Oregon Water Quality Reports
Comprehensive water quality data for 256 cities across Oregon. View EPA-verified contaminant levels and get filter recommendations.
256
Cities
74
Safe
153
Monitor
29
At Risk
Water Quality by County
Explore aggregated water quality scores across Oregon counties. Scores are calculated based on EPA data and weighted by population.
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Data from 218 cities serving 10,442,781 people across 25 counties.
Common Contaminants in Oregon
182 cities in Oregon have at least one contaminant above EPA health guidelines.
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Upload my testCities in Oregon
West Haven-Sylvan
People Served911K
Contaminants Tested237
Above Guidelines2
View Report β
Portland
People Served680K
Contaminants Tested615
Above Guidelines4
View Report β
Dunthorpe
People Served637K
Contaminants Tested162
Above Guidelines2
View Report β
Maywood Park
People Served614K
Contaminants Tested80
Above Guidelines1
View Report β
West Slope
People Served308K
Contaminants Tested164
Above Guidelines2
View Report β
Hillsboro
People Served308K
Contaminants Tested254
Above Guidelines1
View Report β
Raleigh Hills
People Served302K
Contaminants Tested163
Above Guidelines2
View Report β
Beaverton
People Served297K
Contaminants Tested157
Above Guidelines1
View Report β
Cedar Hills
People Served297K
Contaminants Tested157
Above Guidelines1
View Report β
Marlene Village
People Served297K
Contaminants Tested157
Above Guidelines1
View Report β
Oak Hills
People Served297K
Contaminants Tested157
Above Guidelines1
View Report β
Garden Home-Whitford
People Served222K
Contaminants Tested85
Above Guidelines2
View Report β
Aloha
People Served217K
Contaminants Tested79
Above Guidelines1
View Report β
Bethany
People Served217K
Contaminants Tested79
Above Guidelines1
View Report β
Cedar Mill
People Served217K
Contaminants Tested79
Above Guidelines1
View Report β
Rockcreek
People Served217K
Contaminants Tested79
Above Guidelines1
View Report β
Four Corners
People Served214K
Contaminants Tested161
Above Guidelines2
View Report β
Hayesville
People Served202K
Contaminants Tested527
Above Guidelines8
View Report β
Salem
People Served201K
Contaminants Tested400
Above Guidelines4
View Report β
Eugene
People Served178K
Contaminants Tested1353
Above Guidelines6
View Report β
River Road
People Served176K
Contaminants Tested84
Above Guidelines1
View Report β
Santa Clara
People Served176K
Contaminants Tested84
Above Guidelines1
View Report β
Gresham
People Served150K
Contaminants Tested184
Above Guidelines4
View Report β
Oatfield
People Served132K
Contaminants Tested242
Above Guidelines0
View Report β
Gladstone
People Served123K
Contaminants Tested174
Above Guidelines0
View Report β
Central Point
People Served115K
Contaminants Tested315
Above Guidelines6
View Report β
Johnson City
People Served111K
Contaminants Tested166
Above Guidelines0
View Report β
Bend
People Served110K
Contaminants Tested897
Above Guidelines11
View Report β
Tetherow
People Served101K
Contaminants Tested154
Above Guidelines1
View Report β
Medford
People Served96K
Contaminants Tested605
Above Guidelines9
View Report β
White City
People Served95K
Contaminants Tested154
Above Guidelines2
View Report β
Wood Village
People Served95K
Contaminants Tested357
Above Guidelines5
View Report β
Jennings Lodge
People Served93K
Contaminants Tested167
Above Guidelines0
View Report β
Happy Valley
People Served92K
Contaminants Tested232
Above Guidelines1
View Report β
Durham
People Served91K
Contaminants Tested180
Above Guidelines3
View Report β
Wilsonville
People Served88K
Contaminants Tested161
Above Guidelines0
View Report β
Troutdale
People Served82K
Contaminants Tested171
Above Guidelines2
View Report β
Oregon City
People Served81K
Contaminants Tested159
Above Guidelines0
View Report β
Fairview
People Served75K
Contaminants Tested302
Above Guidelines3
View Report β
Metzger
People Served67K
Contaminants Tested85
Above Guidelines3
View Report β
West Linn
People Served67K
Contaminants Tested88
Above Guidelines0
View Report β
Bull Mountain
People Served63K
Contaminants Tested79
Above Guidelines2
View Report β
Tigard
People Served63K
Contaminants Tested79
Above Guidelines2
View Report β
Corvallis
People Served57K
Contaminants Tested640
Above Guidelines6
View Report β
Albany
People Served56K
Contaminants Tested854
Above Guidelines5
View Report β
Damascus
People Served51K
Contaminants Tested228
Above Guidelines1
View Report β
Deschutes River Woods
People Served41K
Contaminants Tested239
Above Guidelines3
View Report β
Oak Grove
People Served40K
Contaminants Tested154
Above Guidelines0
View Report β
Keizer
People Served39K
Contaminants Tested146
Above Guidelines1
View Report β
Bunker Hill
People Served35K
Contaminants Tested81
Above Guidelines1
View Report β
Coos Bay
People Served35K
Contaminants Tested81
Above Guidelines1
View Report β
Rivergrove
People Served32K
Contaminants Tested266
Above Guidelines3
View Report β
Roseburg North
People Served29K
Contaminants Tested80
Above Guidelines0
View Report β
Roseburg
People Served29K
Contaminants Tested80
Above Guidelines0
View Report β
Tualatin
People Served28K
Contaminants Tested101
Above Guidelines1
View Report β
Newberg
People Served27K
Contaminants Tested1212
Above Guidelines5
View Report β
Woodburn
People Served26K
Contaminants Tested380
Above Guidelines5
View Report β
Forest Grove
People Served25K
Contaminants Tested80
Above Guidelines1
View Report β
Ashland
People Served21K
Contaminants Tested303
Above Guidelines6
View Report β
Milwaukie
People Served21K
Contaminants Tested76
Above Guidelines0
View Report β
Lincoln City
People Served21K
Contaminants Tested80
Above Guidelines0
View Report β
Hermiston
People Served21K
Contaminants Tested461
Above Guidelines4
View Report β
Sherwood
People Served20K
Contaminants Tested217
Above Guidelines4
View Report β
Canby
People Served19K
Contaminants Tested303
Above Guidelines0
View Report β
Pendleton
People Served18K
Contaminants Tested409
Above Guidelines3
View Report β
The Dalles
People Served17K
Contaminants Tested457
Above Guidelines4
View Report β
Dallas
People Served17K
Contaminants Tested80
Above Guidelines1
View Report β
Astoria
People Served16K
Contaminants Tested314
Above Guidelines2
View Report β
Lebanon
People Served16K
Contaminants Tested258
Above Guidelines0
View Report β
South Lebanon
People Served16K
Contaminants Tested168
Above Guidelines0
View Report β
Crooked River Ranch
People Served16K
Contaminants Tested149
Above Guidelines1
View Report β
Winston
People Served15K
Contaminants Tested193
Above Guidelines1
View Report β
Florence
People Served14K
Contaminants Tested156
Above Guidelines1
View Report β
Heceta Beach
People Served14K
Contaminants Tested156
Above Guidelines1
View Report β
Ontario
People Served14K
Contaminants Tested80
Above Guidelines1
View Report β
Beavercreek
People Served14K
Contaminants Tested78
Above Guidelines2
View Report β
Monmouth
People Served14K
Contaminants Tested155
Above Guidelines1
View Report β
La Grande
People Served14K
Contaminants Tested227
Above Guidelines3
View Report β
St. Helens
People Served13K
Contaminants Tested20
Above Guidelines2
View Report β
Cornelius
People Served13K
Contaminants Tested156
Above Guidelines0
View Report β
Sandy
People Served11K
Contaminants Tested93
Above Guidelines3
View Report β
Prineville
People Served11K
Contaminants Tested703
Above Guidelines12
View Report β
Silverton
People Served11K
Contaminants Tested225
Above Guidelines1
View Report β
Cottage Grove
People Served11K
Contaminants Tested431
Above Guidelines3
View Report β
Independence
People Served10K
Contaminants Tested94
Above Guidelines1
View Report β
Newport
People Served10K
Contaminants Tested250
Above Guidelines2
View Report β
Baker City
People Served10K
Contaminants Tested78
Above Guidelines0
View Report β
Eagle Point
People Served10K
Contaminants Tested8
Above Guidelines1
View Report β
Sweet Home
People Served9K
Contaminants Tested80
Above Guidelines0
View Report β
Molalla
People Served9K
Contaminants Tested229
Above Guidelines1
View Report β
Warrenton
People Served9K
Contaminants Tested79
Above Guidelines1
View Report β
Stayton
People Served8K
Contaminants Tested81
Above Guidelines1
View Report β
Umatilla
People Served8K
Contaminants Tested229
Above Guidelines0
View Report β
Brookings
People Served7K
Contaminants Tested311
Above Guidelines2
View Report β
Myrtle Creek
People Served7K
Contaminants Tested383
Above Guidelines0
View Report β
Seaside
People Served7K
Contaminants Tested80
Above Guidelines1
View Report β
Green
People Served7K
Contaminants Tested96
Above Guidelines0
View Report β
Springfield
People Served6K
Contaminants Tested80
Above Guidelines2
View Report β
Talent
People Served6K
Contaminants Tested8
Above Guidelines1
View Report β
Seal Rock
People Served6K
Contaminants Tested8
Above Guidelines0
View Report β
Showing top 100 of 256 cities by population.
Use the search box above to find any city in Oregon.
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