Iowa Water Quality Reports

Comprehensive water quality data for 411 cities across Iowa. View EPA-verified contaminant levels and get filter recommendations.

411

Cities

30

Safe

263

Monitor

118

At Risk

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

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 326 cities serving 9,193,092 people across 74 counties.

Common Contaminants in Iowa

381 cities in Iowa have at least one contaminant above EPA health guidelines.

Bromodichloromethane(324 cities)Dichloroacetic Acid (DCA)(266 cities)Bromoform(136 cities)Lead(92 cities)Gross Alpha Activity(88 cities)Radium, combined (-226 & -228)(75 cities)

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Cities in Iowa

Council Bluffs

People Served627K

Contaminants Tested285

Above Guidelines3

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Carter Lake

People Served567K

Contaminants Tested343

Above Guidelines3

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Crescent

People Served562K

Contaminants Tested173

Above Guidelines3

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Ankeny

People Served315K

Contaminants Tested365

Above Guidelines3

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West Des Moines

People Served314K

Contaminants Tested214

Above Guidelines2

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Saylorville

People Served313K

Contaminants Tested189

Above Guidelines3

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Urbandale

People Served291K

Contaminants Tested154

Above Guidelines3

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Altoona

People Served271K

Contaminants Tested231

Above Guidelines4

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Johnston

People Served270K

Contaminants Tested206

Above Guidelines4

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Waukee

People Served269K

Contaminants Tested139

Above Guidelines3

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Clive

People Served264K

Contaminants Tested139

Above Guidelines3

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Norwalk

People Served258K

Contaminants Tested136

Above Guidelines2

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Bondurant

People Served253K

Contaminants Tested137

Above Guidelines3

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Polk City

People Served251K

Contaminants Tested189

Above Guidelines2

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Mitchellville

People Served248K

Contaminants Tested169

Above Guidelines2

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Elkhart

People Served246K

Contaminants Tested174

Above Guidelines2

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Pleasant Hill

People Served245K

Contaminants Tested113

Above Guidelines2

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Cumming

People Served245K

Contaminants Tested113

Above Guidelines2

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Alleman

People Served245K

Contaminants Tested97

Above Guidelines2

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Des Moines

People Served245K

Contaminants Tested97

Above Guidelines2

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Runnells

People Served245K

Contaminants Tested97

Above Guidelines2

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Windsor Heights

People Served245K

Contaminants Tested97

Above Guidelines2

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Marion

People Served184K

Contaminants Tested245

Above Guidelines3

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Cedar Rapids

People Served184K

Contaminants Tested562

Above Guidelines3

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Hiawatha

People Served149K

Contaminants Tested215

Above Guidelines3

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Davenport

People Served148K

Contaminants Tested294

Above Guidelines2

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Bertram

People Served141K

Contaminants Tested131

Above Guidelines3

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Fairfax

People Served141K

Contaminants Tested131

Above Guidelines3

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Robins

People Served141K

Contaminants Tested131

Above Guidelines3

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Shueyville

People Served141K

Contaminants Tested131

Above Guidelines3

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Iowa City

People Served98K

Contaminants Tested634

Above Guidelines4

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Ames

People Served92K

Contaminants Tested134

Above Guidelines3

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Sioux City

People Served86K

Contaminants Tested89

Above Guidelines7

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Evansdale

People Served74K

Contaminants Tested184

Above Guidelines2

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Waterloo

People Served69K

Contaminants Tested89

Above Guidelines2

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University Heights

People Served69K

Contaminants Tested86

Above Guidelines3

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Asbury

People Served66K

Contaminants Tested184

Above Guidelines3

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Dubuque

People Served60K

Contaminants Tested470

Above Guidelines4

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Sageville

People Served60K

Contaminants Tested92

Above Guidelines3

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Cedar Falls

People Served41K

Contaminants Tested93

Above Guidelines2

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Indianola

People Served35K

Contaminants Tested136

Above Guidelines3

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Centerville

People Served32K

Contaminants Tested90

Above Guidelines2

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Creston

People Served29K

Contaminants Tested158

Above Guidelines3

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Burlington

People Served26K

Contaminants Tested89

Above Guidelines3

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Muscatine

People Served25K

Contaminants Tested614

Above Guidelines2

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Coralville

People Served23K

Contaminants Tested158

Above Guidelines2

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Fort Madison

People Served22K

Contaminants Tested127

Above Guidelines1

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North Liberty

People Served21K

Contaminants Tested149

Above Guidelines4

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Oskaloosa

People Served20K

Contaminants Tested183

Above Guidelines3

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Spencer

People Served18K

Contaminants Tested153

Above Guidelines4

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Grimes

People Served17K

Contaminants Tested118

Above Guidelines2

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Webster City

People Served17K

Contaminants Tested143

Above Guidelines2

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Knoxville

People Served15K

Contaminants Tested185

Above Guidelines2

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Brooklyn

People Served14K

Contaminants Tested17

Above Guidelines8

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Boone

People Served13K

Contaminants Tested120

Above Guidelines3

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Bouton

People Served13K

Contaminants Tested132

Above Guidelines3

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Lakeside

People Served12K

Contaminants Tested120

Above Guidelines2

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Storm Lake

People Served12K

Contaminants Tested187

Above Guidelines2

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Denison

People Served11K

Contaminants Tested133

Above Guidelines3

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Mount Pleasant

People Served11K

Contaminants Tested109

Above Guidelines4

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Le Mars

People Served11K

Contaminants Tested98

Above Guidelines4

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Lemars

People Served11K

Contaminants Tested98

Above Guidelines4

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Pella

People Served10K

Contaminants Tested94

Above Guidelines5

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Waverly

People Served10K

Contaminants Tested92

Above Guidelines5

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Carroll

People Served10K

Contaminants Tested95

Above Guidelines2

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Keokuk

People Served10K

Contaminants Tested87

Above Guidelines3

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Grinnell

People Served10K

Contaminants Tested163

Above Guidelines3

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Fairfield

People Served9K

Contaminants Tested94

Above Guidelines2

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Sioux Center

People Served8K

Contaminants Tested96

Above Guidelines4

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Beacon

People Served8K

Contaminants Tested92

Above Guidelines3

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Perry

People Served8K

Contaminants Tested93

Above Guidelines1

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Clear Lake

People Served8K

Contaminants Tested162

Above Guidelines2

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Charles City

People Served7K

Contaminants Tested94

Above Guidelines0

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Nevada

People Served7K

Contaminants Tested90

Above Guidelines3

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Eldridge

People Served7K

Contaminants Tested151

Above Guidelines2

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Orange City

People Served6K

Contaminants Tested96

Above Guidelines4

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Spirit Lake

People Served6K

Contaminants Tested85

Above Guidelines2

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Elk Run Heights

People Served6K

Contaminants Tested112

Above Guidelines2

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Sheldon

People Served6K

Contaminants Tested102

Above Guidelines6

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Glenwood

People Served5K

Contaminants Tested165

Above Guidelines4

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Tiffin

People Served5K

Contaminants Tested136

Above Guidelines2

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Tama

People Served5K

Contaminants Tested156

Above Guidelines3

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Manning

People Served5K

Contaminants Tested162

Above Guidelines3

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Sergeant Bluff

People Served5K

Contaminants Tested82

Above Guidelines2

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Madrid

People Served5K

Contaminants Tested120

Above Guidelines3

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Luther

People Served5K

Contaminants Tested40

Above Guidelines3

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Huxley

People Served5K

Contaminants Tested110

Above Guidelines2

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Lisbon

People Served5K

Contaminants Tested20

Above Guidelines2

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Forest City

People Served4K

Contaminants Tested91

Above Guidelines3

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Carlisle

People Served4K

Contaminants Tested85

Above Guidelines2

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West Liberty

People Served4K

Contaminants Tested92

Above Guidelines4

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Solon

People Served4K

Contaminants Tested489

Above Guidelines6

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Waukon

People Served4K

Contaminants Tested20

Above Guidelines6

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Eagle Grove

People Served4K

Contaminants Tested161

Above Guidelines3

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Albia

People Served4K

Contaminants Tested41

Above Guidelines2

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Emmetsburg

People Served4K

Contaminants Tested94

Above Guidelines2

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Greenfield

People Served4K

Contaminants Tested104

Above Guidelines3

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Osage

People Served4K

Contaminants Tested93

Above Guidelines5

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New Hampton

People Served3K

Contaminants Tested91

Above Guidelines4

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Tipton

People Served3K

Contaminants Tested136

Above Guidelines2

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Showing top 100 of 411 cities by population.

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

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