PFAS in Oregon tap water

11 of 127 tested systems measured above the federal limit. 18 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
Hermiston, City of	none detected	12 ppt	5 of 29	Above
Ruch Elementary Sd 549	9.3 ppt	10.6 ppt	8 of 29	Above
Klamath Falls Water Dept	none detected	9.5 ppt	3 of 29	Above
Rainbow Water District	4.2 ppt	9.4 ppt	3 of 29	Above
Bend Water Department	7.9 ppt	none detected	4 of 29	Above
Milton-freewater, City of	none detected	7.2 ppt	2 of 29	Above
Milwaukie, City of	none detected	7 ppt	1 of 29	Above
Marcola Water District	none detected	6.8 ppt	2 of 29	Above
Dundee, City of	none detected	5.4 ppt	1 of 29	Above
Sunrise Water Authority	none detected	4.3 ppt	1 of 29	Above
Springfield Utility Board	4.1 ppt	none detected	5 of 29	Above
Adair Village Water System	none detected	none detected	0 of 29	Within
Albany, City of	none detected	none detected	0 of 29	Within
Ashland Water Department	none detected	none detected	0 of 29	Within
Astoria, City of	none detected	none detected	0 of 29	Within
Aumsville, City of	none detected	none detected	0 of 29	Within
Avion Wc - Greater Avion	none detected	none detected	0 of 29	Within
Baker City	none detected	none detected	0 of 29	Within
Bandon, City of	none detected	none detected	0 of 29	Within
Beaverton, City of	none detected	none detected	0 of 29	Within
Bethany Elementary School	none detected	none detected	0 of 29	Within
Boardman, City of	none detected	none detected	0 of 29	Within
Brookings, City of	none detected	none detected	0 of 29	Within
Canby Utility	none detected	none detected	0 of 29	Within
Central Point, City of	none detected	none detected	0 of 29	Within
Chemical Waste Mgt of NW Inc	none detected	none detected	0 of 29	Within
Chenowith Pud	none detected	none detected	0 of 29	Within
Clackamas River Water - Clackamas	none detected	none detected	0 of 29	Within
Clackamas River Water - Clairmont	none detected	none detected	0 of 29	Within
Coos Bay North Bend Wtr Brd	none detected	none detected	0 of 29	Within
Coquille, City of	none detected	none detected	0 of 29	Within
Corbett Water District	none detected	none detected	0 of 29	Within
Cornelius, City of	none detected	none detected	0 of 29	Within
Corvallis, City of	none detected	none detected	0 of 29	Within
Cottage Grove, City of	none detected	none detected	0 of 29	Within
Creswell, City of	none detected	none detected	0 of 29	Within
Crooked River Ranch Wtr Co	none detected	none detected	0 of 29	Within
Crystal Springs Water District	none detected	none detected	0 of 29	Within
Dallas, City of	none detected	none detected	0 of 29	Within
Deschutes Valley Water Dist	none detected	none detected	0 of 29	Within
Donald, City of	none detected	none detected	0 of 29	Within
Eagle Point, City of	none detected	none detected	0 of 29	Within
Estacada, City of	none detected	none detected	1 of 29	Within
Eugene Water & Electric Board	none detected	none detected	0 of 29	Within
Fairview, City of	none detected	none detected	0 of 29	Within
Falls City Or, City of	none detected	none detected	0 of 29	Within
Florence, City of	none detected	none detected	0 of 29	Within
Forest Grove, City of	none detected	none detected	0 of 29	Within
Gladstone, City of	none detected	none detected	0 of 29	Within
Grants Pass, City of	none detected	none detected	0 of 29	Within
Green Area Water & Sanitary Authority	none detected	none detected	0 of 29	Within
Gresham, City of	none detected	none detected	0 of 29	Within
Harrisburg, City of	none detected	none detected	0 of 29	Within
Heceta Water Peoples Utility District	none detected	none detected	0 of 29	Within
Hillsboro, City of	none detected	none detected	0 of 29	Within
Hood River, City of	none detected	none detected	0 of 29	Within
Hubbard, City of	none detected	none detected	0 of 29	Within
Ice Fountain Water District	none detected	none detected	0 of 29	Within
Independence Water System	none detected	none detected	1 of 29	Within
Keizer, City of	none detected	none detected	1 of 29	Within
Kernville-gleneden-linc Bch Wd	none detected	none detected	0 of 29	Within
La Grande, City of	none detected	none detected	0 of 29	Within
Lafayette, City of	none detected	none detected	0 of 29	Within
Lake Oswego Municipal Water	none detected	none detected	0 of 29	Within
Lakeview, City of	none detected	none detected	0 of 29	Within
Lebanon, City of	none detected	none detected	0 of 29	Within
Lincoln City Water District	none detected	none detected	0 of 29	Within
Madras, City of	none detected	none detected	0 of 29	Within
Mcminnville Water & Light	none detected	none detected	0 of 29	Within
Medford Water Commission	none detected	none detected	0 of 29	Within
Molalla, City of	none detected	none detected	1 of 29	Within
Monmouth, City of	none detected	none detected	0 of 29	Within
Mount Angel, City of	none detected	none detected	0 of 29	Within
Myrtle Creek, City of	none detected	none detected	0 of 29	Within
Newberg, City of	none detected	none detected	0 of 29	Within
Newport, City of	none detected	none detected	0 of 29	Within
Oak Lodge Water Services	none detected	none detected	0 of 29	Within
Ontario, City of	none detected	none detected	0 of 29	Within
Oregon City, Or	none detected	none detected	0 of 29	Within
Oregon Institute of Technology	none detected	none detected	0 of 29	Within
Pendleton, City of	none detected	none detected	1 of 29	Within
Philomath Public Works	none detected	none detected	0 of 29	Within
Phoenix, City of	none detected	none detected	0 of 29	Within
Pleasant View Water Co	none detected	none detected	0 of 29	Within
Portland Water Bureau	none detected	none detected	0 of 29	Within
Prineville, City of	none detected	none detected	0 of 29	Within
Raleigh Water District	none detected	none detected	0 of 29	Within
Redmond Water Department	none detected	none detected	0 of 29	Within
Reedsport, City of	none detected	none detected	0 of 29	Within
Rivergrove Water District	none detected	none detected	0 of 29	Within
Roats Water System	none detected	none detected	0 of 29	Within
Roats Woodside Ranch Ws	none detected	none detected	0 of 29	Within
Rockwood Pud	none detected	none detected	0 of 29	Within
Roseburg, City of	none detected	none detected	0 of 29	Within
Salem Public Works	none detected	none detected	0 of 29	Within
Sandy, City of	none detected	none detected	0 of 29	Within
Scappoose, City of	none detected	none detected	0 of 29	Within
Seal Rock Water District	none detected	none detected	0 of 29	Within
Seaside Water Department	none detected	none detected	0 of 29	Within
Sheridan Or, City of	none detected	none detected	0 of 29	Within
Sherwood, City of	none detected	none detected	2 of 29	Within
Silverton, City of	none detected	none detected	0 of 29	Within
St Helens, City of	none detected	none detected	1 of 29	Within
Stayton Water Supply	none detected	none detected	0 of 29	Within
Suburban East Salem Wd	none detected	none detected	0 of 29	Within
Sunriver Water Llc/sunriver Utilities	none detected	none detected	0 of 29	Within
Sutherlin, City of	none detected	none detected	0 of 29	Within
Sweet Home, City of	none detected	none detected	0 of 29	Within
Talent, City of	none detected	none detected	0 of 29	Within
The Dalles, City of	none detected	none detected	0 of 29	Within
Tigard, City of	none detected	none detected	0 of 29	Within
Tillamook Water Dept, City of	none detected	none detected	0 of 29	Within
Toledo Water Utilities	none detected	none detected	0 of 29	Within
Tri-city Jw&sa	none detected	none detected	0 of 29	Within
Troutdale, City of	none detected	none detected	0 of 29	Within
Tualatin Valley Water District	none detected	none detected	0 of 29	Within
Tualatin, City of	none detected	none detected	0 of 29	Within
Umatilla, City of	none detected	none detected	0 of 29	Within
Umpqua Basin Water Assoc	none detected	none detected	0 of 29	Within
Veneta, City of	none detected	none detected	0 of 29	Within
Warrenton, City of	none detected	none detected	0 of 29	Within
West Linn, City of	none detected	none detected	0 of 29	Within
West Slope Water District	none detected	none detected	0 of 29	Within
Wilsonville, City of	none detected	none detected	0 of 29	Within
Winston-dillard Water District	none detected	none detected	0 of 29	Within
Wood Village, City of	none detected	none detected	0 of 29	Within
Woodburn, City of	none detected	none detected	0 of 29	Within

All 127 systems the EPA tested in Oregon, 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 →