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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

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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

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

Bromodichloromethane(325 cities)Dichloroacetic Acid (DCA)(266 cities)Bromoform(136 cities)Lead(92 cities)Gross Alpha Activity(89 cities)Radium, combined (-226 & -228)(76 cities)

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Cities in Iowa

Council Bluffs

People Served627K

Contaminants Tested239

Above Guidelines8

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Carter Lake

People Served567K

Contaminants Tested297

Above Guidelines9

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Crescent

People Served562K

Contaminants Tested150

Above Guidelines5

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Ankeny

People Served315K

Contaminants Tested342

Above Guidelines13

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West Des Moines

People Served314K

Contaminants Tested214

Above Guidelines4

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Saylorville

People Served313K

Contaminants Tested166

Above Guidelines5

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Urbandale

People Served291K

Contaminants Tested131

Above Guidelines8

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Altoona

People Served271K

Contaminants Tested185

Above Guidelines9

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Johnston

People Served270K

Contaminants Tested183

Above Guidelines9

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Waukee

People Served269K

Contaminants Tested116

Above Guidelines5

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Clive

People Served264K

Contaminants Tested116

Above Guidelines5

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Norwalk

People Served258K

Contaminants Tested113

Above Guidelines4

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Bondurant

People Served253K

Contaminants Tested114

Above Guidelines5

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Polk City

People Served251K

Contaminants Tested166

Above Guidelines4

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Mitchellville

People Served248K

Contaminants Tested169

Above Guidelines4

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Elkhart

People Served246K

Contaminants Tested174

Above Guidelines3

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Pleasant Hill

People Served245K

Contaminants Tested113

Above Guidelines4

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Cumming

People Served245K

Contaminants Tested113

Above Guidelines4

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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 Tested222

Above Guidelines6

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Cedar Rapids

People Served184K

Contaminants Tested539

Above Guidelines8

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Hiawatha

People Served149K

Contaminants Tested215

Above Guidelines6

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Davenport

People Served148K

Contaminants Tested294

Above Guidelines3

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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 Guidelines17

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Ames

People Served92K

Contaminants Tested111

Above Guidelines4

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Sioux City

People Served86K

Contaminants Tested89

Above Guidelines7

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Evansdale

People Served74K

Contaminants Tested161

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 Tested138

Above Guidelines4

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Dubuque

People Served60K

Contaminants Tested447

Above Guidelines10

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Sageville

People Served60K

Contaminants Tested69

Above Guidelines2

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Cedar Falls

People Served41K

Contaminants Tested70

Above Guidelines2

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Indianola

People Served35K

Contaminants Tested90

Above Guidelines3

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Centerville

People Served32K

Contaminants Tested90

Above Guidelines2

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Creston

People Served29K

Contaminants Tested135

Above Guidelines7

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Burlington

People Served26K

Contaminants Tested89

Above Guidelines3

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Muscatine

People Served25K

Contaminants Tested614

Above Guidelines8

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Coralville

People Served23K

Contaminants Tested135

Above Guidelines2

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Fort Madison

People Served22K

Contaminants Tested104

Above Guidelines2

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North Liberty

People Served21K

Contaminants Tested126

Above Guidelines5

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Oskaloosa

People Served20K

Contaminants Tested137

Above Guidelines6

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Spencer

People Served18K

Contaminants Tested130

Above Guidelines7

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Grimes

People Served17K

Contaminants Tested95

Above Guidelines3

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Webster City

People Served17K

Contaminants Tested97

Above Guidelines4

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Knoxville

People Served15K

Contaminants Tested139

Above Guidelines2

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Brooklyn

People Served14K

Contaminants Tested17

Above Guidelines8

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Boone

People Served13K

Contaminants Tested97

Above Guidelines9

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Bouton

People Served13K

Contaminants Tested86

Above Guidelines6

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Lakeside

People Served12K

Contaminants Tested97

Above Guidelines2

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Storm Lake

People Served12K

Contaminants Tested164

Above Guidelines4

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Denison

People Served11K

Contaminants Tested110

Above Guidelines6

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Mount Pleasant

People Served11K

Contaminants Tested86

Above Guidelines4

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Le Mars

People Served11K

Contaminants Tested75

Above Guidelines4

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Lemars

People Served11K

Contaminants Tested75

Above Guidelines4

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Pella

People Served10K

Contaminants Tested71

Above Guidelines5

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Waverly

People Served10K

Contaminants Tested69

Above Guidelines3

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Carroll

People Served10K

Contaminants Tested72

Above Guidelines2

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Keokuk

People Served10K

Contaminants Tested87

Above Guidelines3

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Grinnell

People Served10K

Contaminants Tested140

Above Guidelines5

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Fairfield

People Served9K

Contaminants Tested71

Above Guidelines2

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Sioux Center

People Served8K

Contaminants Tested73

Above Guidelines4

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Beacon

People Served8K

Contaminants Tested69

Above Guidelines3

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Perry

People Served8K

Contaminants Tested70

Above Guidelines1

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Clear Lake

People Served8K

Contaminants Tested139

Above Guidelines3

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Charles City

People Served7K

Contaminants Tested71

Above Guidelines0

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Nevada

People Served7K

Contaminants Tested67

Above Guidelines3

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Eldridge

People Served7K

Contaminants Tested128

Above Guidelines3

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Orange City

People Served6K

Contaminants Tested73

Above Guidelines4

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Spirit Lake

People Served6K

Contaminants Tested85

Above Guidelines2

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Elk Run Heights

People Served6K

Contaminants Tested89

Above Guidelines2

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Sheldon

People Served6K

Contaminants Tested79

Above Guidelines6

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Glenwood

People Served5K

Contaminants Tested142

Above Guidelines5

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Tiffin

People Served5K

Contaminants Tested136

Above Guidelines3

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Tama

People Served5K

Contaminants Tested156

Above Guidelines4

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Manning

People Served5K

Contaminants Tested139

Above Guidelines6

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Sergeant Bluff

People Served5K

Contaminants Tested82

Above Guidelines2

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Madrid

People Served5K

Contaminants Tested120

Above Guidelines8

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Luther

People Served5K

Contaminants Tested17

Above Guidelines3

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Huxley

People Served5K

Contaminants Tested87

Above Guidelines2

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Lisbon

People Served5K

Contaminants Tested20

Above Guidelines3

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Forest City

People Served4K

Contaminants Tested68

Above Guidelines3

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Carlisle

People Served4K

Contaminants Tested85

Above Guidelines2

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West Liberty

People Served4K

Contaminants Tested69

Above Guidelines4

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Solon

People Served4K

Contaminants Tested489

Above Guidelines12

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Waukon

People Served4K

Contaminants Tested20

Above Guidelines6

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Eagle Grove

People Served4K

Contaminants Tested138

Above Guidelines3

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Albia

People Served4K

Contaminants Tested18

Above Guidelines2

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Emmetsburg

People Served4K

Contaminants Tested71

Above Guidelines2

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Greenfield

People Served4K

Contaminants Tested104

Above Guidelines6

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Osage

People Served4K

Contaminants Tested70

Above Guidelines4

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New Hampton

People Served3K

Contaminants Tested68

Above Guidelines4

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Tipton

People Served3K

Contaminants Tested136

Above Guidelines2

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Showing top 100 of 412 cities by population.

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

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