Wisconsin Tap Water Quality

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

Counties

582

With water systems

Population

4,177,181

Served by water systems

Water Systems

1,025

Total water systems

Violators

8

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

Wisconsin Counties

Abbotsford

Population: 2,502

Water Systems: 1

Abrams

Population: 35

Water Systems: 1

Adams

Population: 1,847

Water Systems: 1

Adell

Population: 510

Water Systems: 1

Albany

Population: 1,018

Water Systems: 1

Algoma

Population: 3,096

Water Systems: 2

Allenton

Population: 860

Water Systems: 1

Allouez

Population: 25

Water Systems: 1

Alma

Population: 769

Water Systems: 1

Alma Center

Population: 487

Water Systems: 1

Almena

Population: 705

Water Systems: 1

Altoona

Population: 8,532

Water Systems: 2

Amery

Population: 2,962

Water Systems: 1

Amherst

Population: 1,119

Water Systems: 1

Antigo

Population: 7,810

Water Systems: 2

Appleton

Population: 12,225

Water Systems: 2

Arbor Vitae

Population: 379

Water Systems: 6

Arcadia

Population: 3,737

Water Systems: 1

Arena

Population: 926

Water Systems: 2

Argyle

Population: 823

Water Systems: 1

Arlington

Population: 823

Water Systems: 1

Serious Violator

Ashland

Population: 8,000

Water Systems: 1

Athens

Population: 1,025

Water Systems: 1

Auburndale

Population: 75

Water Systems: 2

Augusta

Population: 1,450

Water Systems: 1

Avoca

Population: 637

Water Systems: 1

Bagley

Population: 353

Water Systems: 1

Baileys Harbor

Population: 135

Water Systems: 1

Baldwin

Population: 4,291

Water Systems: 1

Balsam Lake

Population: 1,031

Water Systems: 1

Bancroft

Population: 75

Water Systems: 1

Bangor

Population: 1,520

Water Systems: 1

Baraboo

Population: 12,778

Water Systems: 2

Barneveld

Population: 1,258

Water Systems: 1

Barron

Population: 3,423

Water Systems: 1

Bay

Population: 549

Water Systems: 2

Bayfield

Population: 533

Water Systems: 2

Bear Creek

Population: 418

Water Systems: 1

Beaver Dam

Population: 16,880

Water Systems: 4

Belgium

Population: 2,493

Water Systems: 1

Belleville

Population: 2,712

Water Systems: 1

Belmont

Population: 991

Water Systems: 1

Beloit

Population: 36,677

Water Systems: 1

Benton

Population: 976

Water Systems: 1

Berlin

Population: 5,524

Water Systems: 1

Birchwood

Population: 442

Water Systems: 1

Birnamwood

Population: 832

Water Systems: 1

Black Creek

Population: 1,357

Water Systems: 1

Black Earth

Population: 1,493

Water Systems: 1

Black River Falls

Population: 6,543

Water Systems: 4

Blair

Population: 1,280

Water Systems: 1

Blanchardville

Population: 810

Water Systems: 1

Bloomer

Population: 3,744

Water Systems: 2

Bloomington

Population: 682

Water Systems: 1

Blue Mounds

Population: 950

Water Systems: 1

Blue River

Population: 424

Water Systems: 1

Bonduel

Population: 1,475

Water Systems: 1

Boscobel

Population: 3,317

Water Systems: 2

Bowler

Population: 357

Water Systems: 1

Boyceville

Population: 1,043

Water Systems: 1

Boyd

Population: 540

Water Systems: 1

Brandon

Population: 872

Water Systems: 1

Brillion

Population: 3,262

Water Systems: 1

Bristol

Population: 1,976

Water Systems: 4

Brodhead

Population: 3,216

Water Systems: 1

Brookfield

Population: 35,489

Water Systems: 2

Brooklyn

Population: 1,524

Water Systems: 1

Brown Deer

Population: 12,741

Water Systems: 1

Brownsville

Population: 630

Water Systems: 1

Browntown

Population: 256

Water Systems: 1

Bruce

Population: 620

Water Systems: 1

Buffalo

Population: 90

Water Systems: 1

Burlington

Population: 10,683

Water Systems: 3

Butler

Population: 3,246

Water Systems: 2

Butternut

Population: 283

Water Systems: 1

Cadott

Population: 1,352

Water Systems: 1

Caledonia

Population: 21,819

Water Systems: 1

Cambria

Population: 767

Water Systems: 1

Cambridge

Population: 1,886

Water Systems: 6

Cameron

Population: 1,877

Water Systems: 3

Camp Douglas

Population: 1,040

Water Systems: 2

Campbellsport

Population: 1,915

Water Systems: 3

Cascade

Population: 719

Water Systems: 1

Cashton

Population: 1,120

Water Systems: 1

Cassville

Population: 817

Water Systems: 2

Cazenovia

Population: 351

Water Systems: 1

Cedar Grove

Population: 2,213

Water Systems: 1

Cedarburg

Population: 11,800

Water Systems: 1

Centuria

Population: 900

Water Systems: 1

Chaseburg

Population: 306

Water Systems: 1

Chetek

Population: 1,956

Water Systems: 2

Chilton

Population: 4,196

Water Systems: 2

Chippewa Falls

Population: 20,280

Water Systems: 4

Clayton

Population: 765

Water Systems: 1

Clear Lake

Population: 1,061

Water Systems: 1

Cleveland

Population: 1,524

Water Systems: 1

Clinton

Population: 2,259

Water Systems: 2

Clintonville

Population: 4,810

Water Systems: 2

Clyman

Population: 422

Water Systems: 1

Cobb

Population: 458

Water Systems: 1

Cochrane

Population: 450

Water Systems: 1

Colby

Population: 1,829

Water Systems: 1

Coleman

Population: 727

Water Systems: 1

Colfax

Population: 1,187

Water Systems: 2

Coloma

Population: 454

Water Systems: 1

Columbus

Population: 5,288

Water Systems: 2

Combined Locks

Population: 3,609

Water Systems: 1

Comstock

Population: 54

Water Systems: 1

Coon Valley

Population: 765

Water Systems: 1

Cornell

Population: 1,390

Water Systems: 1

Cottage Grove

Population: 9,345

Water Systems: 1

Crandon

Population: 1,958

Water Systems: 1

Crivitz

Population: 996

Water Systems: 1

Cross Plains

Population: 4,100

Water Systems: 1

Cuba

Population: 2,141

Water Systems: 1

Cudahy

Population: 18,659

Water Systems: 1

Cumberland

Population: 2,311

Water Systems: 1

Curtiss

Population: 346

Water Systems: 1

Dallas

Population: 365

Water Systems: 1

Danbury

Population: 286

Water Systems: 1

Dane

Population: 1,095

Water Systems: 1

Darien

Population: 1,573

Water Systems: 1

Darlington

Population: 2,235

Water Systems: 1

De Pere

Population: 37,929

Water Systems: 4

Deerfield

Population: 2,575

Water Systems: 2

Deforest

Population: 10,500

Water Systems: 1

Delafield

Population: 2,318

Water Systems: 17

Delavan

Population: 9,751

Water Systems: 8

Denmark

Population: 2,446

Water Systems: 1

Dickeyville

Population: 1,069

Water Systems: 1

Serious Violator

Dodge

Population: 120

Water Systems: 1

Dodgeville

Population: 4,623

Water Systems: 2

Dorchester

Population: 834

Water Systems: 1

Dousman

Population: 3,005

Water Systems: 3

Downsville

Population: 250

Water Systems: 1

Doylestown

Population: 45

Water Systems: 1

Dresser

Population: 897

Water Systems: 1

Drummond

Population: 250

Water Systems: 1

Dunbar

Population: 75

Water Systems: 1

Durand

Population: 1,928

Water Systems: 2

Eagle

Population: 2,100

Water Systems: 2

Eagle River

Population: 1,605

Water Systems: 2

East Troy

Population: 5,094

Water Systems: 2

Eastman

Population: 407

Water Systems: 1

Eau Claire

Population: 71,759

Water Systems: 8

Eden

Population: 400

Water Systems: 1

Edgar

Population: 1,491

Water Systems: 1

Edgerton

Population: 6,517

Water Systems: 5

Edmund

Population: 110

Water Systems: 1

Egg Harbor

Population: 130

Water Systems: 1

Elcho

Population: 400

Water Systems: 1

Eleva

Population: 635

Water Systems: 1

Elk Mound

Population: 1,026

Water Systems: 2

Elkhart Lake

Population: 1,567

Water Systems: 1

Elkhorn

Population: 10,417

Water Systems: 2

Ellison Bay

Population: 52

Water Systems: 1

Ellsworth

Population: 3,304

Water Systems: 1

Elm Grove

Population: 1,243

Water Systems: 8

Elmwood

Population: 798

Water Systems: 1

Elroy

Population: 1,333

Water Systems: 1

Embarrass

Population: 404

Water Systems: 1

Ettrick

Population: 536

Water Systems: 1

Evansville

Population: 5,970

Water Systems: 5

Exeland

Population: 196

Water Systems: 1

Fairchild

Population: 451

Water Systems: 1

Fairwater

Population: 365

Water Systems: 1

Fall Creek

Population: 1,413

Water Systems: 3

Fall River

Population: 1,793

Water Systems: 1

Fennimore

Population: 2,507

Water Systems: 1

Fifield

Population: 300

Water Systems: 1

Fitchburg

Population: 25,135

Water Systems: 4

Florence

Population: 1,280

Water Systems: 2

Fond Du Lac

Population: 46,108

Water Systems: 6

Fontana

Population: 1,839

Water Systems: 1

Footville

Population: 816

Water Systems: 1

Forest Junction

Population: 487

Water Systems: 1

Fort Atkinson

Population: 12,641

Water Systems: 4

Fort Mccoy

Population: 10,250

Water Systems: 2

Fountain City

Population: 468

Water Systems: 2

Fox Lake

Population: 3,460

Water Systems: 2

Fox Point

Population: 6,808

Water Systems: 1

Franklin

Population: 22,668

Water Systems: 3

Frederic

Population: 1,241

Water Systems: 1

Fredonia

Population: 2,279

Water Systems: 1

Freedom

Population: 3,000

Water Systems: 1

Friendship

Population: 979

Water Systems: 3

Friesland

Population: 345

Water Systems: 1

Galesville

Population: 1,679

Water Systems: 3

Gays Mills

Population: 490

Water Systems: 1

Genoa

Population: 3,210

Water Systems: 3

Germantown

Population: 20,401

Water Systems: 3

Gillett

Population: 1,264

Water Systems: 1

Gilman

Population: 372

Water Systems: 1

Glen Flora

Population: 93

Water Systems: 1

Glenbeulah

Population: 461

Water Systems: 1

Glendale

Population: 48,481

Water Systems: 2

Glenwood

Population: 1,102

Water Systems: 1

Glidden

Population: 750

Water Systems: 1

Goodman

Population: 350

Water Systems: 1

Gordon

Population: 91

Water Systems: 1

Grafton

Population: 12,469

Water Systems: 3

Grand Chute

Population: 21,627

Water Systems: 2

Granton

Population: 349

Water Systems: 1

Grantsburg

Population: 1,575

Water Systems: 2

Gratiot

Population: 224

Water Systems: 1

Green Bay

Population: 177,103

Water Systems: 5

Green Lake

Population: 1,152

Water Systems: 3

Greendale

Population: 14,393

Water Systems: 1

Greenleaf

Population: 650

Water Systems: 1

Greenville

Population: 11,460

Water Systems: 2

Greenwood

Population: 1,079

Water Systems: 1

Gresham

Population: 534

Water Systems: 1

Hager

Population: 30

Water Systems: 1

Hales Corners

Population: 600

Water Systems: 2

Hammond

Population: 1,884

Water Systems: 1

Hancock

Population: 419

Water Systems: 1

Hartford

Population: 15,859

Water Systems: 2

Hartland

Population: 9,542

Water Systems: 7

Hatley

Population: 550

Water Systems: 1

Haugen

Population: 287

Water Systems: 1

Hawkins

Population: 453

Water Systems: 2

Hayward

Population: 2,590

Water Systems: 5

Hazel Green

Population: 1,330

Water Systems: 3

Highland

Population: 842

Water Systems: 1

Hilbert

Population: 1,176

Water Systems: 1

Hillsboro

Population: 1,385

Water Systems: 2

Hixton

Population: 493

Water Systems: 2

Hobart

Population: 4,831

Water Systems: 4

Holland

Population: 495

Water Systems: 1

Hollandale

Population: 283

Water Systems: 1

Holmen

Population: 10,264

Water Systems: 2

Horicon

Population: 3,763

Water Systems: 3

Hortonville

Population: 3,028

Water Systems: 1

Houlton

Population: 170

Water Systems: 1

Hudson

Population: 17,785

Water Systems: 2

Hull

Population: 200

Water Systems: 1

Hurley

Population: 1,515

Water Systems: 1

Hustisford

Population: 1,063

Water Systems: 1

Hustler

Population: 170

Water Systems: 1

Independence

Population: 1,500

Water Systems: 1

Iola

Population: 1,249

Water Systems: 1

Irma

Population: 316

Water Systems: 1

Iron Belt

Population: 211

Water Systems: 1

Iron Ridge

Population: 937

Water Systems: 1

Iron River

Population: 600

Water Systems: 1

Ixonia

Population: 814

Water Systems: 6

Jackson

Population: 7,844

Water Systems: 1

Janesville

Population: 65,913

Water Systems: 3

Jefferson

Population: 7,926

Water Systems: 1

Johnson Creek

Population: 3,348

Water Systems: 2

Junction City

Population: 416

Water Systems: 1

Juneau

Population: 2,627

Water Systems: 1

Kansasville

Population: 350

Water Systems: 3

Kaukauna

Population: 17,189

Water Systems: 2

Kellnersville

Population: 355

Water Systems: 1

Kendall

Population: 458

Water Systems: 1

Serious Violator

Kenosha

Population: 99,443

Water Systems: 5

Kewaskum

Population: 4,309

Water Systems: 1

Kewaunee

Population: 2,848

Water Systems: 1

Kiel

Population: 3,932

Water Systems: 1

Kieler

Population: 560

Water Systems: 1

Kimberly

Population: 7,608

Water Systems: 1

King

Population: 1,240

Water Systems: 1

Knapp

Population: 459

Water Systems: 1

Kohler

Population: 2,271

Water Systems: 1

Kronenwetter

Population: 6,931

Water Systems: 1

La Crosse

Population: 55,924

Water Systems: 12

La Farge

Population: 712

Water Systems: 1

La Valle

Population: 618

Water Systems: 2

Lac Du Flambeau

Population: 100

Water Systems: 1

Ladysmith

Population: 3,218

Water Systems: 2

Lake Delton

Population: 2,989

Water Systems: 2

Lake Geneva

Population: 14,303

Water Systems: 6

Lake Mills

Population: 6,371

Water Systems: 2

Lake Tomahawk

Population: 133

Water Systems: 1

Lancaster

Population: 3,868

Water Systems: 1

Land O' Lakes

Population: 570

Water Systems: 2

Lannon

Population: 172

Water Systems: 1

Laona

Population: 1,226

Water Systems: 3

Larsen

Population: 85

Water Systems: 1

Lena

Population: 585

Water Systems: 1

Serious Violator

Leroy

Population: 320

Water Systems: 1

Linden

Population: 547

Water Systems: 1

Little Chute

Population: 12,168

Water Systems: 1

Little Suamico

Population: 90

Water Systems: 1

Livingston

Population: 664

Water Systems: 1

Lodi

Population: 5,866

Water Systems: 4

Loganville

Population: 300

Water Systems: 1

Lomira

Population: 2,510

Water Systems: 1

Lone Rock

Population: 895

Water Systems: 1

Lowell

Population: 337

Water Systems: 1

Loyal

Population: 1,308

Water Systems: 1

Luck

Population: 1,150

Water Systems: 1

Luxemburg

Population: 2,737

Water Systems: 1

Lyndon Station

Population: 474

Water Systems: 1

Madison

Population: 278,587

Water Systems: 11

Maiden Rock

Population: 118

Water Systems: 1

Manawa

Population: 1,300

Water Systems: 1

Manitowoc

Population: 34,735

Water Systems: 3

Maplewood

Population: 122

Water Systems: 1

Marathon

Population: 1,738

Water Systems: 2

Marengo

Population: 50

Water Systems: 1

Maribel

Population: 355

Water Systems: 1

Marinette

Population: 10,968

Water Systems: 1

Marion

Population: 1,293

Water Systems: 1

Markesan

Population: 1,365

Water Systems: 1

Marshall

Population: 3,862

Water Systems: 1

Marshfield

Population: 18,945

Water Systems: 2

Mattoon

Population: 450

Water Systems: 1

Mauston

Population: 4,858

Water Systems: 6

Mayville

Population: 5,112

Water Systems: 1

Mazomanie

Population: 1,829

Water Systems: 2

Mc Farland

Population: 9,331

Water Systems: 1

Mecan Tn

Population: 25

Water Systems: 1

Medford

Population: 4,369

Water Systems: 2

Mellen

Population: 731

Water Systems: 1

Melrose

Population: 524

Water Systems: 1

Menasha

Population: 92,292

Water Systems: 3

Menomonee Falls

Population: 25,663

Water Systems: 2

Menomonie

Population: 16,895

Water Systems: 6

Mequon

Population: 16,575

Water Systems: 23

Mercer

Population: 760

Water Systems: 1

Merrill

Population: 9,880

Water Systems: 3

Merrillan

Population: 591

Water Systems: 2

Merrimac

Population: 547

Water Systems: 3

Middleton

Population: 21,827

Water Systems: 1

Milladore

Population: 280

Water Systems: 1

Milltown

Population: 915

Water Systems: 1

Milton

Population: 5,588

Water Systems: 1

Milwaukee

Population: 590,547

Water Systems: 1

Mindoro

Population: 275

Water Systems: 1

Mineral Point

Population: 2,487

Water Systems: 1

Minocqua

Population: 2,615

Water Systems: 5

Minong

Population: 561

Water Systems: 1

Mishicot

Population: 1,432

Water Systems: 1

Mondovi

Population: 2,727

Water Systems: 2

Monona

Population: 7,801

Water Systems: 1

Monroe

Population: 11,086

Water Systems: 3

Montello

Population: 1,401

Water Systems: 2

Montfort

Population: 718

Water Systems: 1

Monticello

Population: 1,217

Water Systems: 1

Montreal

Population: 887

Water Systems: 1

Morrisonville

Population: 400

Water Systems: 1

Mosinee

Population: 4,766

Water Systems: 5

Mount Calvary

Population: 567

Water Systems: 1

Mount Hope

Population: 181

Water Systems: 1

Mount Horeb

Population: 7,240

Water Systems: 1

Mount Sterling

Population: 206

Water Systems: 1

Mukwonago

Population: 8,437

Water Systems: 3

Muscoda

Population: 1,453

Water Systems: 1

Muskego

Population: 10,880

Water Systems: 9

Nashotah

Population: 450

Water Systems: 1

Necedah

Population: 844

Water Systems: 1

Neenah

Population: 54,819

Water Systems: 3

Neillsville

Population: 2,501

Water Systems: 3

Nekoosa

Population: 5,214

Water Systems: 3

Nelson

Population: 375

Water Systems: 1

New Auburn

Population: 549

Water Systems: 1

New Berlin

Population: 27,899

Water Systems: 1

New Franken

Population: 1,907

Water Systems: 2

New Glarus

Population: 2,348

Water Systems: 1

New Holstein

Population: 3,311

Water Systems: 2

New Lisbon

Population: 2,526

Water Systems: 1

New London

Population: 7,460

Water Systems: 4

New Richmond

Population: 11,162

Water Systems: 4

Niagara

Population: 1,615

Water Systems: 1

Nichols

Population: 275

Water Systems: 1

North Fond Du Lac

Population: 5,014

Water Systems: 1

North Freedom

Population: 589

Water Systems: 1

North Lake

Population: 40

Water Systems: 1

North Prairie

Population: 2,100

Water Systems: 1

Norwalk

Population: 653

Water Systems: 1

Oak Creek

Population: 32,104

Water Systems: 1

Oakdale

Population: 317

Water Systems: 1

Oakfield

Population: 1,055

Water Systems: 1

Serious Violator

Oconomowoc

Population: 16,945

Water Systems: 5

Oconto

Population: 4,610

Water Systems: 1

Oconto Falls

Population: 2,972

Water Systems: 2

Okauchee

Population: 68

Water Systems: 1

Omro

Population: 3,629

Water Systems: 1

Onalaska

Population: 18,000

Water Systems: 1

Ontario

Population: 554

Water Systems: 1

Oostburg

Population: 3,110

Water Systems: 1

Oregon

Population: 12,404

Water Systems: 4

Orfordville

Population: 1,475

Water Systems: 1

Osceola

Population: 2,780

Water Systems: 2

Oshkosh

Population: 67,025

Water Systems: 3

Osseo

Population: 1,701

Water Systems: 1

Owen

Population: 1,446

Water Systems: 2

Oxford

Population: 1,625

Water Systems: 2

Paddock Lake

Population: 973

Water Systems: 2

Palmyra

Population: 1,756

Water Systems: 1

Pardeeville

Population: 2,151

Water Systems: 1

Park Falls

Population: 2,993

Water Systems: 1

Patch Grove

Population: 160

Water Systems: 1

Pell Lake

Population: 4,071

Water Systems: 1

Pence

Population: 191

Water Systems: 1

Pepin

Population: 816

Water Systems: 1

Peshtigo

Population: 3,449

Water Systems: 1

Serious Violator

Pewaukee

Population: 17,026

Water Systems: 4

Phelps

Population: 550

Water Systems: 1

Phillips

Population: 1,720

Water Systems: 2

Pigeon Falls

Population: 409

Water Systems: 1

Pittsville

Population: 800

Water Systems: 1

Plain

Population: 792

Water Systems: 1

Plainfield

Population: 862

Water Systems: 1

Platteville

Population: 12,438

Water Systems: 3

Pleasant Prairie

Population: 10,754

Water Systems: 1

Plover

Population: 13,636

Water Systems: 2

Plum

Population: 120

Water Systems: 1

Plymouth

Population: 12,080

Water Systems: 4

Port Edwards

Population: 1,866

Water Systems: 1

Port Washington

Population: 12,883

Water Systems: 2

Port Wing

Population: 400

Water Systems: 1

Portage

Population: 11,327

Water Systems: 4

Potosi

Population: 1,115

Water Systems: 3

Pound

Population: 349

Water Systems: 1

Powers Lake

Population: 400

Water Systems: 1

Poynette

Population: 2,753

Water Systems: 4

Prairie Du Chien

Population: 6,505

Water Systems: 3

Prairie Du Sac

Population: 4,666

Water Systems: 4

Prentice

Population: 660

Water Systems: 1

Prescott

Population: 4,433

Water Systems: 2

Princeton

Population: 1,166

Water Systems: 1

Pulaski

Population: 4,115

Water Systems: 2

Serious Violator

Racine

Population: 106,904

Water Systems: 2

Radisson

Population: 241

Water Systems: 1

Serious Violator

Randolph

Population: 1,800

Water Systems: 1

Random Lake

Population: 1,594

Water Systems: 1

Readstown

Population: 395

Water Systems: 1

Redgranite

Population: 2,019

Water Systems: 1

Reedsburg

Population: 10,104

Water Systems: 3

Reedsville

Population: 1,200

Water Systems: 1

Reeseville

Population: 718

Water Systems: 1

Rewey

Population: 290

Water Systems: 1

Rhinelander

Population: 8,388

Water Systems: 3

Rib Lake

Population: 945

Water Systems: 1

Rice Lake

Population: 9,026

Water Systems: 2

Richfield

Population: 165

Water Systems: 1

Richland Center

Population: 5,325

Water Systems: 2

Ridgeway

Population: 690

Water Systems: 1

Rio

Population: 1,095

Water Systems: 1

Ripon

Population: 7,800

Water Systems: 1

River Falls

Population: 15,383

Water Systems: 3

Roberts

Population: 1,872

Water Systems: 1

Rochester

Population: 38

Water Systems: 1

Rock Springs

Population: 292

Water Systems: 1

Rockland

Population: 642

Water Systems: 1

Rothschild

Population: 3,190

Water Systems: 1

Saint Cloud

Population: 494

Water Systems: 1

Saint Croix Falls

Population: 2,079

Water Systems: 1

Saint Nazianz

Population: 705

Water Systems: 1

Salem

Population: 305

Water Systems: 3

Sauk

Population: 3,518

Water Systems: 1

Saukville

Population: 4,424

Water Systems: 1

Schofield

Population: 2,205

Water Systems: 1

Seneca

Population: 250

Water Systems: 1

Sextonville

Population: 425

Water Systems: 1

Seymour

Population: 3,478

Water Systems: 1

Sharon

Population: 1,549

Water Systems: 1

Shawano

Population: 14,300

Water Systems: 3

Sheboygan

Population: 54,527

Water Systems: 2

Sheboygan Falls

Population: 8,365

Water Systems: 2

Serious Violator

Sheldon

Population: 265

Water Systems: 1

Shell Lake

Population: 950

Water Systems: 1

Sherwood

Population: 3,114

Water Systems: 1

Shiocton

Population: 921

Water Systems: 1

Shorewood

Population: 13,189

Water Systems: 1

Shullsburg

Population: 1,222

Water Systems: 1

Silver Lake

Population: 229

Water Systems: 4

Sinsinawa

Population: 213

Water Systems: 1

Siren

Population: 941

Water Systems: 1

Sister Bay

Population: 1,000

Water Systems: 1

Slinger

Population: 5,660

Water Systems: 2

Soldiers Grove

Population: 592

Water Systems: 1

Somers

Population: 1,930

Water Systems: 1

Somerset

Population: 2,929

Water Systems: 2

South Milwaukee

Population: 21,340

Water Systems: 1

South Range

Population: 200

Water Systems: 1

South Wayne

Population: 576

Water Systems: 2

Sparta

Population: 10,170

Water Systems: 2

Spencer

Population: 1,818

Water Systems: 1

Spooner

Population: 2,946

Water Systems: 3

Spring Green

Population: 2,436

Water Systems: 4

Spring Valley

Population: 1,409

Water Systems: 1

Stanley

Population: 3,500

Water Systems: 1

Star Prairie

Population: 553

Water Systems: 1

Stetsonville

Population: 563

Water Systems: 1

Stevens Point

Population: 28,840

Water Systems: 4

Stitzer

Population: 150

Water Systems: 1

Stockbridge

Population: 650

Water Systems: 1

Stoddard

Population: 793

Water Systems: 1

Stone Lake

Population: 175

Water Systems: 1

Stoughton

Population: 13,528

Water Systems: 2

Stratford

Population: 1,508

Water Systems: 1

Strum

Population: 1,100

Water Systems: 1

Sturgeon Bay

Population: 9,760

Water Systems: 2

Sturtevant

Population: 220

Water Systems: 1

Suamico

Population: 4,697

Water Systems: 1

Sullivan

Population: 525

Water Systems: 1

Sun Prairie

Population: 34,046

Water Systems: 2

Serious Violator

Superior

Population: 26,179

Water Systems: 2

Suring

Population: 659

Water Systems: 2

Sussex

Population: 11,019

Water Systems: 2

Taylor

Population: 498

Water Systems: 1

Theresa

Population: 1,262

Water Systems: 1

Thiensville

Population: 1,045

Water Systems: 16

Thorp

Population: 1,636

Water Systems: 1

Three Lakes

Population: 815

Water Systems: 2

Tigerton

Population: 740

Water Systems: 1

Tomah

Population: 9,192

Water Systems: 1

Tomahawk

Population: 3,180

Water Systems: 1

Tony

Population: 105

Water Systems: 1

Trempealeau

Population: 1,888

Water Systems: 1

Trevor

Population: 300

Water Systems: 1

Troy Center

Population: 170

Water Systems: 1

Turtle Lake

Population: 1,073

Water Systems: 1

Twin Lakes

Population: 905

Water Systems: 11

Two Rivers

Population: 11,360

Water Systems: 2

Union Center

Population: 225

Water Systems: 1

Union Grove

Population: 6,553

Water Systems: 4

Unity

Population: 32

Water Systems: 1

Valders

Population: 954

Water Systems: 1

Verona

Population: 14,030

Water Systems: 1

Vesper

Population: 491

Water Systems: 1

Viola

Population: 667

Water Systems: 1

Viroqua

Population: 4,362

Water Systems: 1

Wabeno

Population: 750

Water Systems: 1

Waldo

Population: 500

Water Systems: 1

Wales

Population: 624

Water Systems: 3

Walworth

Population: 2,384

Water Systems: 2

Warrens

Population: 540

Water Systems: 1

Washburn

Population: 2,280

Water Systems: 1

Waterford

Population: 5,884

Water Systems: 3

Waterloo

Population: 3,520

Water Systems: 1

Watertown

Population: 24,142

Water Systems: 3

Waukesha

Population: 70,798

Water Systems: 2

Waunakee

Population: 15,919

Water Systems: 4

Waupaca

Population: 6,062

Water Systems: 1

Waupun

Population: 11,802

Water Systems: 3

Wausau

Population: 46,502

Water Systems: 3

Wausaukee

Population: 593

Water Systems: 1

Wautoma

Population: 2,382

Water Systems: 2

Wauwatosa

Population: 49,064

Water Systems: 1

Wauzeka

Population: 711

Water Systems: 1

Webster

Population: 652

Water Systems: 1

West Allis

Population: 63,240

Water Systems: 1

West Baraboo

Population: 1,414

Water Systems: 1

West Bend

Population: 32,624

Water Systems: 5

West Salem

Population: 5,370

Water Systems: 3

Westboro

Population: 150

Water Systems: 1

Westby

Population: 2,228

Water Systems: 1

Westfield

Population: 89

Water Systems: 2

Weston

Population: 16,000

Water Systems: 1

Weyauwega

Population: 1,856

Water Systems: 1

Weyerhauser

Population: 238

Water Systems: 1

Wheatland

Population: 450

Water Systems: 1

Wheeler

Population: 317

Water Systems: 1

White Lake

Population: 351

Water Systems: 1

Whitefish Bay

Population: 14,272

Water Systems: 1

Whitehall

Population: 2,120

Water Systems: 2

Whitelaw

Population: 757

Water Systems: 1

Whitewater

Population: 14,280

Water Systems: 3

Wi Dells

Population: 60

Water Systems: 1

Wild Rose

Population: 92

Water Systems: 2

Williams Bay

Population: 2,601

Water Systems: 1

Wilson

Population: 170

Water Systems: 1

Wilton

Population: 490

Water Systems: 1

Winchester

Population: 70

Water Systems: 1

Windsor

Population: 2,686

Water Systems: 1

Serious Violator

Winneconne

Population: 2,502

Water Systems: 1

Winter

Population: 344

Water Systems: 1

Wiota

Population: 33

Water Systems: 1

Wisconsin Dells

Population: 3,487

Water Systems: 5

Wisconsin Rapids

Population: 21,031

Water Systems: 4

Withee

Population: 506

Water Systems: 1

Wittenberg

Population: 1,200

Water Systems: 1

Wonewoc

Population: 758

Water Systems: 1

Woodville

Population: 1,386

Water Systems: 1

Wrightstown

Population: 3,157

Water Systems: 1

Wyocena

Population: 768

Water Systems: 1

Yuba

Population: 68

Water Systems: 1