Oregon Water Quality Reports

Comprehensive water quality data for 255 cities across Oregon. View EPA-verified contaminant levels and get filter recommendations.

255

Cities

48

Safe

176

Monitor

0

At Risk

4

Limited testing

27

No Test Data

→ Search by ZIP code instead

Oregon water quality ranking EPA-certified testing labs Water utilities in Oregon

Water Quality by County

Explore aggregated water quality scores across Oregon counties. Scores are calculated based on EPA data and weighted by population.

Loading map...

Data from 223 cities serving 3,017,068 people across 32 counties.

Common Contaminants in Oregon

67 cities in Oregon have at least one contaminant above EPA health guidelines.

Arsenic(31 cities)E. coli(15 cities)Uranium(7 cities)Perfluorooctanesulfonic acid(6 cities)Radium, combined (-226 & -228)(5 cities)Gross Alpha (Excl. Radon and Uranium)(5 cities)

Worried about Arsenic in your water?

Upload your water test (PDF or a photo) and we'll email a plain-English reading of your Arsenic result — and every other number — free. Educational only, no medical claims.

Your upload also helps us keep local water data accurate — we only ever share anonymized, area-level summaries.

Cities in Oregon

Dunthorpe

People Served614K

99 results on file

Above Guidelines0

View Report →

Maywood Park

People Served614K

99 results on file

Above Guidelines0

View Report →

Portland

People Served614K

99 results on file

Above Guidelines0

View Report →

West Haven-Sylvan

People Served614K

99 results on file

Above Guidelines0

View Report →

Aloha

People Served217K

99 results on file

Above Guidelines0

View Report →

Bethany

People Served217K

99 results on file

Above Guidelines0

View Report →

Cedar Hills

People Served217K

99 results on file

Above Guidelines0

View Report →

Cedar Mill

People Served217K

99 results on file

Above Guidelines0

View Report →

Garden Home-Whitford

People Served217K

99 results on file

Above Guidelines0

View Report →

Marlene Village

People Served217K

99 results on file

Above Guidelines0

View Report →

Oak Hills

People Served217K

99 results on file

Above Guidelines0

View Report →

Raleigh Hills

People Served217K

99 results on file

Above Guidelines0

View Report →

Rockcreek

People Served217K

99 results on file

Above Guidelines0

View Report →

Four Corners

People Served200K

104 results on file

Above Guidelines0

View Report →

Hayesville

People Served200K

104 results on file

Above Guidelines0

View Report →

Salem

People Served200K

104 results on file

Above Guidelines0

View Report →

Eugene

People Served176K

103 results on file

Above Guidelines0

View Report →

River Road

People Served176K

103 results on file

Above Guidelines0

View Report →

Santa Clara

People Served176K

103 results on file

Above Guidelines0

View Report →

Medford

People Served95K

102 results on file

Above Guidelines0

View Report →

White City

People Served95K

102 results on file

Above Guidelines0

View Report →

Hillsboro

People Served91K

29 results on file

Above Guidelines0

View Report →

Beaverton

People Served80K

79 results on file

Above Guidelines0

View Report →

Gresham

People Served74K

28 results on file

Above Guidelines0

View Report →

Bend

People Served69K

99 results on file

Above Guidelines1

View Report →

Tetherow

People Served69K

99 results on file

Above Guidelines1

View Report →

Bull Mountain

People Served63K

99 results on file

Above Guidelines1

View Report →

Durham

People Served63K

99 results on file

Above Guidelines1

View Report →

Metzger

People Served63K

99 results on file

Above Guidelines1

View Report →

Tigard

People Served63K

99 results on file

Above Guidelines1

View Report →

Springfield

People Served62K

100 results on file

Above Guidelines1

View Report →

Corvallis

People Served56K

102 results on file

Above Guidelines1

View Report →

Albany

People Served55K

101 results on file

Above Guidelines0

View Report →

Damascus

People Served50K

98 results on file

Above Guidelines2

View Report →

Happy Valley

People Served50K

98 results on file

Above Guidelines2

View Report →

Jennings Lodge

People Served41K

94 results on file

Above Guidelines0

View Report →

Johnson City

People Served41K

94 results on file

Above Guidelines0

View Report →

Oatfield

People Served41K

94 results on file

Above Guidelines0

View Report →

Lake Oswego

People Served40K

84 results on file

Above Guidelines0

View Report →

Oak Grove

People Served40K

84 results on file

Above Guidelines0

View Report →

Keizer

People Served39K

94 results on file

Above Guidelines1

View Report →

Redmond

People Served38K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Bunker Hill

People Served35K

81 results on file

Above Guidelines0

View Report →

Coos Bay

People Served35K

81 results on file

Above Guidelines0

View Report →

Oregon City

People Served34K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Deschutes River Woods

People Served32K

94 results on file

Above Guidelines1

View Report →

Roseburg North

People Served29K

96 results on file

Above Guidelines0

View Report →

Roseburg

People Served29K

96 results on file

Above Guidelines0

View Report →

Tualatin

People Served28K

99 results on file

Above Guidelines0

View Report →

West Linn

People Served27K

27 results on file

Above Guidelines0

View Report →

Woodburn

People Served26K

96 results on file

Above Guidelines1

View Report →

Wilsonville

People Served26K

102 results on file

Above Guidelines0

View Report →

Forest Grove

People Served25K

83 results on file

Above Guidelines0

View Report →

Newberg

People Served25K

79 results on file

Above Guidelines0

View Report →

Milwaukie

People Served21K

97 results on file

Above Guidelines1

View Report →

Lincoln City

People Served21K

87 results on file

Above Guidelines0

View Report →

Ashland

People Served21K

100 results on file

Above Guidelines0

View Report →

Sherwood

People Served20K

94 results on file

Above Guidelines0

View Report →

Central Point

People Served20K

27 results on file

Above Guidelines0

View Report →

Hermiston

People Served20K

101 results on file

Above Guidelines2

View Report →

Canby

People Served19K

96 results on file

Above Guidelines0

View Report →

Pendleton

People Served17K

100 results on file

Above Guidelines2

View Report →

Dallas

People Served17K

87 results on file

Above Guidelines0

View Report →

Troutdale

People Served16K

96 results on file

Above Guidelines0

View Report →

Lebanon

People Served16K

83 results on file

Above Guidelines0

View Report →

South Lebanon

People Served16K

83 results on file

Above Guidelines0

View Report →

Ontario

People Served14K

99 results on file

Above Guidelines1

View Report →

Beavercreek

People Served14K

97 results on file

Above Guidelines1

View Report →

La Grande

People Served13K

97 results on file

Above Guidelines1

View Report →

St. Helens

People Served13K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Cornelius

People Served13K

99 results on file

Above Guidelines0

View Report →

The Dalles

People Served12K

99 results on file

Above Guidelines0

View Report →

Gladstone

People Served12K

28 results on file

Above Guidelines0

View Report →

Sandy

People Served11K

83 results on file

Above Guidelines0

View Report →

Monmouth

People Served11K

82 results on file

Above Guidelines0

View Report →

West Slope

People Served11K

28 results on file

Above Guidelines0

View Report →

Silverton

People Served10K

99 results on file

Above Guidelines0

View Report →

Independence

People Served10K

94 results on file

Above Guidelines0

View Report →

Astoria

People Served10K

85 results on file

Above Guidelines1

View Report →

Newport

People Served10K

83 results on file

Above Guidelines1

View Report →

Cottage Grove

People Served10K

82 results on file

Above Guidelines1

View Report →

Baker City

People Served10K

93 results on file

Above Guidelines0

View Report →

Prineville

People Served10K

97 results on file

Above Guidelines1

View Report →

Florence

People Served10K

78 results on file

Above Guidelines0

View Report →

Heceta Beach

People Served10K

78 results on file

Above Guidelines0

View Report →

Eagle Point

People Served10K

27 results on file

Above Guidelines0

View Report →

Sweet Home

People Served9K

82 results on file

Above Guidelines0

View Report →

Fairview

People Served9K

96 results on file

Above Guidelines1

View Report →

Molalla

People Served9K

81 results on file

Above Guidelines0

View Report →

Warrenton

People Served9K

83 results on file

Above Guidelines1

View Report →

Scappoose

People Served9K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Winston

People Served8K

97 results on file

Above Guidelines0

View Report →

Stayton

People Served8K

82 results on file

Above Guidelines1

View Report →

Umatilla

People Served8K

96 results on file

Above Guidelines0

View Report →

Brookings

People Served7K

78 results on file

Above Guidelines0

View Report →

Seaside

People Served7K

85 results on file

Above Guidelines1

View Report →

Green

People Served7K

81 results on file

Above Guidelines0

View Report →

Talent

People Served6K

27 results on file

Above Guidelines0

View Report →

Seal Rock

People Served6K

28 results on file

Above Guidelines0

View Report →

Gleneden Beach

People Served6K

82 results on file

Above Guidelines1

View Report →

Showing top 100 of 255 cities by population.

Use the search box above to find any city in Oregon.

Get the Weekly Water Brief

One email a week on water testing, treatment, and what water-quality data means for your home.

One email a week. Unsubscribe anytime.