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PA tap water quality, city by city
776 cities and towns in PA are served by an active community water system in the EPA's records. Each page below translates that system's EPA-reported history into plain English.
According to EPA SDWIS data, retrieved June 2026.
- Aaronsburg
- Adamstown
- Adamsville
- Addison
- Adrian
- Akron
- Albion
- Alburtis
- Alexandria
- Aliquippa
- Allensville
- Allentown
- Allison Park
- Altoona
- Alum Bank
- Ambler
- Ambridge
- Annville
- Arendtsville
- Arnot
- Ashfield
- Ashland
- Aspers
- Atglen
- Athens
- Auburn
- Austin
- Avondale
- Baden
- Bainbridge
- Bally
- Bangor
- Barto
- Bath
- Beach Lake
- Beaver
- Beaver Falls
- Beaver Meadows
- Beaver Springs
- Beavertown
- Bechtelsville
- Bedford
- Beech Creek
- Belle Vernon
- Bellefonte
- Bellwood
- Bendersville
- Bentleyville
- Benton
- Berlin
- Bernville
- Berwick
- Berwyn
- Bessemer
- Bethany
- Bethel Park
- Bethlehem
- Biglerville
- Birdsboro
- Blain
- Blairsville
- Blakely
- Blakeslee
- Blandon
- Bloomsburg
- Blossburg
- Blue Ridge Summit
- Boiling Springs
- Boswell
- Bowmanstown
- Bowmansville
- Boyers
- Boyertown
- Brackenridge
- Braddock
- Bradford
- Broad Top
- Brockway
- Brodheadsville
- Brogue
- Brookville
- Brownstown
- Bryn Mawr
- Buck Hill Falls
- Buckingham
- Burnside
- Bushkill
- Butler
- Cabot
- Cairnbrook
- Cambridge Springs
- Camp Hill
- Canton
- Carlisle
- Carrolltown
- Cashtown
- Catasauqua
- Catawissa
- Center Valley
- Central City
- Centre Hall
- Chadds Ford
- Chambersburg
- Champion
- Charleroi
- Chester
- Cheswick
- Chicora
- Christiana
- Clarks Summit
- Claysburg
- Clearfield
- Clifford Twp
- Clinton
- Clintonville
- Clymer
- Coatesville
- Coburn
- Cochranton
- Cochranville
- Collegeville
- Columbia
- Colver
- Commodore
- Confluence
- Conneaut Lake
- Conneautville
- Connellsville
- Conway
- Conyngham
- Coopersburg
- Coraopolis
- Corry
- Coudersport
- Cranberry Twp
- Cranesville
- Creighton
- Cresco
- Cresson
- Curryville
- Curwensville
- Cyclone
- Dallas
- Dallastown
- Dalmatia
- Dalton
- Danville
- Darlington
- Davidsville
- Dayton
- Defiance
- Delaware Water Gap
- Delta
- Denver
- Derry
- Dilliner
- Dillsburg
- Dingmans Ferry
- Distant
- Douglassville
- Dover
- Downingtown
- Doylestown
- Dresher
- Driftwood
- Drums
- Dry Run
- Dublin
- Dubois
- Dudley
- Dunbar
- Duncannon
- Duncansville
- Duquesne
- Dushore
- Dysart
- East Bangor
- East Berlin
- East Brady
- East Earl
- East Freedom
- East Greenville
- East Norriton
- East Petersburg
- East Stroudsburg
- Easton
- Ebensburg
- Edinboro
- Effort
- Elderton
- Eldred
- Elizabethtown
- Elizabethville
- Elkland
- Ellsworth
- Elmhurst Township
- Elmora
- Elverson
- Emmaus
- Emporium
- Ephrata
- Erie
- Etters
- Evans City
- Everett
- Exton
- Factoryville
- Fairchance
- Fairfield
- Fairless Hills
- Fairview
- Falls
- Falls Creek
- Fannettsburg
- Farmington
- Fayetteville
- Ferndale
- Fishertown
- Fleetwood
- Fleming
- Flinton
- Fombell
- Ford City
- Forksville
- Fort Washington
- Foxburg
- Franklin
- Franklintown
- Frederick
- Fredericksburg
- Fredericktown
- Fredonia
- Freeburg
- Freeland
- Freeport
- Frenchville
- Friedens
- Friendsville
- Gaines
- Galeton
- Gallitzin
- Gap
- Garrett
- Genesee
- Gettysburg
- Gibsonia
- Gifford
- Gilbertsville
- Gillett
- Girard
- Glasgow
- Glen Campbell
- Glen Mills
- Glen Rock
- Glenmoore
- Gouldsboro
- Grampian
- Gratz
- Gray
- Greeley
- Green Castle
- Green Lane
- Greencastle
- Greenfield Township
- Greensburg
- Greentown
- Greenville
- Grove City
- Guys Mills
- Halifax
- Hamburg
- Hamlin
- Hanover
- Harford
- Harmonsburg
- Harmony
- Harrisburg
- Harrison Valley
- Harrisville
- Harwick
- Hastings
- Hatfield
- Havertown
- Hawley
- Hawthorn
- Hazel Hurst
- Hazle Township
- Hazleton
- Hellertown
- Henryville
- Herndon
- Hershey
- Hidden Valley
- Hillsdale
- Hollidaysburg
- Holtwood
- Homer City
- Honesdale
- Honey Brook
- Hooversville
- Horsham
- Houtzdale
- Howard
- Hughesville
- Hulmeville
- Hummelstown
- Huntingdon
- Hyndman
- Indian Head
- Indiana
- Industry
- Intercourse
- Irvona
- James City
- James Creek
- Jamestown
- Jamison
- Jefferson
- Jenkintown
- Jennerstown
- Jersey Shore
- Jim Thorpe
- Johnsonburg
- Johnstown
- Julian
- Karthaus
- Kelton
- Kennerdell
- Kennett Square
- Kersey
- Kimberton
- King Of Prussia
- Kirkwood
- Kittanning
- Knox
- Knox Dale
- Knoxville
- Kreamer
- Kunkletown
- Kutztown
- Laceyville
- Lahaska
- Lake Ariel
- Lake City
- Lake Harmony
- Lakeville
- Lancaster
- Landisburg
- Landisville
- Lansdale
- Lansford
- Laporte
- Latrobe
- Laughlintown
- Lawrenceville
- Lebanon
- Leechburg
- Leesport
- Leetsdale
- Lehighton
- Lemoyne
- Lenhartsville
- Leola
- Leraysville
- Levittown
- Lewis Run
- Lewisberry
- Ligonier
- Lilly
- Lima
- Limeport
- Linden
- Linesville
- Lititz
- Littlestown
- Liverpool
- Lock Haven
- Loganton
- Lopez
- Lords Valley
- Loretto
- Loysburg
- Loysville
- Lucinda
- Ludlow
- Luthersburg
- Lykens
- Lyon Station
- Macungie
- Madisonburg
- Mahanoy City
- Malvern
- Manchester
- Manheim
- Mansfield
- Mapleton Depot
- Marianna
- Markleysburg
- Mars
- Marsteller
- Martins Creek
- Martinsburg
- Mary D
- Masontown
- Matamoras
- Mc Alisterville
- Mc Connellsburg
- Mc Connellstown
- Mc Veytown
- Mcadoo
- Mcclure
- Mcmurray
- Mcmurry
- Mcveytown
- Meadville
- Mechanicsburg
- Mehoopany
- Mercer
- Mercersburg
- Meshoppen
- Mexico
- Meyersdale
- Middleburg
- Middletown
- Midland
- Mifflin
- Mifflinburg
- Mifflintown
- Milesburg
- Milford
- Mill Creek
- Mill Hall
- Millersburg
- Millerstown
- Millersville
- Millheim
- Millmont
- Millville
- Milroy
- Milton
- Mineral Point
- Minersville
- Mingoville
- Mohnton
- Monaca
- Monroe Twp
- Monroeville
- Mont Alto
- Montandon
- Montgomery
- Montoursville
- Montrose
- Moon Township
- Morgantown
- Morgontown
- Morris Run
- Morrisdale
- Morrisville
- Moscow
- Mount Gretna
- Mount Holly Springs
- Mount Jewett
- Mount Joy
- Mount Morris
- Mount Pocono
- Mount Union
- Mountain Top
- Mt Holly Springs
- Mt Pleasant Mills
- Muncy
- Myerstown
- Nanty Glo
- Narvon
- Natrona Heights
- Needmore
- Neelyton
- Nelson
- Nesquehoning
- New Albany
- New Berlin
- New Bethlehem
- New Bloomfield
- New Castle
- New Columbia
- New Cumberland
- New Enterprise
- New Freedom
- New Holland
- New Hope
- New Kensington
- New London
- New Milford
- New Oxford
- New Philadelphia
- New Ringgold
- New Tripoli
- New Wilmington
- Newell
- Newfoundland
- Newmanstown
- Newport
- Newton Hamilton
- Newtown
- Newville
- Nicholson
- Nicktown
- Norristown
- North East
- North Huntingdon
- North Wales
- North Warren
- Northampton
- Northern Cambria
- Nottingham
- Numine
- Oakdale
- Oakmont
- Oil City
- Oley
- Olyphant
- Orangeville
- Orbisonia
- Orefield
- Orviston
- Orwigsburg
- Osceola
- Osterburg
- Oxford
- Palmerton
- Palmyra
- Paradise
- Parker
- Parkesburg
- Patton
- Peach Bottom
- Penfield
- Penns Creek
- Pennsylvania Furnace
- Pequea
- Perkasie
- Petersburg
- Petrolia
- Pheonixville
- Philadelphia
- Philipsburg
- Phoenixville
- Pillow
- Pine Grove
- Pipersville
- Pittsburgh
- Pleasantville
- Plymouth
- Pocono Manor
- Point Marion
- Point Pleasant
- Polk
- Port Allegany
- Port Clinton
- Port Matilda
- Port Royal
- Portage
- Portersville
- Portland
- Pottstown
- Pottsville
- Prospect
- Pt Pleasant
- Quakertown
- Quarryville
- Quentin
- Ralston
- Ransom Twp
- Reading
- Rebersburg
- Red Hill
- Red Lion
- Rehrersburg
- Reinholds
- Renovo
- Rew
- Reynoldsville
- Richboro
- Richfield
- Richland
- Richlandtown
- Ridgway
- Riegelsville
- Rimersburg
- Ringtown
- Rixford
- Roaring Branch
- Roaring Brook Twp
- Roaring Spring
- Rochester
- Rockton
- Rockwood
- Rome
- Ronks
- Roulette
- Rouseville
- Royalton
- Royersford
- Rural Valley
- Russell
- Saegertown
- Saint Marys
- Salisbury
- Saltillo
- Sandy Lake
- Sarver
- Saxonburg
- Saxton
- Saylorsburg
- Sayre
- Schaefferstown
- Schuylkill Haven
- Schwenksville
- Scotrun
- Scranton
- Selinsgrove
- Sellersville
- Seneca
- Seven Fields
- Sewickley
- Shamokin
- Shamokin Dam
- Sharon
- Sharpsville
- Shavertown
- Sheffield
- Shelocta
- Shermans Dale
- Shinglehouse
- Shippensburg
- Shippingport
- Shirleysburg
- Shoemakersville
- Shohola
- Shrewsbury
- Sidman
- Sigel
- Silver Spring
- Sinking Spring
- Sipesville
- Six Mile Run
- Skytop
- Slatington
- Slippery Rock
- Smethport
- Snow Shoe
- Somerset
- South Heights
- South Mountain
- South Williamsport
- Southampton
- Spinnerstown
- Spring City
- Spring Creek
- Spring Grove
- Spring Mills
- Springboro
- Springdale
- Springfield
- Springtown
- Sproul
- St Petersburg
- St Thomas
- State College
- Stevens
- Stewartstown
- Stoneboro
- Stoystown
- Strasburg
- Stroudsburg
- Stump Creek
- Summerhill
- Summerville
- Summit Hill
- Sunbury
- Susquehanna
- Sykesville
- Tafton
- Tamaqua
- Tannersville
- Tarentum
- Telford
- Templeton
- Thompsontown
- Three Springs
- Tidioute
- Tioga
- Tionesta
- Titusville
- Tobyhanna
- Topton
- Torrance
- Toughkenamon
- Towanda
- Tower City
- Transfer
- Trappe
- Tremont
- Trout Run
- Troxelville
- Troy
- Trumbauersville
- Tunkhannock
- Twin Rocks
- Tyrone
- Ulster
- Ulysses
- Union City
- Union Dale
- Uniontown
- Unionville
- University Park
- Valencia
- Valley View
- Vandergrift
- Vanport
- Volant
- Walnutport
- Wampum
- Warminster
- Warren
- Warrington
- Warriors Mark
- Waterford
- Waterville
- Wattsburg
- Wawa
- Waymart
- Waynesboro
- Weatherly
- Weedville
- Wells Tannery
- Wellsboro
- Wernersville
- West Alexander
- West Chester
- West Grove
- West Middlesex
- West Reading
- West Springfield
- West Sunbury
- Westfield
- Westover
- White Haven
- Whitehall
- Whitehaven
- Wilcox
- Wilkes Barre
- Wilkinsburg
- Williamsburg
- Williamsport
- Williamstown
- Willow Street
- Windber
- Windsor
- Womelsdorf
- Wood
- Woodbury
- Woodward
- Worthington
- Wrightsville
- Wyalusing
- Wyomissing
- Yardley
- York
- York Haven
- York Springs
- Youngstown
- Youngsville
- Youngwood
- Zelienople
- Zieglerville