Iowa Water Quality Reports
Comprehensive water quality data for 412 cities across Iowa. View EPA-verified contaminant levels and get filter recommendations.
412
Cities
30
Safe
226
Monitor
156
At Risk
Water Quality by County
Explore aggregated water quality scores across Iowa counties. Scores are calculated based on EPA data and weighted by population.
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Data from 30 cities serving 1,319,667 people across 22 counties.
Cities in Iowa
Council Bluffs
People Served627K
Contaminants Tested239
Above Guidelines8
View Report β
Carter Lake
People Served567K
Contaminants Tested297
Above Guidelines9
View Report β
Crescent
People Served562K
Contaminants Tested150
Above Guidelines5
View Report β
Ankeny
People Served315K
Contaminants Tested342
Above Guidelines13
View Report β
West Des Moines
People Served314K
Contaminants Tested214
Above Guidelines4
View Report β
Saylorville
People Served313K
Contaminants Tested166
Above Guidelines5
View Report β
Urbandale
People Served291K
Contaminants Tested131
Above Guidelines8
View Report β
Altoona
People Served271K
Contaminants Tested185
Above Guidelines9
View Report β
Johnston
People Served270K
Contaminants Tested183
Above Guidelines9
View Report β
Waukee
People Served269K
Contaminants Tested116
Above Guidelines5
View Report β
Clive
People Served264K
Contaminants Tested116
Above Guidelines5
View Report β
Norwalk
People Served258K
Contaminants Tested113
Above Guidelines4
View Report β
Bondurant
People Served253K
Contaminants Tested114
Above Guidelines5
View Report β
Polk City
People Served251K
Contaminants Tested166
Above Guidelines4
View Report β
Mitchellville
People Served248K
Contaminants Tested169
Above Guidelines4
View Report β
Elkhart
People Served246K
Contaminants Tested174
Above Guidelines3
View Report β
Pleasant Hill
People Served245K
Contaminants Tested113
Above Guidelines4
View Report β
Cumming
People Served245K
Contaminants Tested113
Above Guidelines4
View Report β
Alleman
People Served245K
Contaminants Tested97
Above Guidelines2
View Report β
Des Moines
People Served245K
Contaminants Tested97
Above Guidelines2
View Report β
Runnells
People Served245K
Contaminants Tested97
Above Guidelines2
View Report β
Windsor Heights
People Served245K
Contaminants Tested97
Above Guidelines2
View Report β
Marion
People Served184K
Contaminants Tested222
Above Guidelines6
View Report β
Cedar Rapids
People Served184K
Contaminants Tested539
Above Guidelines8
View Report β
Hiawatha
People Served149K
Contaminants Tested215
Above Guidelines6
View Report β
Davenport
People Served148K
Contaminants Tested294
Above Guidelines3
View Report β
Bertram
People Served141K
Contaminants Tested131
Above Guidelines3
View Report β
Fairfax
People Served141K
Contaminants Tested131
Above Guidelines3
View Report β
Robins
People Served141K
Contaminants Tested131
Above Guidelines3
View Report β
Shueyville
People Served141K
Contaminants Tested131
Above Guidelines3
View Report β
Iowa City
People Served98K
Contaminants Tested634
Above Guidelines17
View Report β
Ames
People Served92K
Contaminants Tested111
Above Guidelines4
View Report β
Sioux City
People Served86K
Contaminants Tested89
Above Guidelines7
View Report β
Evansdale
People Served74K
Contaminants Tested161
Above Guidelines2
View Report β
Waterloo
People Served69K
Contaminants Tested89
Above Guidelines2
View Report β
University Heights
People Served69K
Contaminants Tested86
Above Guidelines3
View Report β
Asbury
People Served66K
Contaminants Tested138
Above Guidelines4
View Report β
Dubuque
People Served60K
Contaminants Tested447
Above Guidelines10
View Report β
Sageville
People Served60K
Contaminants Tested69
Above Guidelines2
View Report β
Cedar Falls
People Served41K
Contaminants Tested70
Above Guidelines2
View Report β
Indianola
People Served35K
Contaminants Tested90
Above Guidelines3
View Report β
Centerville
People Served32K
Contaminants Tested90
Above Guidelines2
View Report β
Creston
People Served29K
Contaminants Tested135
Above Guidelines7
View Report β
Burlington
People Served26K
Contaminants Tested89
Above Guidelines3
View Report β
Muscatine
People Served25K
Contaminants Tested614
Above Guidelines8
View Report β
Coralville
People Served23K
Contaminants Tested135
Above Guidelines2
View Report β
Fort Madison
People Served22K
Contaminants Tested104
Above Guidelines2
View Report β
North Liberty
People Served21K
Contaminants Tested126
Above Guidelines5
View Report β
Oskaloosa
People Served20K
Contaminants Tested137
Above Guidelines6
View Report β
Spencer
People Served18K
Contaminants Tested130
Above Guidelines7
View Report β
Grimes
People Served17K
Contaminants Tested95
Above Guidelines3
View Report β
Webster City
People Served17K
Contaminants Tested97
Above Guidelines4
View Report β
Knoxville
People Served15K
Contaminants Tested139
Above Guidelines2
View Report β
Brooklyn
People Served14K
Contaminants Tested17
Above Guidelines8
View Report β
Boone
People Served13K
Contaminants Tested97
Above Guidelines9
View Report β
Bouton
People Served13K
Contaminants Tested86
Above Guidelines6
View Report β
Lakeside
People Served12K
Contaminants Tested97
Above Guidelines2
View Report β
Storm Lake
People Served12K
Contaminants Tested164
Above Guidelines4
View Report β
Denison
People Served11K
Contaminants Tested110
Above Guidelines6
View Report β
Mount Pleasant
People Served11K
Contaminants Tested86
Above Guidelines4
View Report β
Le Mars
People Served11K
Contaminants Tested75
Above Guidelines4
View Report β
Lemars
People Served11K
Contaminants Tested75
Above Guidelines4
View Report β
Pella
People Served10K
Contaminants Tested71
Above Guidelines5
View Report β
Waverly
People Served10K
Contaminants Tested69
Above Guidelines3
View Report β
Carroll
People Served10K
Contaminants Tested72
Above Guidelines2
View Report β
Keokuk
People Served10K
Contaminants Tested87
Above Guidelines3
View Report β
Grinnell
People Served10K
Contaminants Tested140
Above Guidelines5
View Report β
Fairfield
People Served9K
Contaminants Tested71
Above Guidelines2
View Report β
Sioux Center
People Served8K
Contaminants Tested73
Above Guidelines4
View Report β
Beacon
People Served8K
Contaminants Tested69
Above Guidelines3
View Report β
Perry
People Served8K
Contaminants Tested70
Above Guidelines1
View Report β
Clear Lake
People Served8K
Contaminants Tested139
Above Guidelines3
View Report β
Charles City
People Served7K
Contaminants Tested71
Above Guidelines0
View Report β
Nevada
People Served7K
Contaminants Tested67
Above Guidelines3
View Report β
Eldridge
People Served7K
Contaminants Tested128
Above Guidelines3
View Report β
Orange City
People Served6K
Contaminants Tested73
Above Guidelines4
View Report β
Spirit Lake
People Served6K
Contaminants Tested85
Above Guidelines2
View Report β
Elk Run Heights
People Served6K
Contaminants Tested89
Above Guidelines2
View Report β
Sheldon
People Served6K
Contaminants Tested79
Above Guidelines6
View Report β
Glenwood
People Served5K
Contaminants Tested142
Above Guidelines5
View Report β
Tiffin
People Served5K
Contaminants Tested136
Above Guidelines3
View Report β
Tama
People Served5K
Contaminants Tested156
Above Guidelines4
View Report β
Manning
People Served5K
Contaminants Tested139
Above Guidelines6
View Report β
Sergeant Bluff
People Served5K
Contaminants Tested82
Above Guidelines2
View Report β
Madrid
People Served5K
Contaminants Tested120
Above Guidelines8
View Report β
Luther
People Served5K
Contaminants Tested17
Above Guidelines3
View Report β
Huxley
People Served5K
Contaminants Tested87
Above Guidelines2
View Report β
Lisbon
People Served5K
Contaminants Tested20
Above Guidelines3
View Report β
Forest City
People Served4K
Contaminants Tested68
Above Guidelines3
View Report β
Carlisle
People Served4K
Contaminants Tested85
Above Guidelines2
View Report β
West Liberty
People Served4K
Contaminants Tested69
Above Guidelines4
View Report β
Solon
People Served4K
Contaminants Tested489
Above Guidelines12
View Report β
Waukon
People Served4K
Contaminants Tested20
Above Guidelines6
View Report β
Eagle Grove
People Served4K
Contaminants Tested138
Above Guidelines3
View Report β
Albia
People Served4K
Contaminants Tested18
Above Guidelines2
View Report β
Emmetsburg
People Served4K
Contaminants Tested71
Above Guidelines2
View Report β
Greenfield
People Served4K
Contaminants Tested104
Above Guidelines6
View Report β
Osage
People Served4K
Contaminants Tested70
Above Guidelines4
View Report β
New Hampton
People Served3K
Contaminants Tested68
Above Guidelines4
View Report β
Tipton
People Served3K
Contaminants Tested136
Above Guidelines2
View Report β
Showing top 100 of 412 cities by population.
Use the search box above to find any city in Iowa.
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