected	none detected	0 of 29	Within
Park Rapids	none detected	none detected	0 of 29	Within
Perham	none detected	none detected	0 of 29	Within
Pine Island	none detected	none detected	0 of 29	Within
Pipestone	none detected	none detected	1 of 29	Within
Plainview	none detected	none detected	0 of 29	Within
Plymouth, MN	none detected	none detected	1 of 29	Within
Prior Lake	none detected	none detected	0 of 29	Within
Ramsey	none detected	none detected	1 of 29	Within
Ranier	none detected	none detected	0 of 29	Within
Red Rock Rural Water System	none detected	none detected	0 of 29	Within
Red Wing	none detected	none detected	0 of 29	Within
Redwood Falls	none detected	none detected	0 of 29	Within
Richfield	none detected	none detected	1 of 29	Within
Robbinsdale	none detected	none detected	2 of 29	Within
Rochester, MN	none detected	none detected	1 of 29	Within
Rockford	none detected	none detected	0 of 29	Within
Rogers	none detected	none detected	1 of 29	Within
Rosemount	none detected	none detected	1 of 29	Within
Roseville	none detected	none detected	1 of 29	Within
Saint Anthony Village	none detected	none detected	1 of 29	Within
Saint Charles	none detected	none detected	0 of 29	Within
Saint Clair	none detected	none detected	0 of 29	Within
Saint Cloud	none detected	none detected	1 of 29	Within
Saint Francis	none detected	none detected	0 of 29	Within
Saint James	none detected	none detected	0 of 29	Within
Saint Joseph	none detected	none detected	0 of 29	Within
Saint Louis Park	none detected	none detected	1 of 29	Within
Saint Paul Park	none detected	none detected	1 of 29	Within
Saint Paul Regional Water Services	none detected	none detected	2 of 29	Within
Saint Peter	none detected	none detected	0 of 29	Within
Sartell	none detected	none detected	1 of 29	Within
Sauk Centre	none detected	none detected	1 of 29	Within
Savage	none detected	none detected	0 of 29	Within
Shakopee	none detected	none detected	4 of 29	Within
Shoreview	none detected	none detected	1 of 29	Within
Shorewood	none detected	none detected	1 of 29	Within
Sleepy Eye	none detected	none detected	0 of 29	Within
Spring Lake Park	none detected	none detected	0 of 29	Within
Stewartville	none detected	none detected	0 of 29	Within
Thief River Falls	none detected	none detected	1 of 29	Within
Two Harbors	none detected	none detected	0 of 29	Within
Vadnais Heights	none detected	none detected	1 of 29	Within
Victoria	none detected	none detected	0 of 29	Within
Virginia	none detected	none detected	0 of 29	Within
Waconia	none detected	none detected	0 of 29	Within
Wadena	none detected	none detected	0 of 29	Within
Waseca	none detected	none detected	0 of 29	Within
Watertown	none detected	none detected	0 of 29	Within
Wayzata	none detected	none detected	1 of 29	Within
White Bear Lake	none detected	none detected	1 of 29	Within
Willmar	none detected	none detected	0 of 29	Within
Windom	none detected	none detected	0 of 29	Within
Winona	none detected	none detected	0 of 29	Within
Worthington	none detected	none detected	0 of 29	Within
Wyoming	none detected	none detected	0 of 29	Within
Zimmerman	none detected	none detected	1 of 29	Within

All 196 systems the EPA tested in Minnesota, every one of them with its own page. Each was tested for 29 PFAS compounds.

Other states

Graded water filters you can buy today

The best graded product in each filter type we cover.

We may earn a commission on these links, at no cost to you. It never changes a grade.

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