Official EPA SDWIS Statewide AnalysisState Water Quality & Testing Directory

Pennsylvania Drinking Water Quality & Testing Directory

Comprehensive EPA compliance records, water testing guidelines, and city rankings covering all 2,184 ZIP codes across Pennsylvania

Quick Summary: Is Tap Water Safe in Pennsylvania?

Drinking water in Pennsylvania receives an average composite safety score of 54.6/100 based on EPA Safe Drinking Water Act records. Approximately 4% of monitored ZIP codes earn an "A" grade. Water sources are 65.6% surface water and 34.400000000000006% groundwater, resulting in Moderately Soft to Moderate mineral hardness across the state.

Total ZIP Codes

2,184

Health Violations (5yr)

917

Statewide Avg Score

54.6/100

High Lead Risk Areas

77.2%

Overview: Drinking Water in Pennsylvania

Drinking water quality in Pennsylvania averages a composite safety score of 54.6/100 across its 2,184 monitored ZIP codes. Approximately 4% of ZIP codes in the state receive an "A" grade, while 4% receive an "F" grade. Environmental standards are enforced by Pennsylvania Department of Environmental Protection.

Surface Water

65.6%

of ZIP codes

Total Violations

12,763

5-year record

Grade A ZIPs

4% of state

Grade F ZIPs

4% of state

Water Quality Grade Distribution in Pennsylvania

How do Pennsylvania's 2,184 ZIP codes stack up by water quality grade?

80 ZIP codes4%

151 ZIP codes7%

667 ZIP codes31%

1,188 ZIP codes54%

98 ZIP codes4%

City A-Z Directory — Pennsylvania

Browse water quality reports for every town and city in Pennsylvania.

Baden Bainbridge Bairdford Bakerstown Bala Cynwyd Bally Bangor Barnesville Bart Barto Bartonsville Bath Bausman Beach Haven Beach Lake Beallsville Bear Creek Bear Lake Beaver Beaver Falls Beaver Meadows Beaver Springs Beaverdale Beavertown Beccaria Bechtelsville Bedford Bedminster Beech Creek Belle Vernon Bellefonte Belleville Bellwood Belsano Bendersville Benezett Bensalem Bentleyville Benton Berlin Bernville Berrysburg Berwick Berwyn Bessemer Bethel Bethel Park Bethlehem Beyer Big Cove Tannery Big Run Bigler Biglerville Birchrunville Bird In Hand Birdsboro Black Lick Blain Blairs Mills Blairsville Blakeslee Blanchard Blandburg Blandon Blooming Glen Bloomsburg Blossburg Blue Ball Blue Bell Blue Ridge Summit Boalsburg Bobtown Boiling Springs Bolivar Boswell Bovard Bowers Bowmanstown Bowmansville Boyers Boyertown Boynton Brackenridge Brackney Braddock Bradenville Bradford Bradfordwoods Branchdale Branchton Brandamore Brandy Camp Brave Breezewood Breinigsville Bridgeport Bridgeville Brier Hill Brisbin Bristol Broad Top Brockport Brockton Brockway Brodheadsville Brogue Brookhaven Brooklyn Brookville Broomall Brownfield Brownstown Brownsville Bruin Brush Valley Bryn Athyn Bryn Mawr Buck Hill Falls Buckingham Buena Vista Buffalo Mills Bulger Bunola Burgettstown Burlington Burnham Burnside Burnt Cabins Bushkill Butler Byrnedale

Cabot Cadogan Cairnbrook California Callensburg Callery Calumet Calvin Cambra Cambridge Springs Cammal Camp Hill Campbelltown Camptown Canadensis Canonsburg Canton Carbondale Cardale Carlisle Carlton Carmichaels Carnegie Carrolltown Carversville Cashtown Cassandra Cassville Castanea Catasauqua Catawissa Cecil Cedar Run Cedars Center Valley Centerport Centerville Central City Centre Hall Chadds Ford Chalfont Chalk Hill Chambersburg Chambersville Champion Chandlers Valley Charleroi Chatham Cheltenham Cherry Tree Cherryville Chest Springs Chester Chester Heights Chester Springs Chestnut Ridge Cheswick Cheyney Chicora Chinchilla Christiana Clairton Clarence Clarendon Claridge Clarington Clarion Clark Clarks Mills Clarks Summit Clarksburg Clarksville Claysburg Claysville Clearfield Clearville Clifford Clifton Heights Clinton Clintonville Clune Clymer Coal Center Coal Township Coaldale Coalport Coatesville Coburn Cochranton Cochranville Cocolamus Codorus Cogan Station Cokeburg Collegeville Colmar Columbia Columbia Cross Roads Columbus Colver Commodore Concord Concordville Conestoga Confluence Conneaut Lake Conneautville Connellsville Connoquenessing Conshohocken Conway Conyngham Cooksburg Coolspring Coopersburg Cooperstown Coplay Coral Coraopolis Cornwall Corry Corsica Coudersport Coulters Coupon Covington Cowansville Crabtree Craley Cranberry Cranberry Twp Cranesville Creamery Creekside Creighton Crescent Cresco Cresson Cressona Crosby Cross Fork Crown Croydon Crucible Crum Lynne Crystal Spring Cuddy Cumbola Curllsville Curryville Curtisville Curwensville Custer City Cyclone

Hadley Halifax Hallstead Hamburg Hamilton Hamlin Hannastown Hanover Harborcreek Harford Harleigh Harleysville Harmonsburg Harmony Harrisburg Harrison City Harrison Valley Harrisonville Harrisville Hartleton Hartstown Harveys Lake Harwick Hastings Hatboro Hatfield Haverford Havertown Hawk Run Hawley Hawthorn Hazel Hurst Hazleton Hegins Heilwood Hellertown Hendersonville Henryville Hereford Herman Herminie Hermitage Herndon Herrick Center Hershey Hesston Hibbs Hickory Hidden Valley Highspire Hiller Hilliards Hillsdale Hillsgrove Hillsville Hilltown Holbrook Holicong Hollidaysburg Hollsopple Holmes Holtwood Home Homer City Homestead Honesdale Honey Brook Honey Grove Hookstown Hooversville Hop Bottom Hopeland Hopewell Hopwood Horsham Hostetter Houston Houtzdale Howard Hughesville Hummels Wharf Hummelstown Hunker Hunlock Creek Huntingdon Huntingdon Valley Huntington Mills Hustontown Hutchinson Hyde Hyde Park Hydetown Hyndman

Ickesburg Idaville Imler Immaculata Imperial Indian Head Indiana Indianola Industry Ingomar Intercourse Irvine Irvona Irwin Isabella

La Belle La Jose La Plume Laceyville Lackawaxen Lafayette Hill Lahaska Lairdsville Lake Ariel Lake City Lake Como Lake Harmony Lake Lynn Lake Winola Lakeville Lakewood Lamar Lamartine Lampeter Lancaster Landenberg Landisburg Landisville Lanesboro Langeloth Langhorne Lansdale Lansdowne Lanse Lansford Laporte Larimer Latrobe Lattimer Mines Laughlintown Laurelton Laurys Station Lavelle Lawn Lawrence Lawrenceville Lawton Le Raysville Lebanon Leck Kill Leckrone Lecontes Mills Lederach Leechburg Leeper Leesport Leetsdale Lehigh Valley Lehighton Lehman Leisenring Lemasters Lemont Lemont Furnace Lemoyne Lenhartsville Lenni Lenoxville Leola Levittown Lewis Run Lewisberry Lewisburg Lewistown Lewisville Liberty Lickingville Ligonier Lilly Limekiln Limeport Limestone Lincoln University Linden Line Lexington Linesville Lionville Listie Lititz Little Meadows Littlestown Liverpool Llewellyn Lock Haven Locust Gap Locustdale Loganton Loganville Long Pond Lopez Loretto Lost Creek Lowber Loyalhanna Loysburg Loysville Lucernemines Lucinda Ludlow Lumberville Lurgan Luthersburg Luxor Luzerne Lykens Lyndell Lyndora Lyon Station

Mackeyville Macungie Madera Madison Madisonburg Mahaffey Mahanoy City Mahanoy Plane Mainesburg Mainland Malvern Mammoth Manchester Manheim Manns Choice Manor Manorville Mansfield Mapleton Depot Mar Lin Marble Marchand Marcus Hook Marianna Marienville Marietta Marion Marion Center Marion Heights Markleton Markleysburg Mars Marshalls Creek Marsteller Martin Martindale Martins Creek Martinsburg Mary D Marysville Masontown Matamoras Mather Mattawana Maxatawny Mayport Maytown Mc Alisterville Mc Clellandtown Mc Clure Mc Connellsburg Mc Connellstown Mc Donald Mc Elhattan Mc Ewensville Mc Grann Mc Intyre Mc Kean Mc Kees Rocks Mc Knightstown Mc Sherrystown Mc Veytown Mcadoo Mckeesport Meadow Lands Meadville Mechanicsburg Mechanicsville Media Mehoopany Melcroft Mendenhall Mentcle Mercer Mercersburg Merion Station Merrittstown Mertztown Meshoppen Mexico Meyersdale Middleburg Middlebury Center Middleport Middletown Midland Midway Mifflin Mifflinburg Mifflintown Mifflinville Milan Milanville Mildred Milesburg Milford Milford Square Mill Creek Mill Hall Mill Run Mill Village Millersburg Millerstown Millersville Millerton Millheim Millmont Millrift Mills Millsboro Millville Milnesville Milroy Milton Mineral Point Mineral Springs Minersville Mingoville Minisink Hills Modena Mohnton Mohrsville Monaca Monessen Monongahela Monroeton Monroeville Mont Alto Mont Clare Montandon Montgomery Montgomeryville Montoursville Montrose Moosic Morann Morgan Morgantown Morris Morris Run Morrisdale Morrisville Morton Moscow Moshannon Mount Aetna Mount Bethel Mount Braddock Mount Carmel Mount Gretna Mount Holly Springs Mount Jewett Mount Joy Mount Morris Mount Pleasant Mount Pleasant Mills Mount Pocono Mount Union Mount Wolf Mountain Top Mountainhome Mountville Muir Muncy Muncy Valley Munson Murrysville Muse Myerstown

Nanticoke Nanty Glo Narberth Narvon Natrona Heights Nazareth Needmore Neelyton Neffs Nelson Nemacolin Nescopeck Nesquehoning New Albany New Alexandria New Baltimore New Bedford New Berlin New Berlinville New Bethlehem New Bloomfield New Brighton New Buffalo New Castle New Columbia New Cumberland New Derry New Eagle New Enterprise New Florence New Freedom New Freeport New Galilee New Geneva New Germantown New Holland New Hope New Kensington New Kingstown New London New Milford New Millport New Oxford New Paris New Park New Philadelphia New Providence New Ringgold New Salem New Stanton New Tripoli New Wilmington Newburg Newell Newfoundland Newmanstown Newport Newry Newton Hamilton Newtown Newtown Square Newville Nicholson Nicktown Nineveh Normalville Norristown North Apollo North Bend North East North Springfield North Versailles North Wales North Washington Northampton Northern Cambria Northpoint Northumberland Norvelt Norwood Nottingham Noxen Nu Mine Numidia Nuremberg

Palm Palmerton Palmyra Paoli Paradise Parker Parker Ford Parkesburg Parkhill Parryville Patton Paupack Paxinos Paxtonville Peach Bottom Peach Glen Peckville Pen Argyl Penfield Penn Penn Run Penns Creek Penns Park Pennsburg Pennsylvania Furnace Penryn Pequea Perkasie Perkiomenville Perryopolis Petersburg Petrolia Philadelphia Philipsburg Phoenixville Picture Rocks Pillow Pine Forge Pine Grove Pine Grove Mills Pineville Pipersville Pitcairn Pitman Pittsburgh Pittsfield Pittston Plainfield Pleasant Hall Pleasant Mount Pleasant Unity Pleasantville Plumsteadville Plumville Plymouth Plymouth Meeting Pocono Lake Pocono Lake Preserve Pocono Manor Pocono Pines Pocono Summit Pocopson Point Marion Point Pleasant Polk Pomeroy Port Allegany Port Carbon Port Clinton Port Matilda Port Royal Port Trevorton Portage Porters Sideling Portersville Portland Pottersdale Potts Grove Pottstown Pottsville Poyntelle Presto Preston Park Pricedale Prompton Prospect Prospect Park Prosperity Pulaski Punxsutawney

Quakake Quakertown Quarryville Quecreek Queen Quentin Quincy

Sabinsville Sacramento Sadsburyville Saegertown Sagamore Saint Benedict Saint Boniface Saint Clair Saint Johns Saint Marys Saint Michael Saint Peters Saint Petersburg Saint Thomas Salford Salfordville Salina Salisbury Salix Saltillo Saltsburg Sandy Lake Sandy Ridge Sarver Sassamansville Saxonburg Saxton Saylorsburg Sayre Scenery Hill Schaefferstown Schellsburg Schenley Schnecksville Schuylkill Haven Schwenksville Sciota Scotland Scotrun Scottdale Scranton Seanor Selinsgrove Sellersville Seltzer Seminole Seneca Seven Valleys Seward Sewickley Shade Gap Shady Grove Shamokin Shamokin Dam Shanksville Sharon Sharon Hill Sharpsville Shartlesville Shavertown Shawanese Shawnee On Delaware Shawville Sheakleyville Sheffield Shelocta Shenandoah Sheppton Shermans Dale Shickshinny Shinglehouse Shippensburg Shippenville Shippingport Shirleysburg Shoemakersville Shohola Shrewsbury Shunk Sidman Sigel Silver Spring Silverdale Sinnamahoning Sipesville Six Mile Run Skippack Skytop Slate Run Slatedale Slatington Slickville Sligo Slippery Rock Slovan Smethport Smicksburg Smithfield Smithmill Smithton Smock Smokerun Smoketown Snow Shoe Snydersburg Snydertown Solebury Somerset Souderton South Canaan South Fork South Gibson South Heights South Montrose South Mountain South Park South Sterling Southampton Southeastern Southview Southwest Spangler Spartansburg Spinnerstown Spraggs Sprankle Mills Spring Church Spring City Spring Creek Spring Glen Spring Grove Spring House Spring Mills Spring Mount Spring Run Springboro Springdale Springfield Springs Springtown Springville Sproul Spruce Creek Stahlstown Star Junction Starford Starlight Starrucca State College State Line Sterling Stevens Stevensville Stewartstown Stillwater Stockdale Stockertown Stoneboro Stoystown Strabane Strasburg Strattanville Strausstown Strongstown Stroudsburg Stump Creek Sturgeon Sugar Grove Sugar Run Sugarloaf Summerdale Summerhill Summerville Summit Hill Summit Station Sumneytown Sunbury Suplee Susquehanna Sutersville Swarthmore Sweet Valley Swengel Swiftwater Sybertsville Sycamore Sykesville Sylvania

Uledi Ulster Ulysses Union City Union Dale Uniontown Unionville United Unityville University Park Upper Black Eddy Upper Darby Upperstrasburg Ursina Utica Uwchland

Valencia Valier Valley Forge Valley View Van Voorhis Vanderbilt Vandergrift Venango Venetia Venus Verona Vestaburg Vicksburg Villa Maria Villanova Vintondale Virginville Volant Vowinckel

Wagontown Wallaceton Wallingford Walnut Bottom Walnutport Walston Waltersburg Wampum Wapwallopen Warfordsburg Warminster Warren Warren Center Warrendale Warrington Warriors Mark Washington Washington Boro Washington Crossing Washingtonville Waterfall Waterford Waterville Watsontown Wattsburg Waverly Waymart Wayne Waynesboro Waynesburg Weatherly Webster Weedville Weikert Wellersburg Wells Tannery Wellsboro Wellsville Wendel Wernersville West Alexander West Chester West Decatur West Elizabeth West Finley West Grove West Hickory West Lebanon West Leisenring West Middlesex West Middletown West Mifflin West Milton West Newton West Pittsburg West Point West Salisbury West Springfield West Sunbury West Willow Westfield Westland Westmoreland City Weston Westover Westport Westtown Wexford Wheatland White White Deer White Haven White Mills Whitehall Whitney Wickhaven Wiconisco Widnoon Wilburton Wilcox Wildwood Wilkes Barre Williamsburg Williamsport Williamstown Willow Grove Willow Hill Willow Street Wilmerding Wilmore Winburne Wind Gap Wind Ridge Windber Windsor Winfield Witmer Womelsdorf Wood Woodbury Woodland Woodlyn Woodward Woolrich Worcester Worthington Worthville Woxall Wrightsville Wyalusing Wyano Wycombe Wyncote Wynnewood Wyoming Wysox

Yatesboro Yeagertown York York Haven York New Salem York Springs Youngstown Youngsville Youngwood Yukon

Zelienople Zieglerville Zion Grove Zionhill Zionsville Zullinger

🏆 Highest Rated ZIP Codes in Pennsylvania

⚠ Lowest Rated ZIP Codes in Pennsylvania

Common Drinking Water Contaminants in Pennsylvania

The following are common regulated contaminants found in Pennsylvania drinking water based on EPA violation records. Click any contaminant to learn about EPA safety limits and health effects.

Contaminant 0700Consumer Confidence Report RuleHaloacetic Acids (HAA5)Stage 1 DBP RuleTotal Trihalomethanes (TTHM)E. coliContaminant 0800Fecal Coliform

Source: EPA Safe Drinking Water Act Maximum Contaminant Level regulations. For the complete list of regulated contaminants and MCLs, see the Water Quality Safety Guide.

Frequently Asked Questions — Pennsylvania Drinking Water

Is tap water generally safe to drink in Pennsylvania?+

Yes, for the majority of residents, tap water in Pennsylvania is treated and regulated. However, compliance varies by city. State-wide, 80 ZIP codes receive an "A" grade, while 98 receive an "F". Search your specific ZIP code to see your local utility's record.

How do I test water quality or well water in Pennsylvania?+

Residents in Pennsylvania can test their tap or well water by contacting laboratories certified by Pennsylvania Department of Environmental Protection or ordering an EPA-standard laboratory water testing kit. Annual testing is recommended for private wells to test for bacteria, nitrates, and heavy metals.

What are the biggest water quality issues in Pennsylvania?+

The primary issues include managing 917 health-based violations state-wide and resolving infrastructure age. 77.2% of ZIP codes in the state have a high probability of lead exposure risk due to pre-1986 piping.

Who regulates and enforces drinking water standards in Pennsylvania?+

Drinking water in Pennsylvania is regulated by Pennsylvania Department of Environmental Protection under a primacy agreement with the U.S. EPA.

Where does Pennsylvania get its drinking water?+

Approximately 65.6% of monitored areas in Pennsylvania rely on surface water sources (lakes/rivers), while the rest use groundwater aquifers.

How do I find the official water quality report for my home in Pennsylvania?+

Search your ZIP code on our site to view data compiled from EPA records, or contact your local utility for their annual Consumer Confidence Report (CCR).

View All 2,184 ZIP Codes in Pennsylvania

Browse EPA water quality data for every monitored ZIP code. For faster results, use the search bar above.

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All 2,184 ZIP codes in Pennsylvania are actively monitored under the EPA Safe Drinking Water Act.

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