Minnesota Water Quality

696 ZIP codes analyzed across 647 cities. Average water quality score: 81/100 (national average: 50/100).

Minneapolis

26 ZIPs

A

Saint Paul

13 ZIPs

A

Duluth

4 ZIPs

A

Rochester

3 ZIPs

A

Detroit Lakes

2 ZIPs

D

Fergus Falls

2 ZIPs

A

Hugo

2 ZIPs

A

Inver Grove Heights

2 ZIPs

D

Mankato

2 ZIPs

B

Saint Cloud

2 ZIPs

A

Young America

2 ZIPs

B

Ada

1 ZIP

A

Adams

1 ZIP

A

Adrian

1 ZIP

B

Aitkin

1 ZIP

B

Akeley

1 ZIP

A

Albany

1 ZIP

B

Albert Lea

1 ZIP

A

Alberta

1 ZIP

A

Albertville

1 ZIP

A

Alden

1 ZIP

A

Alexandria

1 ZIP

B

Alpha

1 ZIP

A

Altura

1 ZIP

A

Alvarado

1 ZIP

A

Amboy

1 ZIP

C

Andover

1 ZIP

B

Annandale

1 ZIP

A

Anoka

1 ZIP

B

Appleton

1 ZIP

C

Arco

1 ZIP

A

Argyle

1 ZIP

A

Arlington

1 ZIP

B

Ashby

1 ZIP

B

Askov

1 ZIP

B

Atwater

1 ZIP

A

Audubon

1 ZIP

A

Aurora

1 ZIP

A

Austin

1 ZIP

C

Avoca

1 ZIP

B

Avon

1 ZIP

B

Babbitt

1 ZIP

A

Backus

1 ZIP

A

Badger

1 ZIP

B

Bagley

1 ZIP

B

Balaton

1 ZIP

A

Barnesville

1 ZIP

A

Barnum

1 ZIP

C

Barrett

1 ZIP

A

Battle Lake

1 ZIP

A

Baudette

1 ZIP

B

Baxter

1 ZIP

A

Bayport

1 ZIP

A

Beardsley

1 ZIP

B

Beaver Bay

1 ZIP

C

Beaver Creek

1 ZIP

A

Becker

1 ZIP

A

Bejou

1 ZIP

B

Belgrade

1 ZIP

A

Belle Plaine

1 ZIP

A

Bellingham

1 ZIP

A

Beltrami

1 ZIP

A

Belview

1 ZIP

A

Bemidji

1 ZIP

A

Benson

1 ZIP

A

Bertha

1 ZIP

A

Big Falls

1 ZIP

C

Big Lake

1 ZIP

B

Bigelow

1 ZIP

B

Bigfork

1 ZIP

A

Bingham Lake

1 ZIP

A

Bird Island

1 ZIP

B

Biwabik

1 ZIP

A

Blackduck

1 ZIP

A

Blomkest

1 ZIP

D

Blooming Prairie

1 ZIP

A

Blue Earth

1 ZIP

A

Bock

1 ZIP

A

Borup

1 ZIP

C

Bovey

1 ZIP

A

Bowlus

1 ZIP

B

Boyd

1 ZIP

B

Braham

1 ZIP

A

Brainerd

1 ZIP

B

Brandon

1 ZIP

A

Breckenridge

1 ZIP

A

Brewster

1 ZIP

A

Bricelyn

1 ZIP

A

Brook Park

1 ZIP

D

Brooten

1 ZIP

A

Browerville

1 ZIP

A

Browns Valley

1 ZIP

B

Brownsdale

1 ZIP

A

Brownton

1 ZIP

A

Buckman

1 ZIP

A

Buffalo

1 ZIP

A

Buffalo Lake

1 ZIP

C

Buhl

1 ZIP

B

Burnsville

1 ZIP

A

Butterfield

1 ZIP

B

Byron

1 ZIP

A

Caledonia

1 ZIP

A

Callaway

1 ZIP

A

Calumet

1 ZIP

A

Cambridge

1 ZIP

A

Campbell

1 ZIP

A

Canby

1 ZIP

A

Cannon Falls

1 ZIP

A

Canton

1 ZIP

A

Carlos

1 ZIP

A

Carlton

1 ZIP

A

Carver

1 ZIP

A

Cass Lake

1 ZIP

B

Cedar

1 ZIP

B

Center City

1 ZIP

B

Ceylon

1 ZIP

A

Champlin

1 ZIP

C

Chandler

1 ZIP

B

Chanhassen

1 ZIP

A

Chaska

1 ZIP

A

Chatfield

1 ZIP

A

Chisago City

1 ZIP

A

Chisholm

1 ZIP

A

Chokio

1 ZIP

B

Circle Pines

1 ZIP

A

Clara City

1 ZIP

B

Claremont

1 ZIP

C

Clarissa

1 ZIP

A

Clarkfield

1 ZIP

B

Clarks Grove

1 ZIP

A

Clear Lake

1 ZIP

B

Clearbrook

1 ZIP

A

Clearwater

1 ZIP

B

Clements

1 ZIP

A

Cleveland

1 ZIP

A

Climax

1 ZIP

D

Clinton

1 ZIP

A

Cloquet

1 ZIP

A

Cohasset

1 ZIP

A

Cokato

1 ZIP

A

Cold Spring

1 ZIP

C

Coleraine

1 ZIP

A

Collegeville

1 ZIP

B

Cologne

1 ZIP

A

Comfrey

1 ZIP

A

Comstock

1 ZIP

C

Conger

1 ZIP

A

Cook

1 ZIP

A

Correll

1 ZIP

C

Cosmos

1 ZIP

B

Cottage Grove

1 ZIP

B

Cottonwood

1 ZIP

A

Courtland

1 ZIP

A

Cromwell

1 ZIP

A

Crookston

1 ZIP

A

Crosby

1 ZIP

B

Crosslake

1 ZIP

A

Crystal Bay

1 ZIP

A

Currie

1 ZIP

A

Cyrus

1 ZIP

A

Dalton

1 ZIP

B

Danube

1 ZIP

B

Darfur

1 ZIP

B

Darwin

1 ZIP

B

Dassel

1 ZIP

A

Dawson

1 ZIP

B

Dayton

1 ZIP

A

Deer Creek

1 ZIP

A

Deer River

1 ZIP

B

Deerwood

1 ZIP

A

Delano

1 ZIP

A

Delavan

1 ZIP

B

Dennison

1 ZIP

B

Dexter

1 ZIP

A

Dilworth

1 ZIP

C

Dodge Center

1 ZIP

B

Donnelly

1 ZIP

A

Dover

1 ZIP

A

Dovray

1 ZIP

B

Dumont

1 ZIP

C

Dundas

1 ZIP

A

Dunnell

1 ZIP

A

Eagle Bend

1 ZIP

A

Eagle Lake

1 ZIP

A

East Grand Forks

1 ZIP

A

Easton

1 ZIP

A

Echo

1 ZIP

A

Eden Prairie

1 ZIP

A

Eden Valley

1 ZIP

A

Edgerton

1 ZIP

C

Eitzen

1 ZIP

B

Elbow Lake

1 ZIP

A

Elgin

1 ZIP

B

Elk River

1 ZIP

A

Elko

1 ZIP

C

Elkton

1 ZIP

B

Ellendale

1 ZIP

B

Ellsworth

1 ZIP

C

Elmore

1 ZIP

A

Ely

1 ZIP

B

Elysian

1 ZIP

C

Emmons

1 ZIP

A

Erskine

1 ZIP

A

Evansville

1 ZIP

A

Eveleth

1 ZIP

B

Excelsior

1 ZIP

B

Eyota

1 ZIP

A

Fairfax

1 ZIP

A

Fairmont

1 ZIP

A

Faribault

1 ZIP

B

Farmington

1 ZIP

A

Felton

1 ZIP

B

Fertile

1 ZIP

A

Finlayson

1 ZIP

A

Fisher

1 ZIP

A

Flom

1 ZIP

C

Floodwood

1 ZIP

B

Foley

1 ZIP

B

Forest Lake

1 ZIP

A

Foreston

1 ZIP

A

Fosston

1 ZIP

A

Fountain

1 ZIP

A

Franklin

1 ZIP

A

Frazee

1 ZIP

A

Freeborn

1 ZIP

B

Freeport

1 ZIP

A

Frost

1 ZIP

A

Fulda

1 ZIP

B

Garfield

1 ZIP

A

Garrison

1 ZIP

A

Garvin

1 ZIP

A

Gary

1 ZIP

A

Gaylord

1 ZIP

A

Geneva

1 ZIP

A

Georgetown

1 ZIP

B

Ghent

1 ZIP

A

Gibbon

1 ZIP

C

Gilbert

1 ZIP

A

Glencoe

1 ZIP

A

Glenville

1 ZIP

C

Glenwood

1 ZIP

B

Glyndon

1 ZIP

A

Gonvick

1 ZIP

A

Good Thunder

1 ZIP

B

Goodhue

1 ZIP

A

Goodridge

1 ZIP

A

Graceville

1 ZIP

A

Granada

1 ZIP

B

Grand Marais

1 ZIP

A

Grand Meadow

1 ZIP

A

Grand Portage

1 ZIP

F

Grand Rapids

1 ZIP

A

Granite Falls

1 ZIP

C

Grasston

1 ZIP

C

Green Isle

1 ZIP

C

Greenbush

1 ZIP

A

Grey Eagle

1 ZIP

A

Grove City

1 ZIP

A

Grygla

1 ZIP

A

Hackensack

1 ZIP

A

Hallock

1 ZIP

A

Halstad

1 ZIP

B

Hamburg

1 ZIP

B

Hamel

1 ZIP

A

Hampton

1 ZIP

B

Hancock

1 ZIP

A

Hanley Falls

1 ZIP

A

Hanska

1 ZIP

A

Hardwick

1 ZIP

A

Harmony

1 ZIP

A

Harris

1 ZIP

B

Hartland

1 ZIP

C

Hastings

1 ZIP

B

Hawley

1 ZIP

A

Hayfield

1 ZIP

A

Hayward

1 ZIP

B

Hector

1 ZIP

B

Henderson

1 ZIP

B

Hendricks

1 ZIP

A

Hendrum

1 ZIP

C

Henning

1 ZIP

B

Herman

1 ZIP

B

Heron Lake

1 ZIP

A

Hewitt

1 ZIP

A

Hibbing

1 ZIP

B

Hill City

1 ZIP

A

Hills

1 ZIP

A

Hinckley

1 ZIP

D

Hitterdal

1 ZIP

A

Hoffman

1 ZIP

A

Hokah

1 ZIP

A

Holdingford

1 ZIP

A

Holland

1 ZIP

A

Hollandale

1 ZIP

B

Holloway

1 ZIP

B

Hopkins

1 ZIP

A

Houston

1 ZIP

B

Howard Lake

1 ZIP

B

Hoyt Lakes

1 ZIP

A

Hutchinson

1 ZIP

A

International Falls

1 ZIP

A

Iona

1 ZIP

A

Iron

1 ZIP

A

Ironton

1 ZIP

A

Isanti

1 ZIP

B

Isle

1 ZIP

B

Ivanhoe

1 ZIP

A

Jackson

1 ZIP

A

Janesville

1 ZIP

A

Jasper

1 ZIP

B

Jeffers

1 ZIP

A

Jordan

1 ZIP

B

Kandiyohi

1 ZIP

A

Karlstad

1 ZIP

A

Kasota

1 ZIP

C

Kasson

1 ZIP

A

Keewatin

1 ZIP

A

Kelliher

1 ZIP

A

Kellogg

1 ZIP

A

Kennedy

1 ZIP

A

Kenneth

1 ZIP

A

Kensington

1 ZIP

A

Kent

1 ZIP

B

Kenyon

1 ZIP

A

Kerkhoven

1 ZIP

A

Kettle River

1 ZIP

A

Kiester

1 ZIP

A

Kilkenny

1 ZIP

A

Kimball

1 ZIP

A

Kinney

1 ZIP

A

La Crescent

1 ZIP

C

La Salle

1 ZIP

B

Lafayette

1 ZIP

B

Lake Benton

1 ZIP

A

Lake Bronson

1 ZIP

A

Lake City

1 ZIP

C

Lake Crystal

1 ZIP

B

Lake Elmo

1 ZIP

B

Lake Lillian

1 ZIP

D

Lake Park

1 ZIP

A

Lake Wilson

1 ZIP

A

Lakefield

1 ZIP

A

Lakeland

1 ZIP

A

Lakeville

1 ZIP

B

Lamberton

1 ZIP

B

Lancaster

1 ZIP

D

Lanesboro

1 ZIP

A

Lansing

1 ZIP

A

Laporte

1 ZIP

A

Le Center

1 ZIP

D

Le Roy

1 ZIP

A

Le Sueur

1 ZIP

A

Leota

1 ZIP

B

Lester Prairie

1 ZIP

A

Lewiston

1 ZIP

C

Lewisville

1 ZIP

A

Lindstrom

1 ZIP

B

Lismore

1 ZIP

A

Litchfield

1 ZIP

B

Little Falls

1 ZIP

A

Littlefork

1 ZIP

A

Long Lake

1 ZIP

A

Long Prairie

1 ZIP

A

Longville

1 ZIP

A

Lonsdale

1 ZIP

B

Loretto

1 ZIP

A

Lowry

1 ZIP

A

Lucan

1 ZIP

B

Luverne

1 ZIP

A

Lyle

1 ZIP

B

Lynd

1 ZIP

A

Mabel

1 ZIP

B

Madelia

1 ZIP

A

Madison

1 ZIP

A

Madison Lake

1 ZIP

B

Magnolia

1 ZIP

A

Mahnomen

1 ZIP

A

Mantorville

1 ZIP

A

Maple Lake

1 ZIP

A

Maple Plain

1 ZIP

A

Mapleton

1 ZIP

A

Marble

1 ZIP

B

Marietta

1 ZIP

A

Marine On Saint Croix

1 ZIP

A

Marshall

1 ZIP

A

Mayer

1 ZIP

A

Maynard

1 ZIP

A

Mazeppa

1 ZIP

B

Mcgregor

1 ZIP

A

Mcintosh

1 ZIP

A

Meadowlands

1 ZIP

B

Medford

1 ZIP

B

Melrose

1 ZIP

B

Menahga

1 ZIP

A

Middle River

1 ZIP

A

Milaca

1 ZIP

B

Milan

1 ZIP

B

Millville

1 ZIP

A

Milroy

1 ZIP

A

Miltona

1 ZIP

B

Minneota

1 ZIP

A

Minnesota City

1 ZIP

C

Minnesota Lake

1 ZIP

A

Minnetonka Beach

1 ZIP

A

Montevideo

1 ZIP

A

Montgomery

1 ZIP

A

Monticello

1 ZIP

B

Montrose

1 ZIP

A

Moorhead

1 ZIP

A

Moose Lake

1 ZIP

B

Mora

1 ZIP

B

Morgan

1 ZIP

A

Morris

1 ZIP

B

Morristown

1 ZIP

A

Morton

1 ZIP

D

Motley

1 ZIP

A

Mound

1 ZIP

A

Mountain Iron

1 ZIP

A

Mountain Lake

1 ZIP

A

Murdock

1 ZIP

B

Nashwauk

1 ZIP

A

Nassau

1 ZIP

A

Nerstrand

1 ZIP

A

Nett Lake

1 ZIP

F

Nevis

1 ZIP

A

New Auburn

1 ZIP

A

New Germany

1 ZIP

B

New London

1 ZIP

B

New Munich

1 ZIP

C

New Prague

1 ZIP

A

New Richland

1 ZIP

B

New Ulm

1 ZIP

A

New York Mills

1 ZIP

A

Newfolden

1 ZIP

A

Newport

1 ZIP

A

Nicollet

1 ZIP

B

Nielsville

1 ZIP

A

Nisswa

1 ZIP

A

Norcross

1 ZIP

C

North Branch

1 ZIP

A

Northfield

1 ZIP

A

Northome

1 ZIP

A

Northrop

1 ZIP

A

Odessa

1 ZIP

B

Odin

1 ZIP

A

Ogema

1 ZIP

A

Ogilvie

1 ZIP

B

Okabena

1 ZIP

A

Oklee

1 ZIP

A

Olivia

1 ZIP

A

Onamia

1 ZIP

D

Ormsby

1 ZIP

A

Oronoco

1 ZIP

A

Orr

1 ZIP

A

Ortonville

1 ZIP

B

Osakis

1 ZIP

A

Oslo

1 ZIP

A

Osseo

1 ZIP

A

Ostrander

1 ZIP

B

Ottertail

1 ZIP

A

Owatonna

1 ZIP

A

Palisade

1 ZIP

A

Park Rapids

1 ZIP

B

Parkers Prairie

1 ZIP

A

Paynesville

1 ZIP

A

Pease

1 ZIP

A

Pelican Rapids

1 ZIP

C

Pemberton

1 ZIP

B

Pennock

1 ZIP

B

Pequot Lakes

1 ZIP

A

Perham

1 ZIP

A

Perley

1 ZIP

A

Peterson

1 ZIP

A

Pierz

1 ZIP

A

Pillager

1 ZIP

A

Pine City

1 ZIP

A

Pine Island

1 ZIP

A

Pine River

1 ZIP

B

Pipestone

1 ZIP

A

Plainview

1 ZIP

A

Plato

1 ZIP

A

Plummer

1 ZIP

C

Porter

1 ZIP

B

Preston

1 ZIP

B

Princeton

1 ZIP

A

Prinsburg

1 ZIP

A

Prior Lake

1 ZIP

D

Puposky

1 ZIP

B

Racine

1 ZIP

A

Randall

1 ZIP

A

Randolph

1 ZIP

C

Ranier

1 ZIP

A

Raymond

1 ZIP

A

Reading

1 ZIP

D

Red Lake Falls

1 ZIP

B

Red Wing

1 ZIP

B

Redlake

1 ZIP

F

Redwood Falls

1 ZIP

A

Remer

1 ZIP

A

Renville

1 ZIP

A

Revere

1 ZIP

A

Rice

1 ZIP

A

Richmond

1 ZIP

A

Rockford

1 ZIP

A

Rockville

1 ZIP

A

Rogers

1 ZIP

A

Rollingstone

1 ZIP

A

Rose Creek

1 ZIP

A

Roseau

1 ZIP

B

Rosemount

1 ZIP

A

Rothsay

1 ZIP

A

Round Lake

1 ZIP

A

Royalton

1 ZIP

A

Rush City

1 ZIP

C

Rushford

1 ZIP

A

Rushmore

1 ZIP

A

Russell

1 ZIP

B

Ruthton

1 ZIP

B

Sabin

1 ZIP

B

Sacred Heart

1 ZIP

A

Saint Bonifacius

1 ZIP

B

Saint Charles

1 ZIP

A

Saint Clair

1 ZIP

A

Saint Francis

1 ZIP

A

Saint Hilaire

1 ZIP

A

Saint James

1 ZIP

A

Saint Joseph

1 ZIP

A

Saint Martin

1 ZIP

C

Saint Paul Park

1 ZIP

A

Saint Peter

1 ZIP

A

Salol

1 ZIP

C

Sanborn

1 ZIP

A

Sandstone

1 ZIP

B

Sargeant

1 ZIP

A

Sartell

1 ZIP

B

Sauk Centre

1 ZIP

A

Sauk Rapids

1 ZIP

A

Savage

1 ZIP

B

Scandia

1 ZIP

B

Sebeka

1 ZIP

B

Shafer

1 ZIP

A

Shakopee

1 ZIP

A

Shelly

1 ZIP

A

Sherburn

1 ZIP

A

Shevlin

1 ZIP

B

Silver Bay

1 ZIP

A

Silver Lake

1 ZIP

B

Slayton

1 ZIP

B

Sleepy Eye

1 ZIP

A

South Haven

1 ZIP

B

South Saint Paul

1 ZIP

C

Spicer

1 ZIP

A

Spring Grove

1 ZIP

A

Spring Park

1 ZIP

A

Spring Valley

1 ZIP

A

Springfield

1 ZIP

A

Stacy

1 ZIP

C

Staples

1 ZIP

A

Starbuck

1 ZIP

A

Steen

1 ZIP

A

Stephen

1 ZIP

A

Stewart

1 ZIP

C

Stewartville

1 ZIP

A

Stillwater

1 ZIP

A

Stockton

1 ZIP

A

Storden

1 ZIP

A

Strandquist

1 ZIP

C

Sturgeon Lake

1 ZIP

A

Swanville

1 ZIP

B

Taconite

1 ZIP

C

Taunton

1 ZIP

A

Taylors Falls

1 ZIP

B

Thief River Falls

1 ZIP

D

Tintah

1 ZIP

C

Tower

1 ZIP

B

Tracy

1 ZIP

A

Trimont

1 ZIP

A

Truman

1 ZIP

A

Twin Lakes

1 ZIP

B

Twin Valley

1 ZIP

A

Two Harbors

1 ZIP

A

Tyler

1 ZIP

B

Ulen

1 ZIP

A

Underwood

1 ZIP

A

Upsala

1 ZIP

A

Utica

1 ZIP

A

Vergas

1 ZIP

A

Vermillion

1 ZIP

A

Verndale

1 ZIP

A

Vernon Center

1 ZIP

B

Vesta

1 ZIP

A

Victoria

1 ZIP

D

Viking

1 ZIP

A

Virginia

1 ZIP

A

Wabasha

1 ZIP

A

Wabasso

1 ZIP

B

Waconia

1 ZIP

A

Wadena

1 ZIP

A

Waite Park

1 ZIP

A

Waldorf

1 ZIP

A

Walker

1 ZIP

A

Walnut Grove

1 ZIP

A

Waltham

1 ZIP

A

Wanamingo

1 ZIP

A

Wanda

1 ZIP

B

Warba

1 ZIP

B

Warren

1 ZIP

A

Warroad

1 ZIP

B

Warsaw

1 ZIP

D

Waseca

1 ZIP

A

Watertown

1 ZIP

B

Waterville

1 ZIP

A

Watkins

1 ZIP

A

Watson

1 ZIP

C

Waubun

1 ZIP

B

Waverly

1 ZIP

A

Wayzata

1 ZIP

A

Webster

1 ZIP

B

Welch

1 ZIP

D

Welcome

1 ZIP

A

Wells

1 ZIP

A

Wendell

1 ZIP

C

West Concord

1 ZIP

A

Westbrook

1 ZIP

A

Wheaton

1 ZIP

A

White Earth

1 ZIP

F

Willernie

1 ZIP

B

Willmar

1 ZIP

A

Willow River

1 ZIP

A

Wilmont

1 ZIP

A

Windom

1 ZIP

A

Winger

1 ZIP

D

Winnebago

1 ZIP

A

Winona

1 ZIP

C

Winsted

1 ZIP

A

Winthrop

1 ZIP

A

Winton

1 ZIP

B

Wolverton

1 ZIP

A

Wood Lake

1 ZIP

A

Woodstock

1 ZIP

A

Worthington

1 ZIP

A

Wrenshall

1 ZIP

A

Wykoff

1 ZIP

A

Wyoming

1 ZIP

A

Zimmerman

1 ZIP

B

Zumbro Falls

1 ZIP

B

Zumbrota

1 ZIP

A