Water quality in Maryland

530 cities on record · most contaminated: Baltimore.

Baltimore

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Frederick

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Rockville

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Stevensville

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Aberdeen Proving Ground

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Abingdon

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Accokeek

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Adamstown

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Adelphi

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Algonquin

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Allen

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Andrews AFB

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Annapolis Neck

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Antietam

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Aquasco

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Arbutus

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Arden on the Severn

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Arnold

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Ashton-Sandy Spring

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Aspen Hill

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Baden

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Bagtown

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Bakersville

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Ballenger Creek

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Baltimore Highlands

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Barrelville

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Bartonsville

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Beaver Creek

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Bel Air

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Bel Air North

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Bel Air South

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Beltsville

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Benedict

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Bensville

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Bethesda

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Bier

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Big Pool

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Big Spring

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Bishopville

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Bivalve

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Bloomington

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Bowleys Quarters

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Bowling Green

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Bowmans Addition

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Braddock Heights

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Brandywine

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Breathedsville

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Brock Hall

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Brooklyn Park

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Brookmont

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Broomes Island

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Brown Station

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Brownsville

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Bryans Road

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Bryantown

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Buckeystown

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Burnt Mills

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Burtonsville

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Butlertown

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Cabin John

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California

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Callaway

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Calvert Beach

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Calverton

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Camp Springs

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Cape St. Claire

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Carlos

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Carney

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Catonsville

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Cavetown

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Cearfoss

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Cedar Heights

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Cedarville

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Chance

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Charlotte Hall

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Charlton

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Chesapeake Landing

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Chesapeake Ranch Estates

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Chester

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Chevy Chase

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Chewsville

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Chillum

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Choptank

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Clarksburg

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Clarysville

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Clinton

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Cloverly

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Cobb Island

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Cockeysville

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Colesville

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Columbia

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Coral Hills

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Cordova

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Corriganville

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Crellin

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Cresaptown

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Crofton

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Croom

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Crownsville

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Crumpton

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Damascus

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Dames Quarter

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Danville

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Dargan

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Darlington

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Darnestown

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Dawson

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Deale

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Deal Island

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Derwood

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Detmold

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Downsville

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Drum Point

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Dundalk

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Dunkirk

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Eakles Mill

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East Riverdale

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Eckhart Mines

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Eden

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Edesville

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Edgemere

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Edgemont

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Edgewater

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Edgewood

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Eldersburg

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Elkridge

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Ellerslie

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Ellicott City

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Elliott

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Ernstville

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Essex

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Fairland

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Fairlee

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Fairmount

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Fairplay

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Fairview

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Fairwood

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Fallston

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Ferndale

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Finzel

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Fishing Creek

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Flintstone

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Flower Hill

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Forest Glen

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Forestville

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Fort Meade

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Fort Ritchie

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Fort Washington

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Fountainhead-Orchard Hills

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Four Corners

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Franklin

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Frenchtown-Rumbly

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Friendly

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Friendship

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Friendship Heights Village

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Fulton

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Galesville

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Gambrills

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Gapland

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Garretts Mill

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Garrison

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Georgetown

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Germantown

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Gilmore

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Girdletree

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Glassmanor

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Glen Burnie

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Glenmont

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Glenn Dale

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Golden Beach

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Gorman

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Graceham

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Grahamtown

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Grasonville

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Greensburg

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Green Valley

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Halfway

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Hampton

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Herald Harbor

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Highfield-Cascade

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Highland

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Hillandale

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Hillcrest Heights

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Honeygo

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Hughesville

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Huntingtown

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Hutton

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Ilchester

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Indian Springs

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Jarrettsville

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Jefferson

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Jennings

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Jessup

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Jesterville

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Joppatowne

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Jugtown

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Kemp Mill

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Kemps Mill

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Kennedyville

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Kent Narrows

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Kettering

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Kingstown

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Kingsville

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Klondike

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Konterra

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Lake Arbor

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Lake Shore

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Landover

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Langley Park

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Lanham

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Lansdowne

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Largo

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La Vale

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Layhill

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Leisure World

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Leitersburg

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Lewistown

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Lexington Park

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Libertytown

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Linganore

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Linthicum

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Lisbon

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Little Orleans

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Lochearn

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Long Beach

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Lusby

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Lutherville

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McCoole

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Madison

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Mapleville

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Marlboro Meadows

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Marlboro Village

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Marlow Heights

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Marlton

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Maryland City

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Maryland Park

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Maugansville

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Mayo

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Mays Chapel

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Mechanicsville

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Melwood

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Mercersville

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Middleburg

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Middle River

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Midlothian

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Milford Mill

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Mitchellville

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Monrovia

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Montgomery Village

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Moscow

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Mount Aetna

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Mount Briar

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Mount Lena

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Mount Savage

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Mount Vernon

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Nanticoke

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Nanticoke Acres

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National

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National Harbor

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Naval Academy

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Newark

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Nikep

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North Bethesda

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North Kensington

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North Laurel

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North Potomac

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Ocean

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Ocean Pines

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Odenton

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Oldtown

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Olney

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Overlea

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Owings

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Owings Mills

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Oxon Hill

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Paramount-Long Meadow

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Parkville

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Parole

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Parsonsburg

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Pasadena

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Pecktonville

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Peppermill Village

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Perry Hall

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Perryman

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Pikesville

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Pinesburg

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Piney Point

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Pleasant Grove

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Pleasant Hills

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Point of Rocks

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Pomfret

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Pondsville

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Potomac

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Potomac Heights

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Potomac Park

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Powellville

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Prince Frederick

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Pylesville

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Quantico

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Queen Anne

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Queensland

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Randallstown

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Rawlings

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Redland

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Reid

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Reisterstown

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Ringgold

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Riva

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Riverside

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Riviera Beach

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Robinwood

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Rock Point

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Rohrersville

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Romancoke

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Rosaryville

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Rosedale

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Rossville

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Sabillasville

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St. George Island

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St. James

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St. Leonard

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Sandy Hook

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San Mar

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Savage

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Scaggsville

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Seabrook

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Severn

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Severna Park

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Shady Side

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Shaft

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Silver Hill

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Silver Spring

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Smith Island

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Solomons

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South Kensington

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South Laurel

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Spencerville

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Springdale

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Spring Gap

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Spring Ridge

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Still Pond

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Stockton

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Suitland

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Summerfield

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Swanton

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Tall Timbers

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Taylors Island

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Temple Hills

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Ten Mile Creek

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Tilghman Island

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Tilghmanton

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Timonium

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Tolchester

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Towson

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Travilah

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Trego-Rohrersville Station

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Tyaskin

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Urbana

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Vale Summit

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Waldorf

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Walker Mill

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Waterview

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West Denton

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West Laurel

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West Ocean City

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Westphalia

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West Pocomoke

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Whaleyville

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Wheaton

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Whitehaven

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White Marsh

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White Oak

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Wildewood

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Williston

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Wilson-Conococheague

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Woodland

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Woodlawn

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Woodmore

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Worton

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Yarrowsburg

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Zihlman

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La Plata

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Aberdeen

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Accident

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Annapolis

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Barclay

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Barnesville

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Barton

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Berlin

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Berwyn Heights

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Betterton

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Bladensburg

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Boonsboro

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Bowie

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Brentwood

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Brookeville

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Brookview

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Brunswick

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Burkittsville

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Cambridge

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Capitol Heights

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Cecilton

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Centreville

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Charlestown

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Chesapeake Beach

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Chesapeake City

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Chestertown

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Cheverly

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Chevy Chase Section Five

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Chevy Chase Section Three

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Chevy Chase View

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Church Creek

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Church Hill

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Clear Spring

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College Park

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Colmar Manor

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Cottage City

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Crisfield

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Cumberland

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Deer Park

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Delmar

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Denton

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District Heights

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Eagle Harbor

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East New Market

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Easton

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Edmonston

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Eldorado

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Elkton

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Emmitsburg

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Fairmount Heights

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Federalsburg

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Forest Heights

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Friendsville

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Frostburg

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Fruitland

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Funkstown

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Gaithersburg

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Galena

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Galestown

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Garrett Park

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Glenarden

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Glen Echo

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Goldsboro

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Grantsville

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Greenbelt

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Greensboro

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Hagerstown

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Hampstead

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Hancock

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Havre de Grace

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Hebron

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Henderson

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Highland Beach

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Hillsboro

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Hurlock

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Hyattsville

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Indian Head

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Keedysville

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Kensington

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Kitzmiller

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Landover Hills

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Laurel

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Laytonsville

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Leonardtown

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Loch Lynn Heights

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Lonaconing

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Luke

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Manchester

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Mardela Springs

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Martin's Additions

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Marydel

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Middletown

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Midland

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Millington

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Morningside

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Mountain Lake Park

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Mount Airy

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Mount Rainier

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Myersville

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New Carrollton

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New Market

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New Windsor

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North Beach

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North Brentwood

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North Chevy Chase

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North East

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Oakland

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Oxford

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Perryville

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Pittsville

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Pocomoke City

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Poolesville

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Port Deposit

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Port Tobacco Village

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Preston

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Princess Anne

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Queenstown

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Ridgely

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Rising Sun

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Riverdale Park

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Rock Hall

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Rosemont

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St. Michaels

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Salisbury

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Seat Pleasant

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Secretary

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Sharpsburg

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Sharptown

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Smithsburg

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Snow Hill

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Somerset

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Sudlersville

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Sykesville

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Takoma Park

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Taneytown

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Templeville

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Thurmont

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Trappe

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Union Bridge

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University Park

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Upper Marlboro

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Vienna

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Walkersville

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Washington Grove

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Westernport

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Westminster

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Willards

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Williamsport

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Woodsboro

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