LocalDataPoint

Wisconsin Water Quality

Water hardness and quality data for 86 cities in Wisconsin, USA.

State average

213mg/L

12.4 gpg

Hardness level

🔴 Very Hard

15 lab-verified

Cities

86

87 with data

Green Bay

Pop. 105,207

🟠 Hard
130 mg/Lriver

PFAS: 0 ppt

Full report →

Madison

Pop. 280,305

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 2 ppt

Full report →

Milwaukee

Pop. 563,531

≈ Moderately Hard
60–119 mg/Lriver

PFAS: 10 ppt

Full report →

Appleton

Pop. 74,139

≈ Hard
120–179 mg/Lreservoir

PFAS: 5.9 ppt

Full report →

Beloit

Pop. 36,891

🔴 Very Hard
346 mg/Lgroundwater

PFAS: 3 ppt

Full report →

Brookfield

Pop. 38,025

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 47.4 ppt

Full report →

Eau Claire

Pop. 67,778

≈ Soft
0–59 mg/Lgroundwater

PFAS: 23.1 ppt

Full report →

Fond du Lac

Pop. 42,933

≈ Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Franklin

Pop. 36,222

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Greenfield

Pop. 37,349

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 6.5 ppt

Full report →

Janesville

Pop. 64,123

🔴 Very Hard
350 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Kenosha

Pop. 99,858

≈ Hard
120–179 mg/Lriver

PFAS: 0 ppt

Full report →

La Crosse

Pop. 52,306

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 226 ppt

Full report →

Manitowoc

Pop. 33,010

≈ Very Hard
180+ mg/Lreservoir

PFAS: 0 ppt

Full report →

Menomonee Falls

Pop. 36,119

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

New Berlin

Pop. 39,825

🟠 Hard
136.96 mg/Lreservoir

PFAS: 0 ppt

Full report →

North La Crosse

Unincorporated area

Pop. 50,470

≈ Hard
120–179 mg/Lgroundwater

PFAS: 5.6 ppt

Full report →

Oak Creek

Pop. 35,243

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Oshkosh

Pop. 66,555

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Racine

Pop. 77,742

≈ Very Hard
180+ mg/Lreservoir

PFAS: 0 ppt

Full report →

Sheboygan

Pop. 48,797

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Sun Prairie

Pop. 32,365

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 0 ppt

Full report →

Waukesha

Pop. 71,970

≈ Very Hard
180+ mg/Lreservoir

PFAS: 0 ppt

Full report →

Wausau

Pop. 39,094

🟡 Moderately Hard
71 mg/Lgroundwater

PFAS: 5 ppt

Full report →

Wauwatosa

Pop. 47,614

≈ Very Hard
180+ mg/Lreservoir

PFAS: 0 ppt

Full report →

West Allis

Pop. 60,620

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

West Bend

Pop. 31,695

≈ Hard
120–179 mg/Lgroundwater

PFAS: 10.4 ppt

Full report →

Allouez

Pop. 13,930

🟠 Hard
128.4 mg/Lgroundwater

PFAS: 4.8 ppt

Full report →

Ashwaubenon

Pop. 17,176

🟠 Hard
130 mg/Lreservoir

PFAS: 0 ppt

Full report →

Baraboo

Pop. 12,155

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 0 ppt

Full report →

Beaver Dam

Pop. 16,564

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 0 ppt

Full report →

Bellevue

Pop. 15,317

≈ Hard
120–179 mg/Lgroundwater

PFAS: 3.1 ppt

Full report →

Brown Deer

Pop. 12,102

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Burlington

Pop. 10,650

≈ Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Caledonia

Pop. 24,684

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Cedarburg

Pop. 11,482

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 0 ppt

Full report →

Chippewa Falls

Pop. 14,047

≈ Soft
0–59 mg/Lgroundwater

PFAS: 4.8 ppt

Full report →

Cudahy

Pop. 18,353

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

De Pere

Pop. 24,724

🟠 Hard
139 mg/Lreservoir

PFAS: 0 ppt

Full report →

Fitchburg

Pop. 27,996

≈ Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Fort Atkinson

Pop. 12,426

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 0 ppt

Full report →

Germantown

Pop. 19,993

🔴 Very Hard
410.88 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Glendale

Pop. 12,870

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Grafton

Pop. 11,527

🔴 Very Hard
377 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Greendale

Pop. 14,333

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Hartford

Pop. 14,355

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 48.9 ppt

Full report →

Howard

Pop. 19,250

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 5.5 ppt

Full report →

Hudson

Pop. 13,566

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 106.5 ppt

Full report →

Kaukauna

Pop. 15,854

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 0 ppt

Full report →

Little Chute

Pop. 11,026

≈ Very Hard
253 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Marinette

Pop. 10,799

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Marshfield

Pop. 18,620

≈ Hard
120–179 mg/Lgroundwater

PFAS: 122.8 ppt

Full report →

Menasha

Pop. 17,572

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Menomonie

Pop. 16,305

≈ Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Mequon

Pop. 23,132

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Middleton

Pop. 18,979

≈ Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Monroe

Pop. 10,796

🟡 Moderately Hard
77 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Mount Pleasant

Pop. 26,272

≈ Hard
120–179 mg/Lgroundwater

PFAS: 3.9 ppt

Full report →

Muskego

Pop. 24,755

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 0 ppt

Full report →

Neenah

Pop. 25,792

≈ Hard
160 mg/Lreservoir

PFAS: 0 ppt

Full report →

Oconomowoc

Pop. 16,360

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 19.7 ppt

Full report →

Onalaska

Pop. 18,468

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 7.5 ppt

Full report →

Oregon

Pop. 10,043

🔴 Very Hard
310 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Platteville

Pop. 12,572

≈ Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Pleasant Prairie

Pop. 20,726

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Plover

Pop. 12,319

≈ Hard
120–179 mg/Lgroundwater

PFAS: 13.4 ppt

Full report →

Port Washington

Pop. 11,576

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Portage

Pop. 10,382

≈ Hard
120–179 mg/Lgroundwater

PFAS: 15.3 ppt

Full report →

Richfield

Pop. 11,530

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 3.5 ppt

Full report →

River Falls

Pop. 15,269

≈ Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Salem

Pop. 11,416

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 4.5 ppt

Full report →

Shorewood

Pop. 13,311

≈ Soft
0–59 mg/Lreservoir

PFAS: 0 ppt

Full report →

South Milwaukee

Pop. 21,233

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Stevens Point

Pop. 26,604

≈ Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Stoughton

Pop. 13,067

🔴 Very Hard
308.16 mg/Lgroundwater

PFAS: 7.1 ppt

Full report →

Suamico

Pop. 12,187

≈ Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Superior

Pop. 26,579

≈ Hard
120–179 mg/Lreservoir

PFAS: 0 ppt

Full report →

Sussex

Pop. 10,753

🔴 Very Hard
300 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Two Rivers

Pop. 11,331

≈ Very Hard
180+ mg/Lreservoir

PFAS: 0 ppt

Full report →

Verona

Pop. 12,540

🔴 Very Hard
340.4 mg/Lgroundwater

PFAS: 10.1 ppt

Full report →

Watertown

Pop. 23,819

≈ Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Waunakee

Pop. 13,311

≈ Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Waupun

Pop. 11,343

≈ Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →

Weston

Pop. 15,069

≈ Moderately Hard
81.5 mg/Lgroundwater

PFAS: 166.8 ppt

Full report →

Whitefish Bay

Pop. 14,110

≈ Hard
120–179 mg/Lgroundwater

PFAS: 3.1 ppt

Full report →

Whitewater

Pop. 14,692

≈ Very Hard
180+ mg/Lgroundwater

PFAS: 0 ppt

Full report →

Wisconsin Rapids

Pop. 17,897

≈ Hard
120–179 mg/Lgroundwater

PFAS: 0 ppt

Full report →