Iowa Tap Water Quality

Explore tap water quality data for counties across Iowa. View water system reports, track violations, monitor drinking water safety, and check fluoridation status in your community.

Counties

756

With water systems

Population

2,959,126

Served by water systems

Water Systems

1,068

Total water systems

Violators

5

Systems with serious violations

Searching by your address yields the most accurate results. Searching by town or water system may not show all systems due to how the EPA categorizes data. Some towns may be listed under counties, and water system boundaries don't always align with town boundaries.

Filter Results

Iowa Counties

Ackley

Population: 1,599

Water Systems: 1

Adair

Population: 799

Water Systems: 1

Adel

Population: 6,453

Water Systems: 1

Agency

Population: 620

Water Systems: 1

Ainsworth

Population: 511

Water Systems: 1

Akron

Population: 1,558

Water Systems: 1

Albert

Population: 677

Water Systems: 1

Albia

Population: 3,721

Water Systems: 1

Albion

Population: 505

Water Systems: 1

Alburnett

Population: 675

Water Systems: 1

Alden

Population: 763

Water Systems: 1

Alexander

Population: 164

Water Systems: 1

Algona

Population: 5,765

Water Systems: 4

Allerton

Population: 430

Water Systems: 1

Allison

Population: 966

Water Systems: 1

Alta

Population: 2,087

Water Systems: 1

Alta Vista

Population: 227

Water Systems: 1

Alton

Population: 1,248

Water Systems: 1

Altoona

Population: 27,130

Water Systems: 2

Alvord

Population: 206

Water Systems: 1

Amana

Population: 90

Water Systems: 1

Ames

Population: 92,264

Water Systems: 4

Anamosa

Population: 5,759

Water Systems: 3

Andover

Population: 109

Water Systems: 1

Andrew

Population: 380

Water Systems: 1

Anita

Population: 963

Water Systems: 1

Ankeny

Population: 70,040

Water Systems: 5

Anthon

Population: 545

Water Systems: 1

Aplington

Population: 1,126

Water Systems: 1

Arcadia

Population: 525

Water Systems: 1

Arlington

Population: 419

Water Systems: 1

Armstrong

Population: 930

Water Systems: 2

Arnolds Park

Population: 1,110

Water Systems: 1

Arthur

Population: 222

Water Systems: 1

Asbury

Population: 5,943

Water Systems: 1

Ashton

Population: 436

Water Systems: 1

Atalissa

Population: 296

Water Systems: 1

Atkins

Population: 2,056

Water Systems: 1

Atlantic

Population: 7,252

Water Systems: 1

Auburn

Population: 265

Water Systems: 1

Audubon

Population: 2,053

Water Systems: 1

Aurelia

Population: 968

Water Systems: 1

Avoca

Population: 5,933

Water Systems: 2

Badger

Population: 561

Water Systems: 1

Baldwin

Population: 99

Water Systems: 1

Bancroft

Population: 744

Water Systems: 1

Barnes

Population: 156

Water Systems: 1

Barnum

Population: 175

Water Systems: 1

Batavia

Population: 430

Water Systems: 1

Battle Creek

Population: 700

Water Systems: 1

Baxter

Population: 1,002

Water Systems: 1

Bayard

Population: 405

Water Systems: 1

Beaman

Population: 161

Water Systems: 1

Bedford

Population: 1,508

Water Systems: 1

Belle Plaine

Population: 2,380

Water Systems: 1

Bellevue

Population: 2,701

Water Systems: 3

Belmond

Population: 2,463

Water Systems: 1

Bennett

Population: 347

Water Systems: 1

Bernard

Population: 114

Water Systems: 1

Bertram

Population: 155

Water Systems: 2

Berwick

Population: 360

Water Systems: 1

Bettendorf

Population: 791

Water Systems: 6

Birmingham

Population: 367

Water Systems: 1

Blairsburg

Population: 177

Water Systems: 1

Blairstown

Population: 738

Water Systems: 1

Blakesburg

Population: 305

Water Systems: 1

Blencoe

Population: 224

Water Systems: 1

Bloomfield

Population: 2,682

Water Systems: 1

Blue Grass

Population: 1,518

Water Systems: 14

Bode

Population: 304

Water Systems: 1

Bonaparte

Population: 390

Water Systems: 1

Bondurant

Population: 7,610

Water Systems: 1

Boone

Population: 13,329

Water Systems: 5

Booneville

Population: 525

Water Systems: 1

Boyden

Population: 701

Water Systems: 1

Braddyville

Population: 147

Water Systems: 1

Brandon

Population: 341

Water Systems: 1

Brayton

Population: 143

Water Systems: 1

Breda

Population: 500

Water Systems: 1

Brighton

Population: 600

Water Systems: 1

Bristow

Population: 145

Water Systems: 1

Britt

Population: 2,064

Water Systems: 1

Bronson

Population: 294

Water Systems: 1

Brooklyn

Population: 15,425

Water Systems: 2

Brooks

Population: 2,038

Water Systems: 1

Brunsville

Population: 129

Water Systems: 1

Buffalo

Population: 1,374

Water Systems: 3

Buffalo Center

Population: 857

Water Systems: 1

Burlington

Population: 34,580

Water Systems: 3

Burt

Population: 418

Water Systems: 1

Bussey

Population: 427

Water Systems: 1

Calamus

Population: 356

Water Systems: 1

Callender

Population: 371

Water Systems: 1

Calmar

Population: 1,125

Water Systems: 1

Calumet

Population: 146

Water Systems: 1

Camanche

Population: 4,570

Water Systems: 1

Cambridge

Population: 832

Water Systems: 1

Cantril

Population: 224

Water Systems: 1

Carlisle

Population: 4,160

Water Systems: 1

Carroll

Population: 10,184

Water Systems: 1

Carson

Population: 766

Water Systems: 1

Carter Lake

Population: 4,619

Water Systems: 2

Cascade

Population: 2,386

Water Systems: 1

Casey

Population: 387

Water Systems: 1

Castalia

Population: 145

Water Systems: 1

Castana

Population: 103

Water Systems: 1

Cedar Falls

Population: 41,101

Water Systems: 2

Serious Violator

Cedar Rapids

Population: 142,808

Water Systems: 8

Center Junction

Population: 100

Water Systems: 1

Center Point

Population: 2,729

Water Systems: 2

Centerville

Population: 37,600

Water Systems: 2

Central City

Population: 1,264

Water Systems: 1

Centralia

Population: 31

Water Systems: 1

Chariton

Population: 4,568

Water Systems: 1

Charles

Population: 7,448

Water Systems: 1

Charlotte

Population: 389

Water Systems: 1

Charter Oak

Population: 522

Water Systems: 1

Chelsea

Population: 229

Water Systems: 1

Cherokee

Population: 10,047

Water Systems: 4

Chester

Population: 139

Water Systems: 1

Churdan

Population: 375

Water Systems: 1

Cincinnati

Population: 290

Water Systems: 1

Clare

Population: 136

Water Systems: 1

Clarence

Population: 1,039

Water Systems: 1

Clarinda

Population: 8,753

Water Systems: 3

Clarion

Population: 2,810

Water Systems: 1

Clarksville

Population: 1,254

Water Systems: 1

Clayton

Population: 45

Water Systems: 1

Clear Lake

Population: 7,827

Water Systems: 2

Cleghorn

Population: 240

Water Systems: 1

Clemons

Population: 140

Water Systems: 1

Clermont

Population: 586

Water Systems: 1

Clinton

Population: 24,769

Water Systems: 1

Clive

Population: 18,601

Water Systems: 1

Clutier

Population: 213

Water Systems: 1

Coggon

Population: 701

Water Systems: 1

Coin

Population: 176

Water Systems: 1

Colesburg

Population: 386

Water Systems: 1

Colfax

Population: 2,305

Water Systems: 1

Collins

Population: 505

Water Systems: 1

Colo

Population: 845

Water Systems: 1

Columbus

Population: 392

Water Systems: 1

Columbus Junction

Population: 1,830

Water Systems: 1

Colwell

Population: 55

Water Systems: 1

Conrad

Population: 1,098

Water Systems: 1

Coon Rapids

Population: 1,300

Water Systems: 1

Coralville

Population: 23,523

Water Systems: 4

Corning

Population: 1,735

Water Systems: 1

Correctionville

Population: 766

Water Systems: 1

Corwith

Population: 266

Water Systems: 1

Corydon

Population: 1,526

Water Systems: 1

Coulter

Population: 219

Water Systems: 1

Council Bluffs

Population: 66,040

Water Systems: 3

Craig

Population: 79

Water Systems: 1

Crawfordsville

Population: 277

Water Systems: 1

Crescent

Population: 778

Water Systems: 1

Cresco

Population: 3,913

Water Systems: 1

Creston

Population: 27,024

Water Systems: 2

Crystal Lake

Population: 255

Water Systems: 1

Cumberland

Population: 256

Water Systems: 1

Cumming

Population: 300

Water Systems: 1

Cushing

Population: 230

Water Systems: 1

Dakota

Population: 769

Water Systems: 1

Dallas Center

Population: 1,901

Water Systems: 1

Danbury

Population: 320

Water Systems: 1

Danville

Population: 974

Water Systems: 1

Davenport

Population: 147,975

Water Systems: 4

Dawson

Population: 116

Water Systems: 1

Dayton

Population: 772

Water Systems: 1

De Soto

Population: 960

Water Systems: 1

De Witt

Population: 5,730

Water Systems: 4

Decatur

Population: 1,373

Water Systems: 1

Decorah

Population: 8,569

Water Systems: 5

Dedham

Population: 224

Water Systems: 1

Deep River

Population: 249

Water Systems: 1

Defiance

Population: 250

Water Systems: 1

Delaware

Population: 142

Water Systems: 1

Delhi

Population: 509

Water Systems: 2

Delmar

Population: 542

Water Systems: 1

Deloit

Population: 250

Water Systems: 1

Delta

Population: 264

Water Systems: 1

Denison

Population: 11,614

Water Systems: 2

Denver

Population: 2,087

Water Systems: 2

Des Moines

Population: 246,619

Water Systems: 4

Dexter

Population: 693

Water Systems: 1

Diagonal

Population: 344

Water Systems: 1

Dike

Population: 1,306

Water Systems: 1

Dixon

Population: 202

Water Systems: 1

Dolliver

Population: 65

Water Systems: 1

Donahue

Population: 335

Water Systems: 1

Donnellson

Population: 885

Water Systems: 1

Doon

Population: 2,384

Water Systems: 2

Dow

Population: 485

Water Systems: 1

Dows

Population: 521

Water Systems: 1

Dubuque

Population: 62,508

Water Systems: 16

Dumont

Population: 1,269

Water Systems: 1

Duncombe

Population: 384

Water Systems: 1

Dunkerton

Population: 1,080

Water Systems: 2

Dunlap

Population: 1,222

Water Systems: 1

Durant

Population: 1,871

Water Systems: 1

Dyersville

Population: 4,477

Water Systems: 1

Dysart

Population: 1,281

Water Systems: 1

Eagle Grove

Population: 3,601

Water Systems: 1

Earlham

Population: 1,420

Water Systems: 1

Earling

Population: 397

Water Systems: 1

Earlville

Population: 724

Water Systems: 1

Early

Population: 587

Water Systems: 1

Eddyville

Population: 1,029

Water Systems: 1

Edgewood

Population: 939

Water Systems: 1

Elberon

Population: 184

Water Systems: 1

Eldon

Population: 927

Water Systems: 1

Eldora

Population: 2,663

Water Systems: 1

Eldridge

Population: 9,325

Water Systems: 4

Elgin

Population: 685

Water Systems: 1

Elk Horn

Population: 601

Water Systems: 1

Elk Run Heights

Population: 1,069

Water Systems: 1

Elkader

Population: 1,236

Water Systems: 2

Elkhart

Population: 882

Water Systems: 1

Elliott

Population: 345

Water Systems: 1

Ellsworth

Population: 514

Water Systems: 1

Elma

Population: 505

Water Systems: 1

Ely

Population: 2,328

Water Systems: 1

Emerson

Population: 412

Water Systems: 1

Emmetsburg

Population: 3,706

Water Systems: 1

Epworth

Population: 2,023

Water Systems: 1

Essex

Population: 722

Water Systems: 1

Estherville

Population: 5,904

Water Systems: 1

Evansdale

Population: 4,561

Water Systems: 1

Everly

Population: 575

Water Systems: 1

Exira

Population: 764

Water Systems: 1

Fairbank

Population: 1,111

Water Systems: 1

Fairfax

Population: 2,913

Water Systems: 2

Fairfield

Population: 10,024

Water Systems: 3

Farley

Population: 1,766

Water Systems: 1

Farmersburg

Population: 276

Water Systems: 1

Farmington

Population: 579

Water Systems: 1

Farnhamville

Population: 383

Water Systems: 1

Farragut

Population: 490

Water Systems: 1

Fayette

Population: 1,256

Water Systems: 1

Fenton

Population: 271

Water Systems: 1

Fertile

Population: 305

Water Systems: 1

Floyd

Population: 313

Water Systems: 1

Fonda

Population: 636

Water Systems: 1

Fontanelle

Population: 676

Water Systems: 1

Forest City

Population: 4,367

Water Systems: 2

Fort Atkinson

Population: 347

Water Systems: 1

Fort Dodge

Population: 27,268

Water Systems: 11

Fort Madison

Population: 22,927

Water Systems: 2

Fostoria

Population: 233

Water Systems: 1

Frankville

Population: 135

Water Systems: 1

Fredericksburg

Population: 987

Water Systems: 1

Galva

Population: 435

Water Systems: 1

Garden Grove

Population: 179

Water Systems: 1

Garnavillo

Population: 763

Water Systems: 1

Garner

Population: 3,065

Water Systems: 1

Garrison

Population: 344

Water Systems: 1

Garwin

Population: 481

Water Systems: 1

Geneva

Population: 136

Water Systems: 1

George

Population: 1,077

Water Systems: 1

Gilbert

Population: 1,211

Water Systems: 1

Gilbertville

Population: 794

Water Systems: 1

Gilman

Population: 542

Water Systems: 1

Gilmore

Population: 487

Water Systems: 1

Gladbrook

Population: 799

Water Systems: 1

Glenwood

Population: 5,449

Water Systems: 1

Glidden

Population: 1,151

Water Systems: 1

Goldfield

Population: 622

Water Systems: 1

Goodell

Population: 140

Water Systems: 1

Goose Lake

Population: 239

Water Systems: 1

Gowrie

Population: 952

Water Systems: 1

Graettinger

Population: 7,139

Water Systems: 2

Grafton

Population: 218

Water Systems: 1

Grand Junction

Population: 725

Water Systems: 1

Grand Mound

Population: 615

Water Systems: 1

Grandview

Population: 537

Water Systems: 2

Granger

Population: 1,654

Water Systems: 1

Granville

Population: 310

Water Systems: 1

Greene

Population: 994

Water Systems: 1

Greenfield

Population: 3,939

Water Systems: 2

Grimes

Population: 17,355

Water Systems: 3

Grinnell

Population: 9,877

Water Systems: 2

Griswold

Population: 1,017

Water Systems: 1

Grundy Center

Population: 2,796

Water Systems: 1

Gruver

Population: 71

Water Systems: 1

Guthrie Center

Population: 1,593

Water Systems: 1

Guttenberg

Population: 1,817

Water Systems: 1

Halbur

Population: 243

Water Systems: 1

Hamburg

Population: 890

Water Systems: 1

Hampton

Population: 4,444

Water Systems: 3

Hancock

Population: 200

Water Systems: 1

Hanlontown

Population: 206

Water Systems: 1

Hansell

Population: 82

Water Systems: 1

Harcourt

Population: 265

Water Systems: 1

Harlan

Population: 5,067

Water Systems: 1

Harper

Population: 118

Water Systems: 1

Harris

Population: 151

Water Systems: 1

Hartford

Population: 183

Water Systems: 1

Hartley

Population: 1,605

Water Systems: 1

Harvey

Population: 236

Water Systems: 1

Hastings

Population: 152

Water Systems: 1

Havelock

Population: 130

Water Systems: 1

Hawarden

Population: 2,700

Water Systems: 1

Hawkeye

Population: 438

Water Systems: 1

Hazleton

Population: 803

Water Systems: 2

Hedrick

Population: 728

Water Systems: 1

Henderson

Population: 144

Water Systems: 1

Hiawatha

Population: 7,411

Water Systems: 2

Hills

Population: 863

Water Systems: 1

Hillsboro

Population: 163

Water Systems: 1

Hinton

Population: 935

Water Systems: 1

Holland

Population: 269

Water Systems: 1

Holstein

Population: 1,501

Water Systems: 1

Holy Cross

Population: 356

Water Systems: 1

Hopkinton

Population: 622

Water Systems: 1

Hornick

Population: 255

Water Systems: 1

Hospers

Population: 4,118

Water Systems: 2

Hubbard

Population: 860

Water Systems: 1

Hudson

Population: 2,546

Water Systems: 1

Hull

Population: 2,409

Water Systems: 2

Humboldt

Population: 4,792

Water Systems: 1

Humeston

Population: 522

Water Systems: 1

Huxley

Population: 4,542

Water Systems: 2

Ida Grove

Population: 2,051

Water Systems: 1

Independence

Population: 6,220

Water Systems: 3

Indianola

Population: 36,163

Water Systems: 3

Inwood

Population: 928

Water Systems: 1

Ionia

Population: 226

Water Systems: 1

Iowa City

Population: 101,020

Water Systems: 31

Iowa Falls

Population: 5,191

Water Systems: 2

Ireton

Population: 5,760

Water Systems: 2

Irwin

Population: 313

Water Systems: 1

Jamaica

Population: 195

Water Systems: 1

Janesville

Population: 1,034

Water Systems: 1

Jefferson

Population: 4,182

Water Systems: 1

Jesup

Population: 2,508

Water Systems: 1

Jewell

Population: 1,216

Water Systems: 1

Johnston

Population: 25,233

Water Systems: 2

Joice

Population: 208

Water Systems: 1

Jolley

Population: 28

Water Systems: 1

Kalona

Population: 2,790

Water Systems: 4

Kanawha

Population: 658

Water Systems: 1

Kellerton

Population: 306

Water Systems: 1

Kelley

Population: 304

Water Systems: 1

Kellogg

Population: 617

Water Systems: 1

Kensett

Population: 257

Water Systems: 1

Keokuk

Population: 9,900

Water Systems: 1

Keosauqua

Population: 961

Water Systems: 1

Keota

Population: 897

Water Systems: 1

Keswick

Population: 252

Water Systems: 1

Keystone

Population: 599

Water Systems: 1

Kimballton

Population: 287

Water Systems: 1

Kingsley

Population: 1,396

Water Systems: 1

Kiron

Population: 267

Water Systems: 1

Klemme

Population: 441

Water Systems: 1

Serious Violator

Knierim

Population: 53

Water Systems: 1

Knoxville

Population: 14,525

Water Systems: 4

La Motte

Population: 237

Water Systems: 1

La Porte

Population: 2,284

Water Systems: 1

Lacona

Population: 361

Water Systems: 1

Ladora

Population: 229

Water Systems: 1

Lake City

Population: 1,731

Water Systems: 1

Lake Mills

Population: 2,158

Water Systems: 1

Lake Park

Population: 1,167

Water Systems: 1

Lake View

Population: 1,133

Water Systems: 1

Lakeside

Population: 700

Water Systems: 1

Lakota

Population: 267

Water Systems: 1

Lamoni

Population: 2,104

Water Systems: 1

Lamont

Population: 429

Water Systems: 1

Lanesboro

Population: 119

Water Systems: 1

Lansing

Population: 983

Water Systems: 1

Larchwood

Population: 926

Water Systems: 1

Larrabee

Population: 123

Water Systems: 1

Latimer

Population: 477

Water Systems: 1

Laurel

Population: 220

Water Systems: 1

Laurens

Population: 1,264

Water Systems: 1

Lawler

Population: 406

Water Systems: 1

Lawton

Population: 943

Water Systems: 1

Le Claire

Population: 335

Water Systems: 4

Le Grand

Population: 905

Water Systems: 1

Le Mars

Population: 10,571

Water Systems: 1

Ledyard

Population: 121

Water Systems: 1

Lehigh

Population: 395

Water Systems: 1

Leland

Population: 249

Water Systems: 1

Lenox

Population: 1,339

Water Systems: 1

Leon

Population: 1,822

Water Systems: 1

Lester

Population: 296

Water Systems: 1

Lewis

Population: 357

Water Systems: 1

Libertyville

Population: 274

Water Systems: 1

Lidderdale

Population: 166

Water Systems: 1

Lime Springs

Population: 473

Water Systems: 1

Lineville

Population: 243

Water Systems: 1

Linn Grove

Population: 163

Water Systems: 1

Lisbon

Population: 2,428

Water Systems: 5

Liscomb

Population: 291

Water Systems: 1

Little Rock

Population: 441

Water Systems: 1

Little Sioux

Population: 166

Water Systems: 1

Livermore

Population: 383

Water Systems: 1

Lockridge

Population: 244

Water Systems: 1

Logan

Population: 1,397

Water Systems: 1

Lohrville

Population: 381

Water Systems: 1

Lone Rock

Population: 146

Water Systems: 1

Lone Tree

Population: 1,357

Water Systems: 1

Long Grove

Population: 988

Water Systems: 2

Lost Nation

Population: 434

Water Systems: 1

Lovilia

Population: 472

Water Systems: 1

Low Moor

Population: 250

Water Systems: 1

Lowden

Population: 807

Water Systems: 1

Luana

Population: 301

Water Systems: 1

Luther

Population: 4,565

Water Systems: 1

Luverne

Population: 258

Water Systems: 1

Luxemburg

Population: 245

Water Systems: 1

Lynnville

Population: 380

Water Systems: 1

Lytton

Population: 282

Water Systems: 1

Macedonia

Population: 275

Water Systems: 1

Madrid

Population: 4,725

Water Systems: 2

Magnolia

Population: 190

Water Systems: 1

Maharishi Vedic

Population: 128

Water Systems: 2

Malcom

Population: 270

Water Systems: 1

Serious Violator

Mallard

Population: 257

Water Systems: 1

Malvern

Population: 1,046

Water Systems: 1

Manchester

Population: 5,065

Water Systems: 1

Manilla

Population: 758

Water Systems: 1

Manly

Population: 1,256

Water Systems: 1

Manning

Population: 5,028

Water Systems: 2

Manson

Population: 1,709

Water Systems: 1

Mapleton

Population: 1,165

Water Systems: 1

Maquoketa

Population: 6,128

Water Systems: 1

Marathon

Population: 230

Water Systems: 1

Marble Rock

Population: 272

Water Systems: 1

Marcus

Population: 1,079

Water Systems: 1

Marengo

Population: 2,481

Water Systems: 2

Marion

Population: 43,764

Water Systems: 5

Marquette

Population: 429

Water Systems: 1

Marshalltown

Population: 28,501

Water Systems: 3

Martelle

Population: 249

Water Systems: 1

Martensdale

Population: 421

Water Systems: 1

Mason City

Population: 27,338

Water Systems: 1

Serious Violator

Massena

Population: 364

Water Systems: 1

Matlock

Population: 74

Water Systems: 1

Maurice

Population: 265

Water Systems: 1

Maxwell

Population: 859

Water Systems: 1

May

Population: 6,940

Water Systems: 1

Maynard

Population: 476

Water Systems: 1

Maysville

Population: 156

Water Systems: 1

Mccallsburg

Population: 353

Water Systems: 1

Mcgregor

Population: 902

Water Systems: 3

Mechanicsville

Population: 1,020

Water Systems: 1

Mediapolis

Population: 1,788

Water Systems: 2

Melbourne

Population: 786

Water Systems: 1

Melcher Dallas

Population: 1,213

Water Systems: 1

Melvin

Population: 202

Water Systems: 1

Meriden

Population: 161

Water Systems: 1

Merrill

Population: 717

Water Systems: 1

Meservey

Population: 222

Water Systems: 1

Middle Amana

Population: 1,248

Water Systems: 1

Middletown

Population: 336

Water Systems: 1

Miles

Population: 408

Water Systems: 1

Milford

Population: 3,321

Water Systems: 1

Millersburg

Population: 135

Water Systems: 1

Milo

Population: 788

Water Systems: 1

Milton

Population: 380

Water Systems: 1

Minburn

Population: 13,185

Water Systems: 2

Minden

Population: 612

Water Systems: 1

Mingo

Population: 316

Water Systems: 1

Missouri Valley

Population: 2,939

Water Systems: 3

Mitchellville

Population: 2,515

Water Systems: 1

Modale

Population: 273

Water Systems: 1

Mondamin

Population: 339

Water Systems: 1

Monmouth

Population: 129

Water Systems: 1

Monona

Population: 1,471

Water Systems: 1

Monroe

Population: 2,007

Water Systems: 1

Montezuma

Population: 3,245

Water Systems: 2

Serious Violator

Monticello

Population: 4,181

Water Systems: 3

Montour

Population: 203

Water Systems: 1

Montpelier

Population: 134

Water Systems: 2

Montrose

Population: 738

Water Systems: 1

Moorhead

Population: 229

Water Systems: 1

Moorland

Population: 168

Water Systems: 1

Moravia

Population: 637

Water Systems: 1

Morley

Population: 98

Water Systems: 1

Morning Sun

Population: 752

Water Systems: 1

Moulton

Population: 607

Water Systems: 1

Mount Auburn

Population: 162

Water Systems: 1

Mount Ayr

Population: 1,683

Water Systems: 1

Mount Pleasant

Population: 10,649

Water Systems: 2

Mount Vernon

Population: 4,527

Water Systems: 1

Moville

Population: 1,757

Water Systems: 2

Murray

Population: 684

Water Systems: 1

Muscatine

Population: 26,168

Water Systems: 15

Mystic

Population: 322

Water Systems: 1

Nashua

Population: 1,551

Water Systems: 1

Neola

Population: 922

Water Systems: 1

Nevada

Population: 6,925

Water Systems: 1

New Albin

Population: 432

Water Systems: 1

New Hampton

Population: 3,494

Water Systems: 1

New Hartford

Population: 570

Water Systems: 1

New Liberty

Population: 138

Water Systems: 1

New London

Population: 1,910

Water Systems: 1

New Market

Population: 385

Water Systems: 1

New Providence

Population: 336

Water Systems: 2

New Sharon

Population: 1,368

Water Systems: 1

New Vienna

Population: 382

Water Systems: 1

New Virginia

Population: 498

Water Systems: 1

Newell

Population: 906

Water Systems: 1

Newhall

Population: 881

Water Systems: 1

Newton

Population: 16,848

Water Systems: 2

Nora Springs

Population: 1,369

Water Systems: 1

North English

Population: 1,065

Water Systems: 1

North Liberty

Population: 20,994

Water Systems: 4

Northwood

Population: 2,072

Water Systems: 1

Norwalk

Population: 13,015

Water Systems: 2

Norway

Population: 2,466

Water Systems: 2

Oakland

Population: 1,524

Water Systems: 1

Oakville

Population: 200

Water Systems: 1

Ocheyedan

Population: 439

Water Systems: 1

Odebolt

Population: 994

Water Systems: 1

Oelwein

Population: 5,920

Water Systems: 1

Ogden

Population: 2,419

Water Systems: 1

Okoboji

Population: 793

Water Systems: 2

Olds

Population: 192

Water Systems: 1

Olin

Population: 651

Water Systems: 1

Onawa

Population: 2,906

Water Systems: 1

Onslow

Population: 201

Water Systems: 1

Orange

Population: 6,267

Water Systems: 1

Orchard

Population: 68

Water Systems: 1

Orient

Population: 368

Water Systems: 1

Osage

Population: 3,637

Water Systems: 1

Serious Violator

Osceola

Population: 9,501

Water Systems: 2

Oskaloosa

Population: 19,700

Water Systems: 2

Ossian

Population: 802

Water Systems: 1

Otho

Population: 429

Water Systems: 1

Oto

Population: 72

Water Systems: 1

Ottosen

Population: 41

Water Systems: 1

Ottumwa

Population: 41,754

Water Systems: 3

Oxford

Population: 1,092

Water Systems: 3

Oxford Junction

Population: 424

Water Systems: 1

Oyens

Population: 92

Water Systems: 1

Pacific Junction

Population: 125

Water Systems: 1

Palmer

Population: 138

Water Systems: 1

Palo

Population: 1,501

Water Systems: 2

Panama

Population: 235

Water Systems: 1

Panora

Population: 3,991

Water Systems: 2

Parkersburg

Population: 2,019

Water Systems: 1

Paullina

Population: 1,152

Water Systems: 1

Pella

Population: 11,289

Water Systems: 2

Peosta

Population: 2,987

Water Systems: 4

Perry

Population: 7,836

Water Systems: 1

Pershing

Population: 488

Water Systems: 1

Peterson

Population: 322

Water Systems: 1

Pierson

Population: 337

Water Systems: 1

Pilot Mound

Population: 163

Water Systems: 1

Pisgah

Population: 245

Water Systems: 1

Plainfield

Population: 393

Water Systems: 1

Pleasant Hill

Population: 350

Water Systems: 1

Pleasant Valley

Population: 120

Water Systems: 2

Pleasantville

Population: 1,786

Water Systems: 2

Plover

Population: 50

Water Systems: 1

Plymouth

Population: 378

Water Systems: 1

Pocahontas

Population: 1,877

Water Systems: 1

Polk

Population: 5,543

Water Systems: 1

Pomeroy

Population: 671

Water Systems: 1

Portsmouth

Population: 182

Water Systems: 1

Postville

Population: 2,503

Water Systems: 1

Prairie

Population: 1,703

Water Systems: 1

Prairieburg

Population: 160

Water Systems: 1

Preston

Population: 949

Water Systems: 1

Primghar

Population: 896

Water Systems: 1

Princeton

Population: 980

Water Systems: 2

Protivin

Population: 269

Water Systems: 1

Pulaski

Population: 264

Water Systems: 1

Quimby

Population: 249

Water Systems: 1

Radcliffe

Population: 561

Water Systems: 1

Rake

Population: 187

Water Systems: 1

Ralston

Population: 81

Water Systems: 1

Randall

Population: 154

Water Systems: 1

Randolph

Population: 189

Water Systems: 1

Readlyn

Population: 845

Water Systems: 1

Red Oak

Population: 8,821

Water Systems: 2

Redfield

Population: 744

Water Systems: 1

Reinbeck

Population: 1,662

Water Systems: 1

Rembrandt

Population: 209

Water Systems: 1

Remsen

Population: 1,678

Water Systems: 1

Renwick

Population: 234

Water Systems: 1

Rhodes

Population: 271

Water Systems: 1

Riceville

Population: 816

Water Systems: 1

Richland

Population: 584

Water Systems: 1

Ridgeway

Population: 307

Water Systems: 2

Rinard

Population: 38

Water Systems: 1

Ringsted

Population: 365

Water Systems: 1

Riverside

Population: 1,200

Water Systems: 3

Riverton

Population: 250

Water Systems: 1

Rock Rapids

Population: 5,848

Water Systems: 4

Rock Valley

Population: 6,289

Water Systems: 2

Rockford

Population: 758

Water Systems: 1

Rockwell

Population: 3,611

Water Systems: 3

Rodman

Population: 31

Water Systems: 1

Roland

Population: 1,362

Water Systems: 1

Rolfe

Population: 509

Water Systems: 1

Rome

Population: 114

Water Systems: 1

Rowan

Population: 121

Water Systems: 1

Rudd

Population: 358

Water Systems: 1

Russell

Population: 477

Water Systems: 1

Ruthven

Population: 779

Water Systems: 1

Rutland

Population: 118

Water Systems: 1

Ryan

Population: 350

Water Systems: 1

Sabula

Population: 506

Water Systems: 1

Sac

Population: 2,063

Water Systems: 1

Saint Ansgar

Population: 1,161

Water Systems: 1

Saint Marys

Population: 108

Water Systems: 1

Saint Olaf

Population: 106

Water Systems: 1

Salem

Population: 396

Water Systems: 1

Salix

Population: 295

Water Systems: 1

Sanborn

Population: 1,392

Water Systems: 1

Schaller

Population: 729

Water Systems: 1

Schleswig

Population: 830

Water Systems: 1

Scranton

Population: 504

Water Systems: 1

Sergeant Bluff

Population: 5,015

Water Systems: 1

Seymour

Population: 637

Water Systems: 1

Shambaugh

Population: 159

Water Systems: 1

Sheffield

Population: 1,130

Water Systems: 1

Shelby

Population: 727

Water Systems: 1

Sheldahl

Population: 307

Water Systems: 1

Sheldon

Population: 5,512

Water Systems: 1

Shell Rock

Population: 1,268

Water Systems: 1

Shellsburg

Population: 1,186

Water Systems: 2

Shenandoah

Population: 4,925

Water Systems: 1

Shueyville

Population: 356

Water Systems: 4

Sibley

Population: 2,860

Water Systems: 1

Sidney

Population: 1,077

Water Systems: 1

Sigourney

Population: 2,004

Water Systems: 1

Silver City

Population: 245

Water Systems: 1

Sioux Center

Population: 8,231

Water Systems: 1

Sioux City

Population: 85,994

Water Systems: 3

Sioux Rapids

Population: 920

Water Systems: 1

Slater

Population: 1,698

Water Systems: 2

Sloan

Population: 1,042

Water Systems: 1

Smithland

Population: 181

Water Systems: 1

Soldier

Population: 184

Water Systems: 1

Solon

Population: 4,328

Water Systems: 14

Somers

Population: 128

Water Systems: 1

South Amana

Population: 2,300

Water Systems: 2

South English

Population: 238

Water Systems: 1

Spencer

Population: 18,241

Water Systems: 3

Spillville

Population: 385

Water Systems: 1

Spirit Lake

Population: 6,167

Water Systems: 1

Springbrook

Population: 143

Water Systems: 1

Springville

Population: 1,249

Water Systems: 2

Stacyville

Population: 465

Water Systems: 1

Stanhope

Population: 364

Water Systems: 1

Stanwood

Population: 637

Water Systems: 1

State Center

Population: 1,411

Water Systems: 1

Steamboat Rock

Population: 264

Water Systems: 1

Stockport

Population: 272

Water Systems: 1

Stockton

Population: 176

Water Systems: 1

Storm Lake

Population: 11,606

Water Systems: 2

Story

Population: 3,357

Water Systems: 1

Stout

Population: 191

Water Systems: 1

Stratford

Population: 6,829

Water Systems: 2

Strawberry Point

Population: 1,155

Water Systems: 1

Stuart

Population: 1,814

Water Systems: 1

Sully

Population: 881

Water Systems: 1

Sumner

Population: 2,030

Water Systems: 1

Superior

Population: 132

Water Systems: 1

Sutherland

Population: 2,706

Water Systems: 2

Swaledale

Population: 144

Water Systems: 1

Swan

Population: 76

Water Systems: 1

Swea

Population: 584

Water Systems: 1

Swisher

Population: 724

Water Systems: 8

Tabor

Population: 1,014

Water Systems: 1

Tama

Population: 3,130

Water Systems: 1

Templeton

Population: 352

Water Systems: 1

Terril

Population: 334

Water Systems: 1

Thompson

Population: 499

Water Systems: 1

Thor

Population: 181

Water Systems: 1

Thornton

Population: 400

Water Systems: 1

Thurman

Population: 167

Water Systems: 1

Tiffin

Population: 4,685

Water Systems: 2

Tipton

Population: 3,149

Water Systems: 1

Titonka

Population: 511

Water Systems: 1

Serious Violator

Toddville

Population: 213

Water Systems: 3

Toledo

Population: 2,369

Water Systems: 1

Traer

Population: 1,583

Water Systems: 1

Treynor

Population: 1,049

Water Systems: 1

Tripoli

Population: 1,191

Water Systems: 1

Truesdale

Population: 69

Water Systems: 1

Truro

Population: 525

Water Systems: 1

Union

Population: 399

Water Systems: 1

Urbana

Population: 1,554

Water Systems: 1

Urbandale

Population: 45,703

Water Systems: 2

Ute

Population: 338

Water Systems: 1

Vail

Population: 396

Water Systems: 1

Van Horne

Population: 779

Water Systems: 1

Van Meter

Population: 1,512

Water Systems: 4

Varina

Population: 68

Water Systems: 1

Ventura

Population: 716

Water Systems: 1

Victor

Population: 875

Water Systems: 1

Villisca

Population: 1,132

Water Systems: 1

Vincent

Population: 130

Water Systems: 1

Vinton

Population: 4,938

Water Systems: 1

Volga

Population: 203

Water Systems: 1

Wadena

Population: 209

Water Systems: 1

Wahpeton

Population: 408

Water Systems: 1

Walcott

Population: 1,551

Water Systems: 1

Serious Violator

Walford

Population: 731

Water Systems: 5

Walker

Population: 688

Water Systems: 1

Wall Lake

Population: 2,470

Water Systems: 2

Wallingford

Population: 165

Water Systems: 1

Walnut

Population: 747

Water Systems: 1

Wapello

Population: 2,268

Water Systems: 3

Washington

Population: 7,420

Water Systems: 2

Washta

Population: 209

Water Systems: 1

Waterloo

Population: 69,596

Water Systems: 2

Waucoma

Population: 229

Water Systems: 1

Waukee

Population: 24,760

Water Systems: 2

Waukon

Population: 3,827

Water Systems: 1

Waverly

Population: 48,339

Water Systems: 3

Wayland

Population: 964

Water Systems: 1

Webster

Population: 96

Water Systems: 1

Webster City

Population: 7,825

Water Systems: 1

Wellman

Population: 1,524

Water Systems: 1

Wellsburg

Population: 720

Water Systems: 1

Welton

Population: 121

Water Systems: 1

Wesley

Population: 391

Water Systems: 1

West Bend

Population: 791

Water Systems: 1

West Branch

Population: 2,909

Water Systems: 2

West Burlington

Population: 4,440

Water Systems: 2

West Chester

Population: 144

Water Systems: 1

West Des Moines

Population: 69,116

Water Systems: 2

West Liberty

Population: 3,903

Water Systems: 2

West Okoboji

Population: 308

Water Systems: 1

West Point

Population: 921

Water Systems: 1

West Union

Population: 2,540

Water Systems: 1

Westfield

Population: 123

Water Systems: 1

Westgate

Population: 192

Water Systems: 1

Westside

Population: 285

Water Systems: 1

Westwood

Population: 101

Water Systems: 1

What Cheer

Population: 607

Water Systems: 1

Wheatland

Population: 775

Water Systems: 1

Whiting

Population: 745

Water Systems: 1

Whittemore

Population: 497

Water Systems: 1

Williams

Population: 315

Water Systems: 1

Williamsburg

Population: 3,345

Water Systems: 1

Williamstown

Population: 67

Water Systems: 1

Wilton

Population: 2,924

Water Systems: 1

Winfield

Population: 1,035

Water Systems: 1

Winterset

Population: 5,428

Water Systems: 1

Winthrop

Population: 840

Water Systems: 1

Wiota

Population: 95

Water Systems: 1

Woden

Population: 188

Water Systems: 1

Woodbine

Population: 1,622

Water Systems: 1

Woodward

Population: 5,511

Water Systems: 3

Woolstock

Population: 144

Water Systems: 1

Worthington

Population: 382

Water Systems: 1

Wyoming

Population: 523

Water Systems: 1

Yale

Population: 267

Water Systems: 1

Zearing

Population: 528

Water Systems: 1