Missouri Water Quality

666 ZIP codes analyzed across 629 cities. Average water quality score: 57/100 (national average: 50/100).

Kansas City

9 ZIPs

A

Saint Louis

9 ZIPs

B

Springfield

5 ZIPs

C

Columbia

4 ZIPs

B

Independence

4 ZIPs

A

Jefferson City

3 ZIPs

B

Lees Summit

3 ZIPs

D

Branson

2 ZIPs

B

Hollister

2 ZIPs

C

Joplin

2 ZIPs

C

Saint Charles

2 ZIPs

A

Adrian

1 ZIP

D

Advance

1 ZIP

A

Alba

1 ZIP

D

Albany

1 ZIP

B

Alma

1 ZIP

B

Altamont

1 ZIP

C

Alton

1 ZIP

C

Amazonia

1 ZIP

B

Amoret

1 ZIP

D

Amsterdam

1 ZIP

F

Anderson

1 ZIP

B

Annapolis

1 ZIP

C

Appleton City

1 ZIP

D

Arbyrd

1 ZIP

C

Arcadia

1 ZIP

B

Archie

1 ZIP

F

Arcola

1 ZIP

C

Argyle

1 ZIP

D

Arnold

1 ZIP

A

Arrow Rock

1 ZIP

D

Asbury

1 ZIP

A

Ash Grove

1 ZIP

F

Ashland

1 ZIP

C

Atlanta

1 ZIP

C

Aurora

1 ZIP

C

Auxvasse

1 ZIP

A

Ava

1 ZIP

D

Bakersfield

1 ZIP

C

Ballwin

1 ZIP

C

Barnard

1 ZIP

A

Barnett

1 ZIP

D

Barnhart

1 ZIP

A

Bates City

1 ZIP

A

Beaufort

1 ZIP

D

Belgrade

1 ZIP

A

Bell City

1 ZIP

A

Belle

1 ZIP

C

Bellflower

1 ZIP

C

Belton

1 ZIP

A

Benton

1 ZIP

B

Berger

1 ZIP

B

Bernie

1 ZIP

B

Bertrand

1 ZIP

F

Bethany

1 ZIP

C

Bevier

1 ZIP

A

Billings

1 ZIP

B

Birch Tree

1 ZIP

A

Bismarck

1 ZIP

C

Blackwater

1 ZIP

F

Blairstown

1 ZIP

D

Bland

1 ZIP

D

Blodgett

1 ZIP

D

Bloomfield

1 ZIP

B

Bloomsdale

1 ZIP

C

Blue Eye

1 ZIP

C

Blue Springs

1 ZIP

A

Bogard

1 ZIP

A

Bois D Arc

1 ZIP

C

Bolckow

1 ZIP

A

Bolivar

1 ZIP

C

BONNE TERRE

1 ZIP

B

Bonnots Mill

1 ZIP

A

Boonville

1 ZIP

D

Bosworth

1 ZIP

B

Bourbon

1 ZIP

D

Bowling Green

1 ZIP

B

Brashear

1 ZIP

B

Braymer

1 ZIP

C

Breckenridge

1 ZIP

F

Brighton

1 ZIP

F

Brinktown

1 ZIP

C

Bronaugh

1 ZIP

F

BROOKFIELD

1 ZIP

C

Brookline Station

1 ZIP

D

Broseley

1 ZIP

A

Browning

1 ZIP

A

Brunswick

1 ZIP

A

Bucklin

1 ZIP

D

Buckner

1 ZIP

A

Buffalo

1 ZIP

C

Bunceton

1 ZIP

D

Bunker

1 ZIP

C

Burfordville

1 ZIP

D

Burlington Junction

1 ZIP

C

Butler

1 ZIP

B

Cabool

1 ZIP

A

Cainsville

1 ZIP

B

Caledonia

1 ZIP

C

Calhoun

1 ZIP

B

California

1 ZIP

C

Callao

1 ZIP

C

Camden

1 ZIP

B

Camden Point

1 ZIP

B

Camdenton

1 ZIP

B

Cameron

1 ZIP

B

Campbell

1 ZIP

C

Canalou

1 ZIP

C

Canton

1 ZIP

B

Cape Fair

1 ZIP

D

Cape Girardeau

1 ZIP

D

Cardwell

1 ZIP

D

Carl Junction

1 ZIP

B

Carrollton

1 ZIP

A

Carterville

1 ZIP

C

Carthage

1 ZIP

B

Caruthersville

1 ZIP

A

Cassville

1 ZIP

B

Cedar Hill

1 ZIP

C

Centertown

1 ZIP

D

Centerview

1 ZIP

A

Centerville

1 ZIP

D

Centralia

1 ZIP

A

Chadwick

1 ZIP

C

Chaffee

1 ZIP

D

Chamois

1 ZIP

C

Charleston

1 ZIP

A

Chesterfield

1 ZIP

C

Chilhowee

1 ZIP

B

Chillicothe

1 ZIP

A

Chula

1 ZIP

A

Clarence

1 ZIP

B

Clark

1 ZIP

B

Clarksburg

1 ZIP

C

Clarksdale

1 ZIP

A

Clarksville

1 ZIP

C

Clarkton

1 ZIP

D

Clearmont

1 ZIP

D

Cleveland

1 ZIP

C

Clever

1 ZIP

D

Climax Springs

1 ZIP

B

Clinton

1 ZIP

B

Coffey

1 ZIP

D

Cole Camp

1 ZIP

B

Collins

1 ZIP

A

Conception Junction

1 ZIP

B

Concordia

1 ZIP

D

Conway

1 ZIP

D

Cosby

1 ZIP

A

Cowgill

1 ZIP

C

Craig

1 ZIP

C

Crane

1 ZIP

F

Creighton

1 ZIP

D

Crocker

1 ZIP

C

Cross Timbers

1 ZIP

D

Crystal City

1 ZIP

A

Cuba

1 ZIP

C

Curryville

1 ZIP

C

Dadeville

1 ZIP

C

Dawn

1 ZIP

B

De Kalb

1 ZIP

A

De Soto

1 ZIP

C

Dearborn

1 ZIP

B

Deepwater

1 ZIP

C

Deerfield

1 ZIP

C

Defiance

1 ZIP

D

Delta

1 ZIP

B

Dexter

1 ZIP

A

Diamond

1 ZIP

A

Diggins

1 ZIP

C

Dittmer

1 ZIP

D

Dixon

1 ZIP

D

Doniphan

1 ZIP

C

Downing

1 ZIP

B

Drexel

1 ZIP

C

Dudley

1 ZIP

B

Duenweg

1 ZIP

C

Dunnegan

1 ZIP

F

Eagle Rock

1 ZIP

C

Eagleville

1 ZIP

D

East Lynne

1 ZIP

B

East Prairie

1 ZIP

B

Easton

1 ZIP

B

Edgar Springs

1 ZIP

C

Edgerton

1 ZIP

B

Edina

1 ZIP

B

El Dorado Springs

1 ZIP

C

Eldon

1 ZIP

C

Ellington

1 ZIP

C

Ellsinore

1 ZIP

B

Elmo

1 ZIP

B

Elsberry

1 ZIP

B

EMINENCE

1 ZIP

A

Emma

1 ZIP

B

Essex

1 ZIP

C

Eureka

1 ZIP

B

Everton

1 ZIP

C

Ewing

1 ZIP

A

Excelsior Springs

1 ZIP

C

Exeter

1 ZIP

A

Fair Grove

1 ZIP

C

Fair Play

1 ZIP

C

Fairfax

1 ZIP

A

Fairview

1 ZIP

F

Farber

1 ZIP

B

Farmington

1 ZIP

F

Farrar

1 ZIP

D

Fayette

1 ZIP

D

Fenton

1 ZIP

D

Festus

1 ZIP

F

Fillmore

1 ZIP

D

Fisk

1 ZIP

C

Flemington

1 ZIP

D

Fordland

1 ZIP

D

Forest City

1 ZIP

B

Foristell

1 ZIP

D

Forsyth

1 ZIP

D

Fort Leonard Wood

1 ZIP

C

Fortuna

1 ZIP

D

Frankford

1 ZIP

B

Franklin

1 ZIP

C

Fredericktown

1 ZIP

C

Freeburg

1 ZIP

F

Freeman

1 ZIP

B

Freistatt

1 ZIP

C

Fremont

1 ZIP

D

Frohna

1 ZIP

D

Fulton

1 ZIP

B

Gainesville

1 ZIP

C

Galena

1 ZIP

D

Gallatin

1 ZIP

C

Galt

1 ZIP

A

Garden City

1 ZIP

A

Gasconade

1 ZIP

C

Gentry

1 ZIP

F

Gerald

1 ZIP

C

Gideon

1 ZIP

C

Gilliam

1 ZIP

C

Gilman City

1 ZIP

C

Glasgow

1 ZIP

B

Glenwood

1 ZIP

C

Golden

1 ZIP

A

Golden City

1 ZIP

B

Goodman

1 ZIP

B

Gordonville

1 ZIP

C

Gower

1 ZIP

A

Graham

1 ZIP

C

Grain Valley

1 ZIP

A

Granby

1 ZIP

B

Grandin

1 ZIP

A

Grandview

1 ZIP

A

Grant City

1 ZIP

B

Gravois Mills

1 ZIP

A

Green Castle

1 ZIP

B

Green City

1 ZIP

C

Green Ridge

1 ZIP

B

Greenfield

1 ZIP

D

Greenville

1 ZIP

C

Greenwood

1 ZIP

A

Grovespring

1 ZIP

A

Hale

1 ZIP

A

Half Way

1 ZIP

C

Hallsville

1 ZIP

A

Halltown

1 ZIP

C

Hamilton

1 ZIP

C

Hannibal

1 ZIP

D

Hardin

1 ZIP

B

Harrisonville

1 ZIP

B

Hartville

1 ZIP

B

Hawk Point

1 ZIP

B

Hayti

1 ZIP

C

Henrietta

1 ZIP

C

Herculaneum

1 ZIP

A

Hermann

1 ZIP

C

Hermitage

1 ZIP

B

Higbee

1 ZIP

C

Higginsville

1 ZIP

C

High Hill

1 ZIP

A

High Ridge

1 ZIP

C

Highlandville

1 ZIP

B

Hillsboro

1 ZIP

B

Holcomb

1 ZIP

C

Holden

1 ZIP

B

Holland

1 ZIP

D

Holt

1 ZIP

B

Holts Summit

1 ZIP

C

Hopkins

1 ZIP

C

Hornersville

1 ZIP

F

House Springs

1 ZIP

C

Houston

1 ZIP

C

Houstonia

1 ZIP

A

Hughesville

1 ZIP

C

Humansville

1 ZIP

C

Hume

1 ZIP

D

Hunnewell

1 ZIP

C

Huntsville

1 ZIP

A

Hurley

1 ZIP

F

Iberia

1 ZIP

C

Imperial

1 ZIP

C

Ionia

1 ZIP

C

Irondale

1 ZIP

A

Ironton

1 ZIP

C

Jackson

1 ZIP

D

Jameson

1 ZIP

A

Jamesport

1 ZIP

C

Jamestown

1 ZIP

C

Jasper

1 ZIP

B

Jonesburg

1 ZIP

A

Kahoka

1 ZIP

A

Kearney

1 ZIP

A

Kennett

1 ZIP

D

Keytesville

1 ZIP

C

Kidder

1 ZIP

D

Kimberling City

1 ZIP

C

King City

1 ZIP

C

Kingdom City

1 ZIP

B

Kingston

1 ZIP

A

Kingsville

1 ZIP

B

Kirbyville

1 ZIP

C

Kirksville

1 ZIP

C

Kissee Mills

1 ZIP

D

Knob Noster

1 ZIP

B

Knox City

1 ZIP

B

Koshkonong

1 ZIP

C

La Belle

1 ZIP

B

La Grange

1 ZIP

C

La Monte

1 ZIP

B

La Plata

1 ZIP

A

Labadie

1 ZIP

D

Laclede

1 ZIP

B

Laddonia

1 ZIP

C

Lake Ozark

1 ZIP

C

Lamar

1 ZIP

D

Lampe

1 ZIP

F

Lanagan

1 ZIP

F

Lancaster

1 ZIP

A

Laquey

1 ZIP

B

Laredo

1 ZIP

B

Lathrop

1 ZIP

A

Laurie

1 ZIP

C

Lawson

1 ZIP

A

Leadwood

1 ZIP

F

Leasburg

1 ZIP

C

Lebanon

1 ZIP

B

Leeton

1 ZIP

B

Leopold

1 ZIP

A

Leslie

1 ZIP

D

Lesterville

1 ZIP

F

Levasy

1 ZIP

B

Lewistown

1 ZIP

A

Lexington

1 ZIP

D

Liberal

1 ZIP

A

Liberty

1 ZIP

C

Licking

1 ZIP

C

Lilbourn

1 ZIP

D

Lincoln

1 ZIP

C

Linn

1 ZIP

C

Linn Creek

1 ZIP

B

Linneus

1 ZIP

A

Lockwood

1 ZIP

A

Loose Creek

1 ZIP

C

Louisburg

1 ZIP

C

Louisiana

1 ZIP

F

Lowry City

1 ZIP

D

Macks Creek

1 ZIP

D

Macon

1 ZIP

C

Madison

1 ZIP

A

Maitland

1 ZIP

C

Malden

1 ZIP

C

Malta Bend

1 ZIP

C

Mansfield

1 ZIP

B

Marble Hill

1 ZIP

C

Marceline

1 ZIP

C

Marquand

1 ZIP

D

Marshall

1 ZIP

C

Marshfield

1 ZIP

C

Marston

1 ZIP

B

Marthasville

1 ZIP

B

Martinsburg

1 ZIP

C

Maryville

1 ZIP

C

Matthews

1 ZIP

B

Maysville

1 ZIP

F

Meadville

1 ZIP

B

Memphis

1 ZIP

C

Mendon

1 ZIP

B

Mercer

1 ZIP

C

Meta

1 ZIP

C

Mexico

1 ZIP

A

Miami

1 ZIP

C

Middletown

1 ZIP

F

Milan

1 ZIP

A

Mill Spring

1 ZIP

F

Miller

1 ZIP

B

Millersville

1 ZIP

C

Mindenmines

1 ZIP

B

Mineral Point

1 ZIP

F

Moberly

1 ZIP

C

Mokane

1 ZIP

D

Monett

1 ZIP

B

Monroe City

1 ZIP

D

Montgomery City

1 ZIP

B

Montrose

1 ZIP

C

Morehouse

1 ZIP

D

Morley

1 ZIP

C

Morrison

1 ZIP

D

Morrisville

1 ZIP

C

Moscow Mills

1 ZIP

B

Mound City

1 ZIP

A

Mount Vernon

1 ZIP

D

Mountain Grove

1 ZIP

D

Mountain View

1 ZIP

C

Myrtle

1 ZIP

C

Naylor

1 ZIP

C

Neelyville

1 ZIP

D

Nelson

1 ZIP

D

Neosho

1 ZIP

F

Nevada

1 ZIP

C

New Bloomfield

1 ZIP

B

New Florence

1 ZIP

C

New Franklin

1 ZIP

D

New Hampton

1 ZIP

B

New Haven

1 ZIP

B

New London

1 ZIP

A

New Madrid

1 ZIP

B

Newburg

1 ZIP

C

Newtown

1 ZIP

B

Niangua

1 ZIP

C

Nixa

1 ZIP

C

Norborne

1 ZIP

C

Norwood

1 ZIP

A

Novinger

1 ZIP

B

O Fallon

1 ZIP

C

Oak Grove

1 ZIP

B

Odessa

1 ZIP

B

Ofallon

1 ZIP

A

Olney

1 ZIP

C

Oran

1 ZIP

D

Oregon

1 ZIP

B

Oronogo

1 ZIP

A

Osage Beach

1 ZIP

B

Osborn

1 ZIP

B

Osceola

1 ZIP

B

Otterville

1 ZIP

F

Owensville

1 ZIP

C

Ozark

1 ZIP

D

Pacific

1 ZIP

C

Palmyra

1 ZIP

A

Paris

1 ZIP

A

Park Hills

1 ZIP

C

Parma

1 ZIP

D

Parnell

1 ZIP

C

Patterson

1 ZIP

A

Pattonsburg

1 ZIP

C

Peculiar

1 ZIP

A

Perry

1 ZIP

A

Perryville

1 ZIP

C

Pevely

1 ZIP

B

Philadelphia

1 ZIP

A

Piedmont

1 ZIP

C

Pierce City

1 ZIP

F

Pilot Grove

1 ZIP

B

Pilot Knob

1 ZIP

A

Pineville

1 ZIP

D

Pittsburg

1 ZIP

D

Platte City

1 ZIP

B

Plattsburg

1 ZIP

C

Pleasant Hill

1 ZIP

B

Pleasant Hope

1 ZIP

C

Point Lookout

1 ZIP

A

Polo

1 ZIP

A

Pomona

1 ZIP

C

Poplar Bluff

1 ZIP

C

Portage Des Sioux

1 ZIP

C

Portageville

1 ZIP

D

Potosi

1 ZIP

F

Powersite

1 ZIP

A

Prairie Home

1 ZIP

C

Preston

1 ZIP

F

Princeton

1 ZIP

A

Purdin

1 ZIP

A

Purdy

1 ZIP

C

Puxico

1 ZIP

B

Queen City

1 ZIP

A

Qulin

1 ZIP

C

Ravenwood

1 ZIP

C

Raymondville

1 ZIP

C

Raymore

1 ZIP

B

Reeds Spring

1 ZIP

D

Republic

1 ZIP

B

Rhineland

1 ZIP

D

Rich Hill

1 ZIP

C

Richland

1 ZIP

C

Richmond

1 ZIP

A

Ridgedale

1 ZIP

B

Ridgeway

1 ZIP

A

Risco

1 ZIP

D

Riverside

1 ZIP

A

Roach

1 ZIP

C

Robertsville

1 ZIP

D

Roby

1 ZIP

B

Rock Port

1 ZIP

A

Rockaway Beach

1 ZIP

D

Rockville

1 ZIP

C

Rocky Comfort

1 ZIP

A

Rogersville

1 ZIP

D

Rolla

1 ZIP

D

Rosebud

1 ZIP

A

Rosendale

1 ZIP

C

Russellville

1 ZIP

A

Saint Clair

1 ZIP

B

Saint Elizabeth

1 ZIP

C

Saint James

1 ZIP

D

Saint Joseph

1 ZIP

A

Saint Mary

1 ZIP

D

Saint Peters

1 ZIP

A

Saint Robert

1 ZIP

D

Saint Thomas

1 ZIP

C

Sainte Genevieve

1 ZIP

C

Salem

1 ZIP

B

Salisbury

1 ZIP

A

Sarcoxie

1 ZIP

C

Savannah

1 ZIP

B

Schell City

1 ZIP

C

Scott City

1 ZIP

B

Sedalia

1 ZIP

D

Sedgewickville

1 ZIP

A

Seligman

1 ZIP

B

Senath

1 ZIP

C

Seneca

1 ZIP

C

Seymour

1 ZIP

D

Shelbina

1 ZIP

A

Shelbyville

1 ZIP

A

Sheldon

1 ZIP

A

Shell Knob

1 ZIP

B

Sheridan

1 ZIP

D

Sibley

1 ZIP

A

Sikeston

1 ZIP

B

Silex

1 ZIP

F

Silva

1 ZIP

A

Skidmore

1 ZIP

B

Slater

1 ZIP

B

Smithville

1 ZIP

D

South West City

1 ZIP

F

Sparta

1 ZIP

C

Spickard

1 ZIP

D

Stanberry

1 ZIP

B

Stanton

1 ZIP

F

Stark City

1 ZIP

C

Steele

1 ZIP

D

Steelville

1 ZIP

B

Stella

1 ZIP

C

Stockton

1 ZIP

D

Stotts City

1 ZIP

D

Stoutland

1 ZIP

C

Stoutsville

1 ZIP

A

Stover

1 ZIP

D

Strafford

1 ZIP

C

Strasburg

1 ZIP

A

Sturgeon

1 ZIP

B

Sullivan

1 ZIP

D

Summersville

1 ZIP

C

Sunrise Beach

1 ZIP

B

Sweet Springs

1 ZIP

D

Syracuse

1 ZIP

D

Taneyville

1 ZIP

C

Tarkio

1 ZIP

C

Tecumseh

1 ZIP

F

Thayer

1 ZIP

B

Theodosia

1 ZIP

F

Tina

1 ZIP

A

Tipton

1 ZIP

C

Trenton

1 ZIP

C

Trimble

1 ZIP

A

Troy

1 ZIP

B

Turners

1 ZIP

B

Tuscumbia

1 ZIP

B

Union

1 ZIP

D

Union Star

1 ZIP

B

Unionville

1 ZIP

C

Urbana

1 ZIP

D

Urich

1 ZIP

C

Valles Mines

1 ZIP

D

Van Buren

1 ZIP

B

Vandalia

1 ZIP

D

Vanduser

1 ZIP

D

Verona

1 ZIP

F

Versailles

1 ZIP

D

Viburnum

1 ZIP

D

VIENNA

1 ZIP

B

Villa Ridge

1 ZIP

B

Walker

1 ZIP

D

Walnut Grove

1 ZIP

F

Walnut Shade

1 ZIP

D

Wappapello

1 ZIP

B

Wardell

1 ZIP

C

Warrensburg

1 ZIP

A

Warrenton

1 ZIP

B

Warsaw

1 ZIP

D

Washburn

1 ZIP

C

Washington

1 ZIP

C

Waverly

1 ZIP

D

Wayland

1 ZIP

B

Waynesville

1 ZIP

B

Weaubleau

1 ZIP

B

Webb City

1 ZIP

B

Wellington

1 ZIP

C

Wellsville

1 ZIP

F

Wentzville

1 ZIP

C

West Plains

1 ZIP

B

Westboro

1 ZIP

B

Weston

1 ZIP

B

Westphalia

1 ZIP

C

Wheatland

1 ZIP

C

Wheaton

1 ZIP

C

Wheeling

1 ZIP

B

Whiteman Air Force Base

1 ZIP

A

Whitewater

1 ZIP

B

Willard

1 ZIP

C

Williamstown

1 ZIP

A

Williamsville

1 ZIP

A

Willow Springs

1 ZIP

A

Windsor

1 ZIP

C

Winfield

1 ZIP

C

Winona

1 ZIP

B

Wooldridge

1 ZIP

B

Worth

1 ZIP

B

Wright City

1 ZIP

B

Wyaconda

1 ZIP

D

Wyatt

1 ZIP

B