| Boro/City | County | River(s) |
| Applewold | Armstrong | Allegheny |
| Arnold City | Westmoreland | Allegheny |
| Aspinwall | Allegheny | Allegheny |
| Blawnox | Allegheny | Allegheny |
| Brackenridge | Allegheny | Allegheny |
| Cheswick | Allegheny | Allegheny |
| East Brady | Clarion | Allegheny |
| Emlenton | Venango | Allegheny |
| Ford City | Armstrong | Allegheny |
| Foxburg | Clarion | Allegheny |
| Franklin City | Venango | Allegheny |
| Freeport | Armstrong | Allegheny |
| Kittanning | Armstrong | Allegheny |
| Manorville | Armstrong | Allegheny |
| New Kensington City | Westmoreland | Allegheny |
| Oakmont | Allegheny | Allegheny |
| Oil City | Venango | Allegheny |
| Parker City | Armstrong | Allegheny |
| Port Allegany | McKean | Allegheny |
| Roulette Township | Potter | Allegheny |
| Sharpsburg | Allegheny | Allegheny |
| Springdale | Allegheny | Allegheny |
| Tarentum | Allegheny | Allegheny |
| Tidioute | Warren | Allegheny |
| Tionesta | Forest | Allegheny |
| Verona | Allegheny | Allegheny |
| Warren City | Warren | Allegheny |
| West Kittanning | Armstrong | Allegheny |
| Gilpin Township | Armstrong | Allegheny, Kiskiminetas |
| Pittsburgh City | Allegheny | Allegheny, Monongahela, Ohio |
| Beaver Falls City | Beaver | Beaver |
| Bridgewater | Beaver | Beaver |
| Eastvale | Beaver | Beaver |
| Fallston | Beaver | Beaver |
| New Brighton | Beaver | Beaver |
| Wampum | Lawrence | Beaver |
| Callensburg | Clarion | Clarion |
| Clarion | Clarion | Clarion |
| Johnsonburg | Elk | Clarion |
| Millstone Township | Elk | Clarion |
| Ridgway | Elk | Clarion |
| Lancaster City | Lancaster | Conestoga |
| Bristol | Bucks | Delaware |
| Chester City | Delaware | Delaware |
| Easton City | Northampton | Delaware |
| Eddystone | Delaware | Delaware |
| Lower Makefield Township | Bucks | Delaware |
| Marcus Hook | Delaware | Delaware |
| Morrisville | Bucks | Delaware |
| New Hope | Bucks | Delaware |
| Riegelsville | Bucks | Delaware |
| Trainer | Delaware | Delaware |
| Upper Makefield Township | Bucks | Delaware |
| Westfall Township | Pike | Delaware |
| Williams Township | Northampton | Delaware |
| Yardley | Bucks | Delaware |
| Philadelphia City | Philadelphia | Delaware, Schuylkill |
| Genesee Township | Potter | Genesee |
| Philipsburg | Centre | Hudson |
| Alexandria | Huntingdon | Juniata |
| Hollidaysburg | Blair | Juniata |
| Juniata Terrace | Mifflin | Juniata |
| Kistler | Mifflin | Juniata |
| Lewistown | Mifflin | Juniata |
| Mapleton | Huntingdon | Juniata |
| McVeytown | Mifflin | Juniata |
| Mifflin | Juniata | Juniata |
| Mifflintown | Juniata | Juniata |
| Mill Creek | Huntingdon | Juniata |
| Millerstown | Perry | Juniata |
| Mount Union | Huntingdon | Juniata |
| Newport | Perry | Juniata |
| Newton Hamilton | Mifflin | Juniata |
| Port Royal | Juniata | Juniata |
| Williamsburg | Blair | Juniata |
| Apollo | Armstrong | Kiskiminetas |
| Avonmore | Westmoreland | Kiskiminetas |
| Kiskiminetas Township | Armstrong | Kiskiminetas |
| Leechburg | Armstrong | Kiskiminetas |
| Vandergrift | Westmoreland | Kiskiminetas |
| Scranton City | Lackawanna | Lackawanna |
| Allentown City | Lehigh | Lehigh |
| Bowmanstown | Carbon | Lehigh |
| Catasauqua | Lehigh | Lehigh |
| Coplay | Lehigh | Lehigh |
| Fountain Hill | Lehigh | Lehigh |
| Freemansburg | Northampton | Lehigh |
| Jim Thorpe | Carbon | Lehigh |
| Lehighton | Carbon | Lehigh |
| North Catasauqua | Northampton | Lehigh |
| Northampton | Northampton | Lehigh |
| Palmerton | Carbon | Lehigh |
| Parryville | Carbon | Lehigh |
| Slatington | Lehigh | Lehigh |
| Walnutport | Northampton | Lehigh |
| Weissport | Carbon | Lehigh |
| White Haven | Luzerne | Lehigh |
| Johnstown City | Cambria | Little Conemaugh |
| Huntingdon | Huntingdon | Little Juniata |
| Tyrone | Blair | Little Juniata |
| Colerain Township | Lancaster | Miami |
| Allenport | Washington | Monongahela |
| Belle Vernon | Fayette | Monongahela |
| Braddock | Allegheny | Monongahela |
| Brownsville | Fayette | Monongahela |
| California | Washington | Monongahela |
| Charleroi | Washington | Monongahela |
| Clairton City | Allegheny | Monongahela |
| Donora | Washington | Monongahela |
| Duquesne City | Allegheny | Monongahela |
| East Bethlehem Township | Washington | Monongahela |
| Elizabeth | Allegheny | Monongahela |
| Fayette City | Fayette | Monongahela |
| Glassport | Allegheny | Monongahela |
| Greensboro | Greene | Monongahela |
| Homestead | Allegheny | Monongahela |
| Lincoln | Allegheny | Monongahela |
| Monessen City | Westmoreland | Monongahela |
| Monongahela City | Washington | Monongahela |
| New Eagle | Washington | Monongahela |
| Newell | Fayette | Monongahela |
| North Belle Vernon | Westmoreland | Monongahela |
| North Charleroi | Washington | Monongahela |
| Point Marion | Fayette | Monongahela |
| Rankin | Allegheny | Monongahela |
| Rices Landing | Greene | Monongahela |
| Roscoe | Washington | Monongahela |
| Stockdale | Washington | Monongahela |
| West Brownsville | Washington | Monongahela |
| West Elizabeth | Allegheny | Monongahela |
| West Homestead | Allegheny | Monongahela |
| Whitaker | Allegheny | Monongahela |
| McKeesport City | Allegheny | Monongahela, Youghiogheny |
| Alquippa City | Beaver | Ohio |
| Ambridge | Beaver | Ohio |
| Avalon | Allegheny | Ohio |
| Baden | Beaver | Ohio |
| Beaver | Beaver | Ohio |
| Bellevue | Allegheny | Ohio |
| Ben Avon | Allegheny | Ohio |
| Conway | Beaver | Ohio |
| Coraopolis | Allegheny | Ohio |
| East Rochester | Beaver | Ohio |
| Freedom | Beaver | Ohio |
| Georgetown | Beaver | Ohio |
| Glasgow | Beaver | Ohio |
| Industry | Beaver | Ohio |
| McKees Rocks | Allegheny | Ohio |
| Midland | Beaver | Ohio |
| Monaca | Beaver | Ohio |
| Rochester | Beaver | Ohio |
| Sewickley | Allegheny | Ohio |
| Shippingport | Beaver | Ohio |
| Stowe Township | Allegheny | Ohio |
| Red Hill | Montgomery | Red |
| Auburn | Schuylkill | Schuylkill |
| Bridgeport | Montgomery | Schuylkill |
| Conshohocken | Montgomery | Schuylkill |
| Hamburg | Berks | Schuylkill |
| Norristown | Montgomery | Schuylkill |
| Palo Alto | Schuylkill | Schuylkill |
| Port Carbon | Schuylkill | Schuylkill |
| Pottstown | Montgomery | Schuylkill |
| Pottsville City | Schuylkill | Schuylkill |
| Reading City | Berks | Schuylkill |
| Royersford | Montgomery | Schuylkill |
| Shoemakersville | Berks | Schuylkill |
| West Conshohocken | Montgomery | Schuylkill |
| Jamestown | Mercer | Shenango |
| Sharpsville | Mercer | Shenango |
| West Middlesex | Mercer | Shenango |
| New Castle City | Lawrence | Shenango, Mahoning |
| Athens | Bradford | Susquehanna |
| Berwick | Columbia | Susquehanna |
| Bloomsburg Town | Columbia | Susquehanna |
| Catawissa | Columbia | Susquehanna |
| Clearfield | Clearfield | Susquehanna |
| Columbia | Lancaster | Susquehanna |
| Danville | Montour | Susquehanna |
| Dauphin | Dauphin | Susquehanna |
| Duboistown | Lycoming | Susquehanna |
| Duncannon | Perry | Susquehanna |
| East Prospect | York | Susquehanna |
| Edwardsville | Luzerne | Susquehanna |
| Forty Fort | Luzerne | Susquehanna |
| Goldsboro | York | Susquehanna |
| Halifax | Dauphin | Susquehanna |
| Harrisburg City | Dauphin | Susquehanna |
| Herndon | Northumberland | Susquehanna |
| Hughestown | Luzerne | Susquehanna |
| Jersey Shore | Lycoming | Susquehanna |
| Kingston | Luzerne | Susquehanna |
| Laceyville | Wyoming | Susquehanna |
| Lemoyne | Cumberland | Susquehanna |
| Lewisburg | Union | Susquehanna |
| Liverpool | Perry | Susquehanna |
| Lock Haven City | Clinton | Susquehanna |
| Marietta | Lancaster | Susquehanna |
| Marysville | Perry | Susquehanna |
| Meshoppen | Wyoming | Susquehanna |
| Middletown | Dauphin | Susquehanna |
| Millersburg | Dauphin | Susquehanna |
| Milton | Northumberland | Susquehanna |
| Montgomery | Lycoming | Susquehanna |
| Muncy | Lycoming | Susquehanna |
| Nanticoke City | Luzerne | Susquehanna |
| Nescopeck | Luzerne | Susquehanna |
| New Buffalo | Perry | Susquehanna |
| New Cumberland | Cumberland | Susquehanna |
| Northumberland | Northumberland | Susquehanna |
| Oakland | Susquehanna | Susquehanna |
| Pittston City | Luzerne | Susquehanna |
| Plymouth | Luzerne | Susquehanna |
| Renovo | Clinton | Susquehanna |
| Riverside | Northumberland | Susquehanna |
| Royalton | Dauphin | Susquehanna |
| Sayre | Bradford | Susquehanna |
| Selinsgrove | Snyder | Susquehanna |
| Shamokin Dam | Snyder | Susquehanna |
| Shickshinny | Luzerne | Susquehanna |
| South Williamsport | Lycoming | Susquehanna |
| Sunbury City | Northumberland | Susquehanna |
| Susquehanna Depot | Susquehanna | Susquehanna |
| Towanda | Bradford | Susquehanna |
| Tunkhannock Township | Monroe | Susquehanna |
| Watsontown | Northumberland | Susquehanna |
| West Pittston | Luzerne | Susquehanna |
| Wilkes-Barre City | Luzerne | Susquehanna |
| Williamsport City | Lycoming | Susquehanna |
| Wormleysburg | Cumberland | Susquehanna |
| Wyalusing | Bradford | Susquehanna |
| Wyoming | Luzerne | Susquehanna |
| York Haven | York | Susquehanna |
| Mansfield | Tioga | Tioga |
| Confluence | Somerset | Youghiogheny |
| Connellsville City | Fayette | Youghiogheny |
| Dawson | Fayette | Youghiogheny |
| Liberty | Allegheny | Youghiogheny |
| Port Vue | Allegheny | Youghiogheny |
| South Connellsville | Fayette | Youghiogheny |
| Sutersville | Westmoreland | Youghiogheny |
| Versailles | Allegheny | Youghiogheny |
| West Newton | Westmoreland | Youghiogheny |