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OR tap water quality, city by city
288 cities and towns in OR are served by an active community water system in the EPA's records. Each page below translates that system's EPA-reported history into plain English.
According to EPA SDWIS data, retrieved June 2026.
- Adair Village
- Adams
- Adrian
- Albany
- Aloha
- Alsea
- Amity
- Antelope
- Applegate
- Arch Cape
- Arlington
- Ashland
- Astoria
- Athena
- Aumsville
- Aurora
- Baker City
- Bandon
- Banks
- Bay City
- Beaverton
- Bend
- Birkenfeld
- Blue River
- Bly
- Boardman
- Boring
- Brightwood
- Brookings
- Brownsville
- Burns
- Butte Falls
- Camp Sherman
- Canby
- Cannon Beach
- Canyon City
- Canyonville
- Carlton
- Cascade Locks
- Cave Junction
- Central Point
- Chiloquin
- Christmas Valley
- Clackamas
- Clatskanie
- Cloverdale
- Coburg
- Colton
- Columbia City
- Condon
- Coos Bay
- Coquille
- Corbett
- Cornelius
- Corvallis
- Cottage Grove
- Cove
- Crater Lake
- Crescent
- Creswell
- Dallas
- Damascus
- Days Creek
- Dayton
- Dayville
- Depoe Bay
- Detroit
- Dexter
- Donald
- Dorena
- Drain
- Dufur
- Dundee
- Eagle Creek
- Eagle Point
- Echo
- Elgin
- Elkton
- Enterprise
- Estacada
- Eugene
- Fairview
- Falls City
- Florence
- Forest Grove
- Fossil
- Garibaldi
- Gaston
- Gates
- Gearhart
- Gervais
- Gilcrest
- Gladstone
- Glendale
- Gleneden Beach
- Glide
- Gold Beach
- Gold Hill
- Government Camp
- Grand Ronde
- Grants Pass
- Grass Valley
- Gresham
- Haines
- Halfway
- Halsey
- Happy Valley
- Harbor
- Harrisburg
- Hebo
- Helix
- Heppner
- Hermiston
- Hillsboro
- Hines
- Hood River
- Hubbard
- Huntington
- Idanha
- Idleyld
- Idleyld Park
- Imbler
- Independence
- Ione
- Irrigon
- Island City
- Jacksonville
- Jefferson
- John Day
- Jordan Valley
- Joseph
- Junction City
- Keizer
- Keno
- Klamath Falls
- La Grande
- La Pine
- Lafayette
- Lake Oswego
- Lakeside
- Lakeview
- Langlois
- Leaburg
- Lebanon
- Lexington
- Lincoln City
- Long Creek
- Lostine
- Lowell
- Lyons
- Madras
- Malin
- Manzanita
- Mapleton
- Marcola
- Maupin
- Mcminnville
- Mcminville
- Medford
- Merlin
- Mill City
- Milton-Freewater
- Milwaukie
- Mitchell
- Molalla
- Monmouth
- Monument
- Moro
- Mount Vernon
- Mt. Angel
- Mulino
- Myrtle Creek
- Myrtle Point
- Nehalem
- Neskowin
- Netarts
- Newberg
- Newport
- North Bend
- North Plains
- North Powder
- Nyssa
- Oakland
- Oakridge
- Oceanside
- Odell
- Ontario
- Ophir
- Oregon City
- Otis
- Otter Rock
- Oxbow
- Pacific City
- Paisley
- Parkdale
- Pendleton
- Philomath
- Phoenix
- Pilot Rock
- Port Orford
- Portland
- Portland
- Powers
- Prairie City
- Prineville
- Prospect
- Rainier
- Redmond
- Reedsport
- Rhododendron
- Richland
- Rickreall
- Riddle
- Rockaway Beach
- Rogue River
- Roseburg
- Rufus
- Salem
- Sandy
- Scappoose
- Scio
- Scotts Mills
- Seal Rock
- Seaside
- Seneca
- Shady Cove
- Shaniko
- Sheridan
- Sherwood
- Siletz
- Silverton
- Sisters
- Sprague River
- Spray
- Springfield
- St Benedictine
- St Helens
- St. Helens
- Stanfield
- Stayton
- Sublimity
- Sumpter
- Sunriver
- Sutherlin
- Sweet Home
- Talent
- Tangent
- Tenmile
- Terrebonne
- The Dalles
- Tidewater
- Tigard
- Tillamook
- Timber
- Toledo
- Troutdale
- Tualatin
- Turner
- Tygh Valley
- Ukiah
- Umatilla
- Union
- Unity
- Vale
- Veneta
- Vernonia
- Waldport
- Wallowa
- Walterville
- Wamic
- Warm Springs
- Warrenton
- Wasco
- Welches
- West Linn
- Westfir
- Weston
- Westport
- Wheeler
- White City
- Willamina
- Wilsonville
- Winston
- Wood Village
- Woodburn
- Yachats
- Yamhill
- Yoncalla