Municipal Separate Storm Sewer Systems (Ms4s) Within Urbanized Areas In Pennsylvania,

COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATERSHED MANAGEMENT

Municipal Separate Storm Sewer Systems (MS4s) within Urbanized Areas in Pennsylvania, Grouped by Region

Southeast Region: Bucks, Chester, Delaware, Montgomery, and Philadelphia Counties

County Name Municipality Name Urbanized Area Name Bucks Bensalem Twp. Philadelphia Bucks Bristol Boro Philadelphia Bucks Bristol Twp. Philadelphia Bucks Buckingham Twp. Philadelphia Bucks Bucks County Philadelphia AND Trenton Bucks Chalfont Boro Philadelphia Bucks Doylestown Boro Philadelphia Bucks Doylestown Twp. Philadelphia Bucks East Rockhill Twp. Philadelphia Bucks Falls Twp. Philadelphia Bucks Falls Twp. Philadelphia AND Trenton Bucks Hilltown Twp. Philadelphia Bucks Hulmeville Boro Philadelphia Bucks Ivyland Boro Philadelphia Bucks Langhorne Boro Philadelphia Bucks Langhorne Manor Boro Philadelphia Bucks Lower Makefield Twp. Philadelphia AND Trenton Bucks Lower Southampton Twp. Philadelphia Bucks Middletown Twp. Philadelphia Bucks Milford Twp. Allentown/Bethlehem Bucks Morrisville Boro Philadelphia AND Trenton Bucks New Britain Boro Philadelphia Bucks New Britain Twp. Philadelphia Bucks Newtown Boro Philadelphia Bucks Newtown Twp. Philadelphia Bucks Northampton Twp. Philadelphia Bucks Penndel Boro Philadelphia Bucks Perkasie Boro Philadelphia Bucks Plumstead Twp. Philadelphia Bucks Quakertown Boro Allentown/Bethlehem Bucks Richland Twp. Allentown/Bethlehem Bucks Sellersville Boro Philadelphia Bucks Silverdale Boro Philadelphia Bucks Solebury Twp. Philadelphia

12/13/2017 Page 1 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATERSHED MANAGEMENT

County Name Municipality Name Urbanized Area Name Bucks Springfield Twp. Allentown/Bethlehem Bucks Trumbauersville Boro Allentown/Bethlehem Bucks Tullytown Boro Philadelphia Bucks Upper Makefield Twp. Philadelphia AND Trenton Bucks Upper Southampton Twp. Philadelphia Bucks Warminster Twp. Philadelphia Bucks Warrington Twp. Philadelphia Bucks Warwick Twp. Philadelphia Bucks West Rockhill Twp. Philadelphia Bucks Wrightstown Twp. Philadelphia Bucks Yardley Boro Philadelphia Bucks Yardley Boro Philadelphia AND Trenton Chester Avondale Boro Philadelphia Chester Birmingham Twp. Philadelphia Chester Caln Twp. Philadelphia Chester Charlestown Twp. Philadelphia Chester Chester County Philadelphia AND Pottstown AND Wilmington Chester Coatesville City Philadelphia Chester Downingtown Boro Philadelphia Chester East Bradford Twp. Philadelphia Chester East Brandywine Twp. Philadelphia Chester East Caln Twp. Philadelphia Chester East Coventry Twp. Philadelphia AND Pottstown Chester East Fallowfield Twp. Philadelphia Chester East Goshen Twp. Philadelphia Chester East Marlborough Twp. Philadelphia Chester East Pikeland Twp. Philadelphia Chester East Vincent Twp. Philadelphia Chester East Whiteland Twp. Philadelphia Chester Easttown Twp. Philadelphia Chester Franklin Twp. Philadelphia Chester Honeybrook Twp. Philadelphia Chester Kennett Square Boro Philadelphia Chester Kennett Twp. Philadelphia Chester London Britain Twp. Philadelphia AND Wilmington Chester London Grove Twp. Philadelphia Chester Malvern Boro Philadelphia Chester Modena Boro Philadelphia Chester New Garden Twp. Philadelphia AND Wilmington Chester New London Twp. Philadelphia 12/13/2017 Page 2 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATERSHED MANAGEMENT

County Name Municipality Name Urbanized Area Name Chester Newlin Twp. Philadelphia Chester North Coventry Twp. Pottstown Chester Parkesburg Boro Philadelphia Chester Penn Twp. Philadelphia Chester Pennsbury Twp. Philadelphia Chester Phoenixville Boro Philadelphia Chester Pocopson Twp. Philadelphia Chester Sadsbury Twp. Philadelphia Chester Schuylkill Twp. Philadelphia Chester South Coatesville Boro Philadelphia Chester South Coventry Twp. Pottstown Chester Spring City Boro Philadelphia Chester Thornbury Twp. Philadelphia Chester Tredyffrin Twp. Philadelphia Chester Upper Oxford Twp. Philadelphia Chester Upper Uwchlan Twp. Philadelphia Chester Uwchlan Twp. Philadelphia Chester Valley Twp. Philadelphia Chester Wallace Twp. Philadelphia Chester West Bradford Twp. Philadelphia Chester West Brandywine Twp. Philadelphia Chester West Caln Twp. Philadelphia Chester West Chester Boro Philadelphia Chester West Goshen Twp. Philadelphia Chester West Grove Boro Philadelphia Chester West Pikeland Twp. Philadelphia Chester West Sadsbury Twp. Philadelphia Chester West Vincent Twp. Philadelphia Chester West Whiteland Twp. Philadelphia Chester Westtown Twp. Philadelphia Chester Willistown Twp. Philadelphia Delaware Aldan Boro Philadelphia Delaware Aston Twp. Philadelphia Delaware Bethel Twp. Philadelphia AND Wilmington Delaware Brookhaven Boro Philadelphia Delaware Chadds Ford Twp. Philadelphia Delaware Chester City Philadelphia Delaware Chester Heights Boro Philadelphia Delaware Chester Twp. Philadelphia Delaware Clifton Heights Boro Philadelphia Delaware Collingdale Boro Philadelphia 12/13/2017 Page 3 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATERSHED MANAGEMENT

County Name Municipality Name Urbanized Area Name Delaware Colwyn Boro Philadelphia Delaware Concord Twp. Philadelphia AND Wilmington Delaware Darby Boro Philadelphia Delaware Darby Twp. Philadelphia Delaware Delaware County Philadelphia AND Wilmington Delaware East Lansdowne Boro Philadelphia Delaware Eddystone Boro Philadelphia Delaware Edgmont Twp. Philadelphia Delaware Folcroft Boro Philadelphia Delaware Glenolden Boro Philadelphia Delaware Haverford Twp. Philadelphia Delaware Lansdowne Boro Philadelphia Delaware Lower Chichester Twp. Philadelphia Delaware Marcus Hook Boro Philadelphia Delaware Marple Twp. Philadelphia Delaware Media Boro Philadelphia Delaware Middletown Twp. Philadelphia Delaware Millbourne Boro Philadelphia Delaware Morton Boro Philadelphia Delaware Nether Providence Twp. Philadelphia Delaware Newtown Twp. Philadelphia Delaware Norwood Boro Philadelphia Delaware Parkside Boro Philadelphia Delaware Prospect Park Boro Philadelphia Delaware Radnor Twp. Philadelphia Delaware Ridley Park Boro Philadelphia Delaware Ridley Twp. Philadelphia Delaware Rose Valley Boro Philadelphia Delaware Rutledge Boro Philadelphia Delaware Sharon Hill Boro Philadelphia Delaware Springfield Twp. Philadelphia Delaware Swarthmore Boro Philadelphia Delaware Thornbury Twp. Philadelphia Delaware Tinicum Twp. Philadelphia Delaware Trainer Boro Philadelphia Delaware Upland Boro Philadelphia Delaware Upper Chichester Twp. Philadelphia Delaware Upper Darby Twp. Philadelphia Delaware Upper Providence Twp. Philadelphia Delaware Yeadon Boro Philadelphia Montgomery Abington Twp. Philadelphia 12/13/2017 Page 4 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATERSHED MANAGEMENT

County Name Municipality Name Urbanized Area Name Montgomery Ambler Boro Philadelphia Montgomery Bridgeport Boro Philadelphia Montgomery Bryn Athyn Boro Philadelphia Montgomery Cheltenham Twp. Philadelphia Montgomery Collegeville Boro Philadelphia Montgomery Conshohocken Boro Philadelphia Montgomery Douglass Twp. Pottstown Montgomery East Greenville Boro Philadelphia Montgomery East Norriton Twp. Philadelphia Montgomery Franconia Twp. Philadelphia Montgomery Green Lane Boro Philadelphia Montgomery Hatboro Boro Philadelphia Montgomery Hatfield Boro Philadelphia Montgomery Hatfield Twp. Philadelphia Montgomery Horsham Twp. Philadelphia Montgomery Jenkintown Boro Philadelphia Montgomery Lansdale Boro Philadelphia Montgomery Limerick Twp. Philadelphia Montgomery Lower Frederick Twp. Philadelphia Montgomery Lower Gwynedd Twp. Philadelphia Montgomery Lower Merion Twp. Philadelphia Montgomery Lower Moreland Twp. Philadelphia Montgomery Lower Pottsgrove Twp. Philadelphia AND Pottstown Montgomery Lower Providence Twp. Philadelphia Montgomery Lower Salford Twp. Philadelphia Montgomery Marlborough Twp. Philadelphia Montgomery Montgomery County Pottstown Montgomery Montgomery Twp. Philadelphia Montgomery Narberth Boro Philadelphia Montgomery New Hanover Twp. Pottstown Montgomery Norristown Boro Philadelphia Montgomery North Wales Boro Philadelphia Montgomery Pennsburg Boro Philadelphia Montgomery Perkiomen Twp. Philadelphia Montgomery Plymouth Twp. Philadelphia Montgomery Pottstown Boro Pottstown Montgomery Red Hill Boro Philadelphia Montgomery Rockledge Boro Philadelphia Montgomery Royersford Boro Philadelphia Montgomery Salford Twp. Philadelphia Montgomery Schwenksville Boro Philadelphia 12/13/2017 Page 5 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATERSHED MANAGEMENT

County Name Municipality Name Urbanized Area Name Montgomery Skippack Twp. Philadelphia Montgomery Souderton Boro Philadelphia Montgomery Springfield Twp. Philadelphia Montgomery Telford Boro Philadelphia Montgomery Towamencin Twp. Philadelphia Montgomery Trappe Boro Philadelphia Montgomery Upper Dublin Twp. Philadelphia Montgomery Upper Frederick Twp. Philadelphia Montgomery Upper Gwynedd Twp. Philadelphia Montgomery Upper Hanover Twp. Philadelphia Montgomery Upper Merion Twp. Philadelphia Montgomery Upper Moreland Twp. Philadelphia Montgomery Upper Pottsgrove Twp. Pottstown Montgomery Upper Providence Twp. Philadelphia Montgomery Upper Salford Twp. Philadelphia Montgomery West Conshohocken Boro Philadelphia Montgomery West Norriton Twp. Philadelphia Montgomery West Pottsgrove Twp. Pottstown Montgomery Whitemarsh Twp. Philadelphia Montgomery Whitpain Twp. Philadelphia Montgomery Worcester Twp. Philadelphia Philadelphia Philadelphia City Philadelphia Philadelphia Philadelphia County Philadelphia

12/13/2017 Page 6 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

Northeast Region: Carbon, Lackawanna, Lehigh, Luzerne, Monroe, Northampton, Pike, Schuylkill, Susquehanna, Wayne, and Wyoming Counties

County Name Municipality Name Urbanized Area Name Carbon Banks Twp. Hazleton Carbon Beaver Meadows Boro Hazleton Carbon Bowmanstown Boro Allentown/Bethlehem Carbon East Penn Twp. Allentown/Bethlehem Carbon Franklin Twp. Allentown/Bethlehem Carbon Lehighton Boro Allentown/Bethlehem Carbon Lower Towamensing Twp. Allentown/Bethlehem Carbon Mahoning Twp. Allentown/Bethlehem Carbon Palmerton Boro Allentown/Bethlehem Carbon Parryville Boro Allentown/Bethlehem Carbon Weissport Boro Allentown/Bethlehem Lackawanna Abington Twp. Scranton Lackawanna Archbald Boro Scranton Lackawanna Blakely Boro Scranton Lackawanna Carbondale City Scranton Lackawanna Carbondale Twp. Scranton Lackawanna Clarks Green Boro Scranton Lackawanna Clarks Summit Boro Scranton Lackawanna Dalton Boro Scranton Lackawanna Dickson City Boro Scranton Lackawanna Dunmore Boro Scranton Lackawanna Fell Twp. Scranton Lackawanna Jermyn Boro Scranton Lackawanna Jessup Boro Scranton Lackawanna Lackawanna County Scranton Lackawanna Mayfield Boro Scranton Lackawanna Moosic Boro Scranton Lackawanna Newton Twp. Scranton Lackawanna Old Forge Boro Scranton Lackawanna Olyphant Boro Scranton Lackawanna Ransom Twp. Scranton Lackawanna Scott Twp. Scranton Lackawanna Scranton City Scranton

County Name Municipality Name Urbanized Area Name Lackawanna South Abington Twp. Scranton Lackawanna Taylor Boro Scranton Lackawanna Throop Boro Scranton Lackawanna Vandling Boro Scranton Lackawanna West Abington Twp. Scranton Lehigh Alburtis Boro Allentown/Bethlehem Lehigh Allentown City Allentown/Bethlehem Lehigh Catasauqua Boro Allentown/Bethlehem Lehigh Coopersburg Boro Allentown/Bethlehem Lehigh Coplay Boro Allentown/Bethlehem Lehigh Emmaus Boro Allentown/Bethlehem Lehigh Fountain Hill Boro Allentown/Bethlehem Lehigh Hanover Twp. Allentown/Bethlehem Lehigh Heidelberg Twp. Allentown/Bethlehem Lehigh Lehigh County Allentown/Bethlehem Lehigh Lower Macungie Twp. Allentown/Bethlehem Lehigh Lower Milford Twp. Allentown/Bethlehem Lehigh Lowhill Twp. Allentown/Bethlehem Lehigh Macungie Boro Allentown/Bethlehem Lehigh North Whitehall Twp. Allentown/Bethlehem Lehigh Salisbury Twp. Allentown/Bethlehem Lehigh Slatington Boro Allentown/Bethlehem Lehigh South Whitehall Twp. Allentown/Bethlehem Lehigh Upper Macungie Twp. Allentown/Bethlehem Lehigh Upper Milford Twp. Allentown/Bethlehem Lehigh Upper Saucon Twp. Allentown/Bethlehem Lehigh Weisenberg Twp. Allentown/Bethlehem Lehigh Whitehall Twp. Allentown/Bethlehem Luzerne Ashley Boro Scranton Luzerne Avoca Boro Scranton Luzerne Bear Creek Twp. Scranton Luzerne Butler Twp. Hazleton Luzerne Conyngham Twp. Hazleton Luzerne Courtdale Boro Scranton Luzerne Dallas Boro Scranton Luzerne Dallas Twp. Scranton Luzerne Dupont Boro Scranton Luzerne Duryea Boro Scranton Luzerne Edwardsville Boro Scranton Luzerne Exeter Boro Scranton Luzerne Exeter Twp. Scranton 12/13/2017 Page 8 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

County Name Municipality Name Urbanized Area Name Luzerne Forty Fort Boro Scranton Luzerne Foster Twp. Hazleton Luzerne Freeland Boro Hazleton Luzerne Hanover Twp. Allentown/Bethlehem Luzerne Hanover Twp. Scranton Luzerne Harveys Lake Boro Scranton Luzerne Hazle Twp. Hazleton Luzerne Hazleton City Hazleton Luzerne Hughestown Boro Scranton Luzerne Jackson Twp. Scranton Luzerne Jeddo Boro Hazleton Luzerne Jenkins Twp. Scranton Luzerne Kingston Boro Scranton Luzerne Kingston Twp. Scranton Luzerne Laflin Boro Scranton Luzerne Larksville Boro Scranton Luzerne Laurel Run Boro Scranton Luzerne Lehman Twp. Scranton Luzerne Luzerne Boro Scranton Luzerne Luzerne County Scranton Luzerne Nanticoke City Scranton Luzerne Newport Twp. Scranton Luzerne Pittston City Scranton Luzerne Pittston Twp. Scranton Luzerne Plains Twp. Scranton Luzerne Plymouth Boro Scranton Luzerne Plymouth Twp. Scranton Luzerne Pringle Boro Scranton Luzerne Sugar Notch Boro Scranton Luzerne Sugarloaf Twp. Hazleton Luzerne Swoyersville Boro Scranton Luzerne Warrior Run Boro Scranton Luzerne West Hazleton Boro Hazleton Luzerne West Pittston Boro Scranton Luzerne West Wyoming Boro Scranton Luzerne Wilkes Barre City Scranton Luzerne Wilkes Barre Twp. Scranton Luzerne Wyoming Boro Scranton Luzerne Yatesville Boro Scranton Northampton Allen Twp. Allentown/Bethlehem Northampton Bangor Boro Allentown/Bethlehem 12/13/2017 Page 9 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

County Name Municipality Name Urbanized Area Name Northampton Bath Boro Allentown/Bethlehem Northampton Bethlehem City Allentown/Bethlehem Northampton Bethlehem Twp. Allentown/Bethlehem Northampton Bushkill Twp. Allentown/Bethlehem Northampton Chapman Boro Allentown/Bethlehem Northampton East Allen Twp. Allentown/Bethlehem Northampton East Bangor Boro Allentown/Bethlehem Northampton Easton City Allentown/Bethlehem Northampton Forks Twp. Allentown/Bethlehem Northampton Freemansburg Boro Allentown/Bethlehem Northampton Glendon Boro Allentown/Bethlehem Northampton Hanover Twp. Allentown/Bethlehem Northampton Hellertown Boro Allentown/Bethlehem Northampton Lehigh Twp. Allentown/Bethlehem Northampton Lower Mt. Bethel Twp. Allentown/Bethlehem Northampton Lower Nazareth Twp. Allentown/Bethlehem Northampton Lower Saucon Twp. Allentown/Bethlehem Northampton Moore Twp. Allentown/Bethlehem Northampton Nazareth Boro Allentown/Bethlehem Northampton North Catasauqua Boro Allentown/Bethlehem Northampton Northampton Boro Allentown/Bethlehem Northampton Northampton County Allentown/Bethlehem Northampton Palmer Twp. Allentown/Bethlehem Northampton Pen Argyl Boro Allentown/Bethlehem Northampton Plainfield Twp. Allentown/Bethlehem Northampton Roseto Boro Allentown/Bethlehem Northampton Stockertown Boro Allentown/Bethlehem Northampton Tatamy Boro Allentown/Bethlehem Northampton Upper Mt. Bethel Twp. Allentown/Bethlehem Northampton Upper Nazareth Twp. Allentown/Bethlehem Northampton Walnutport Boro Allentown/Bethlehem Northampton Washington Twp. Allentown/Bethlehem Northampton West Easton Boro Allentown/Bethlehem Northampton Williams Twp. Allentown/Bethlehem Northampton Wilson Boro Allentown/Bethlehem Northampton Wind Gap Boro Allentown/Bethlehem Schuylkill Kline Twp. Hazleton Schuylkill McAdoo Boro Hazleton Susquehanna Forest City Boro Scranton Susquehanna Great Bend Boro Binghamton Susquehanna Great Bend Twp. Binghamton 12/13/2017 Page 10 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

County Name Municipality Name Urbanized Area Name Susquehanna Hallstead Boro Binghamton Susquehanna New Milford Boro Binghamton Susquehanna New Milford Twp. Binghamton Wayne Canaan Twp. Scranton Wayne Clinton Twp. Scranton Wyoming Clinton Twp. Scranton Wyoming Factoryville Boro Scranton

MS4s outside UAs that might be potentially designated for inclusion in the Phase II program:

County Name Municipality Name Urbanized Area Name Schuylkill Pottsville City N/A

Southcentral Region: Adams, Bedford, Berks, Blair, Cumberland, Dauphin, Franklin, Fulton, Huntingdon, Juniata, Lancaster, Lebanon, Mifflin, Perry, and York Counties

County Name Municipality Name Urbanized Area Name Berks Alsace Twp. Reading Berks Amity Twp. Reading Berks Bally Boro Pottstown Berks Bechtelsville Boro Pottstown Berks Berks County Pottstown AND Reading Berks Bern Twp. Reading Berks Birdsboro Boro Reading Berks Boyertown Boro Pottstown Berks Brecknock Twp. Reading Berks Centre Twp. Reading Berks Colebrookdale Twp. Pottstown Berks Cumru Twp. Reading Berks Douglass Twp. Pottstown Berks Earl Twp. Pottstown AND Reading Berks Exeter Twp. Reading Berks Fleetwood Boro Reading Berks Heidelberg Twp. Reading Berks Kenhorst Boro Reading Berks Laureldale Boro Reading Berks Leesport Boro Reading Berks Longswamp Twp. Allentown/Bethlehem Berks Lower Alsace Twp. Reading Berks Lower Heidelberg Twp. Reading Berks Maidencreek Twp. Reading Berks Marion Twp. Reading Berks Mohnton Boro Reading Berks Mt. Penn Boro Reading Berks Muhlenberg Twp. Reading Berks Oley Twp. Reading Berks Ontelaunee Twp. Reading Berks Penn Twp. Reading Berks Reading City Reading Berks Richmond Twp. Reading

County Name Municipality Name Urbanized Area Name Berks Robeson Twp. Reading Berks Robesonia Boro Reading Berks Ruscombmanor Twp. Reading Berks Shillington Boro Reading Berks Sinking Spring Boro Reading Berks South Heidelberg Twp. Lancaster Berks South Heidelberg Twp. Lancaster AND Reading Berks Spring Twp. Lancaster AND Reading Berks St. Lawrence Boro Reading Berks Union Twp. Reading AND Lebanon Berks Washington Twp. Pottstown Berks Wernersville Boro Reading Berks West Lawn Boro Reading Berks West Reading Boro Reading Berks Womelsdorf Boro Reading Berks Wyomissing Boro Reading Berks Wyomissing Hills Boro Reading Blair Allegheny Twp. Altoona Blair Altoona City Altoona Blair Antis Twp. Altoona Blair Bellwood Boro Altoona Blair Blair County Altoona Blair Blair Twp. Altoona Blair Duncansville Boro Altoona Blair Frankstown Twp. Altoona Blair Freedom Twp. Altoona Blair Hollidaysburg Boro Altoona Blair Juniata Twp. Altoona Blair Logan Twp. Altoona Blair Newry Boro Altoona Cumberland Camp Hill Boro Harrisburg Cumberland Cumberland County Harrisburg Cumberland East Pennsboro Twp. Harrisburg Cumberland Hampden Twp. Harrisburg Cumberland Lemoyne Boro Harrisburg Cumberland Lower Allen Twp. Harrisburg Cumberland Mechanicsburg Boro Harrisburg Cumberland Monroe Twp. Harrisburg Cumberland New Cumberland Boro Harrisburg Cumberland Shiremanstown Boro Harrisburg Cumberland Silver Spring Twp. Harrisburg 12/13/2017 Page 13 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

County Name Municipality Name Urbanized Area Name Cumberland Upper Allen Twp. Harrisburg Cumberland Wormleysburg Boro Harrisburg Dauphin Conewago Twp. Harrisburg Dauphin Dauphin Boro Harrisburg Dauphin Dauphin County Harrisburg Dauphin Derry Twp. Harrisburg Dauphin East Hanover Twp. Harrisburg Dauphin Harrisburg City Harrisburg Dauphin Highspire Boro Harrisburg Dauphin Hummelstown Boro Harrisburg Dauphin Londonderry Twp. Harrisburg Dauphin Lower Paxton Twp. Harrisburg Dauphin Lower Swatara Twp. Harrisburg Dauphin Middle Paxton Twp. Harrisburg Dauphin Middletown Boro Harrisburg Dauphin Paxtang Boro Harrisburg Dauphin Penbrook Boro Harrisburg Dauphin Royalton Boro Harrisburg Dauphin South Hanover Twp. Harrisburg Dauphin Steelton Boro Harrisburg Dauphin Susquehanna Twp. Harrisburg Dauphin Swatara Twp. Harrisburg Dauphin West Hanover Twp. Harrisburg Franklin Antrim Twp. Hagerstown Franklin Franklin County Hagerstown Lancaster Adamstown Boro Reading Lancaster Akron Boro Lancaster Lancaster Brecknock Twp. Lancaster Lancaster Clay Twp. Lancaster Lancaster Columbia Boro Lancaster Lancaster Conestoga Twp. Lancaster Lancaster Denver Boro Lancaster Lancaster Earl Twp. Lancaster Lancaster East Cocalico Twp. Lancaster AND Reading Lancaster East Donegal Twp. Lancaster Lancaster East Earl Twp. Lancaster Lancaster East Hempfield Twp. Lancaster Lancaster East Lampeter Twp. Lancaster Lancaster East Petersburg Boro Lancaster Lancaster Elizabeth Twp. Lancaster Lancaster Ephrata Boro Lancaster 12/13/2017 Page 14 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

County Name Municipality Name Urbanized Area Name Lancaster Ephrata Twp. Lancaster Lancaster Lancaster City Lancaster Lancaster Lancaster County Lancaster Lancaster Lancaster Twp. Lancaster Lancaster Leacock Twp. Lancaster Lancaster Lititz Boro Lancaster Lancaster Manheim Boro Lancaster Lancaster Manheim Twp. Lancaster Lancaster Manor Twp. Lancaster Lancaster Marietta Boro Lancaster Lancaster Millersville Boro Lancaster Lancaster Mountville Boro Lancaster Lancaster Mt. Joy Boro Lancaster Lancaster Mt. Joy Twp. Lancaster Lancaster New Holland Boro Lancaster Lancaster Paradise Twp. Lancaster Lancaster Penn Twp. Lancaster Lancaster Pequea Twp. Lancaster Lancaster Providence Twp. Lancaster Lancaster Rapho Twp. Lancaster Lancaster Salisbury Twp. Allentown/Bethlehem AND Lancaster Lancaster Strasburg Boro Lancaster Lancaster Strasburg Twp. Lancaster Lancaster Terre Hill Boro Lancaster Lancaster Upper Leacock Twp. Lancaster Lancaster Warwick Twp. Lancaster Lancaster West Cocalico Twp. Lancaster Lancaster West Earl Twp. Lancaster Lancaster West Hempfield Twp. Lancaster Lancaster West Lampeter Twp. Lancaster Lebanon Cleona Boro Lebanon Lebanon Cornwall Boro Lebanon Lebanon East Hanover Twp. Lebanon Lebanon Jackson Twp. Lebanon Lebanon Jonestown Boro Lebanon Lebanon Lebanon City Lebanon Lebanon Lebanon County Harrisburg Lebanon Myerstown Boro Lebanon Lebanon North Annville Twp. Lebanon Lebanon North Cornwall Twp. Lebanon 12/13/2017 Page 15 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

County Name Municipality Name Urbanized Area Name Lebanon North Lebanon Twp. Lebanon Lebanon North Londonderry Twp. Harrisburg Lebanon Palmyra Boro Harrisburg Lebanon South Annville Twp. Harrisburg AND Lebanon Lebanon South Lebanon Twp. Lebanon Lebanon South Londonderry Twp. Harrisburg Lebanon Swatara Twp. Lebanon Lebanon Union Twp. Pottstown Lebanon West Cornwall Twp. Lebanon Lebanon West Lebanon Twp. Lebanon Perry Marysville Boro Harrisburg Perry Penn Twp. Harrisburg Perry Perry County Harrisburg Perry Rye Twp. Harrisburg York Carroll Twp. Harrisburg York Conewago Twp. Harrisburg AND York York Dallastown Boro York York Dillsburg Boro Harrisburg York Dover Boro York York Dover Twp. York York East Manchester Twp. York York East Prospect Boro York York Fairview Twp. Harrisburg York Franklin Twp. Harrisburg York Franklintown Boro Harrisburg York Goldsboro Boro York York Hallam Boro York York Hellam Twp. Lancaster AND York York Jackson Twp. York York Jacobus Boro York York Lewisberry Boro Harrisburg York Loganville Boro York York Lower Windsor Twp. York York Manchester Boro York York Manchester Twp. York York Monaghan Twp. Harrisburg York Mt. Wolf Boro York York New Salem Boro York York Newberry Twp. Harrisburg AND York York North Codorus Twp. York York North York Boro York 12/13/2017 Page 16 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

County Name Municipality Name Urbanized Area Name York Red Lion Boro York York Spring Garden Twp. York York Springettsbury Twp. York York Springfield Twp. York York Warrington Twp. Harrisburg York West Manchester Twp. York York West York Boro York York Windsor Boro York York Windsor Twp. York York Wrightsville Boro Lancaster York Yoe Boro York York York City York York York County Harrisburg AND Lancaster AND York York York Haven Boro York York York Twp. York York Yorkana Boro York

County Name Municipality Name Urbanized Area Name Cumberland Carlisle Boro N/A Franklin Chambersburg Boro N/A Lancaster Elizabethtown Boro N/A York Hanover Boro N/A

Municipal Separate Storm Sewer Systems (MS4s) within Urbanized Areas in Pennsylvania, Grouped by Region Northcentral Region: Bradford, Cameron, Centre, Clearfield, Clinton, Columbia, Lycoming, Montour, Northumberland, Potter, Snyder, Sullivan, Tioga, and Union Counties

County Name Municipality Name Urbanized Area Name Centre Benner Twp. State College Centre Centre County State College Centre College Twp. State College Centre Ferguson Twp. State College Centre Harris Twp. State College Centre Patton Twp. State College Centre State College Boro State College Lycoming Duboistown Boro Williamsport Lycoming Fairfield Twp. Williamsport Lycoming Hepburn Twp. Williamsport Lycoming Loyalsock Twp. Williamsport Lycoming Lycoming County Williamsport Lycoming Lycoming Twp. Williamsport Lycoming Montoursville Boro Williamsport Lycoming Old Lycoming Twp. Williamsport Lycoming Piatt Twp. Williamsport Lycoming South Williamsport Boro Williamsport Lycoming Williamsport City Williamsport Lycoming Woodward Twp. Williamsport

County Name Municipality Name Urbanized Area Name Columbia N/A Columbia Bloomsburg Boro N/A Northumberland Sunbury City N/A

Southwest Region: Allegheny, Armstrong, Beaver, Cambria, Fayette, Greene, Indiana, Somerset, Washington, and Westmoreland Counties

County Name Municipality Name Urbanized Area Name Allegheny Aleppo Twp. Pittsburgh Allegheny Allegheny County Pittsburgh Allegheny Aspinwall Boro Pittsburgh Allegheny Avalon Boro Pittsburgh Allegheny Baldwin Boro Pittsburgh Allegheny Baldwin Twp. Pittsburgh Allegheny Bell Acres Boro Pittsburgh Allegheny Bellevue Boro Pittsburgh Allegheny Ben Avon Boro Pittsburgh Allegheny Ben Avon Heights Boro Pittsburgh Allegheny Bethel Park Boro Pittsburgh Allegheny Blawnox Boro Pittsburgh Allegheny Brackenridge Boro Pittsburgh Allegheny Braddock Boro Pittsburgh Allegheny Braddock Hills Boro Pittsburgh Allegheny Bradford Woods Boro Pittsburgh Allegheny Brentwood Boro Pittsburgh Allegheny Bridgeville Boro Pittsburgh Allegheny Carnegie Boro Pittsburgh Allegheny Castle Shannon Boro Pittsburgh Allegheny Chalfant Boro Pittsburgh Allegheny Cheswick Boro Pittsburgh Allegheny Churchill Boro Pittsburgh Allegheny Clairton City Pittsburgh Allegheny Collier Twp. Pittsburgh Allegheny Coraopolis Boro Pittsburgh Allegheny Crafton Boro Pittsburgh Allegheny Crescent Twp. Pittsburgh Allegheny Dormont Boro Pittsburgh Allegheny Dravosburg Boro Pittsburgh Allegheny Duquesne City Pittsburgh Allegheny East Deer Twp. Pittsburgh Allegheny East McKeesport Boro Pittsburgh

County Name Municipality Name Urbanized Area Name Allegheny East Pittsburgh Boro Pittsburgh Allegheny Edgewood Boro Pittsburgh Allegheny Edgeworth Boro Pittsburgh Allegheny Elizabeth Boro Pittsburgh Allegheny Elizabeth Twp. Pittsburgh Allegheny Emsworth Boro Pittsburgh Allegheny Etna Boro Pittsburgh Allegheny Fawn Twp. Pittsburgh Allegheny Findlay Twp. Pittsburgh Allegheny Forest Hills Boro Pittsburgh Allegheny Forward Twp. Monessen AND Pittsburgh Allegheny Fox Chapel Boro Pittsburgh Allegheny Franklin Park Boro Pittsburgh Allegheny Frazer Twp. Pittsburgh Allegheny Glassport Boro Pittsburgh Allegheny Glenfield Boro Pittsburgh Allegheny Green Tree Boro Pittsburgh Allegheny Hampton Twp. Pittsburgh Allegheny Harmar Twp. Pittsburgh Allegheny Harrison Twp. Pittsburgh Allegheny Haysville Boro Pittsburgh Allegheny Heidelberg Boro Pittsburgh Allegheny Homestead Boro Pittsburgh Allegheny Indiana Twp. Pittsburgh Allegheny Ingram Boro Pittsburgh Allegheny Jefferson Hills Boro Pittsburgh Allegheny Kennedy Twp. Pittsburgh Allegheny Kilbuck Twp. Pittsburgh Allegheny Leet Twp. Pittsburgh Allegheny Leetsdale Boro Pittsburgh Allegheny Liberty Boro Pittsburgh Allegheny Lincoln Boro Pittsburgh Allegheny Marshall Twp. Pittsburgh Allegheny McCandless Twp. Pittsburgh Allegheny McKees Rocks Boro Pittsburgh Allegheny McKeesport City Pittsburgh Allegheny Millvale Boro Pittsburgh Allegheny Monroeville Boro Pittsburgh Allegheny Moon Twp. Pittsburgh Allegheny Mt. Lebanon Twp. Pittsburgh Allegheny Mt. Oliver Boro Pittsburgh 12/13/2017 Page 20 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

County Name Municipality Name Urbanized Area Name Allegheny Munhall Boro Pittsburgh Allegheny Neville Twp. Pittsburgh Allegheny North Braddock Boro Pittsburgh Allegheny North Fayette Twp. Pittsburgh Allegheny North Versailles Twp. Pittsburgh Allegheny O’Hara Twp. Pittsburgh Allegheny Oakdale Boro Pittsburgh Allegheny Oakmont Boro Pittsburgh Allegheny Ohio Twp. Pittsburgh Allegheny Osborne Boro Pittsburgh Allegheny Penn Hills Twp. Pittsburgh Allegheny Pennsbury Village Boro Pittsburgh Allegheny Pine Twp. Pittsburgh Allegheny Pitcairn Boro Pittsburgh Allegheny Pittsburgh City Pittsburgh Allegheny Pleasant Hills Boro Pittsburgh Allegheny Plum Boro Pittsburgh Allegheny Port Vue Boro Pittsburgh Allegheny Rankin Boro Pittsburgh Allegheny Reserve Twp. Pittsburgh Allegheny Richland Twp. Pittsburgh Allegheny Robinson Twp. Pittsburgh Allegheny Ross Twp. Pittsburgh Allegheny Rosslyn Farms Boro Pittsburgh Allegheny Scott Twp. Pittsburgh Allegheny Sewickley Boro Pittsburgh Allegheny Sewickley Heights Boro Pittsburgh Allegheny Sewickley Hills Boro Pittsburgh Allegheny Shaler Twp. Pittsburgh Allegheny Sharpsburg Boro Pittsburgh Allegheny South Fayette Twp. Pittsburgh Allegheny South Park Twp. Pittsburgh Allegheny South Versailles Twp. Pittsburgh Allegheny Springdale Boro Pittsburgh Allegheny Springdale Twp. Pittsburgh Allegheny Stowe Twp. Pittsburgh Allegheny Swissvale Boro Pittsburgh Allegheny Tarentum Boro Pittsburgh Allegheny Thornburg Boro Pittsburgh Allegheny Turtle Creek Boro Pittsburgh Allegheny Upper St. Clair Twp. Pittsburgh 12/13/2017 Page 21 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

County Name Municipality Name Urbanized Area Name Allegheny Verona Boro Pittsburgh Allegheny Versailles Boro Pittsburgh Allegheny Wall Boro Pittsburgh Allegheny West Deer Twp. Pittsburgh Allegheny West Elizabeth Boro Pittsburgh Allegheny West Homestead Boro Pittsburgh Allegheny West Mifflin Boro Pittsburgh Allegheny West View Boro Pittsburgh Allegheny Whitaker Boro Pittsburgh Allegheny White Oak Boro Pittsburgh Allegheny Whitehall Boro Pittsburgh Allegheny Wilkinsburg Boro Pittsburgh Allegheny Wilmerding Boro Pittsburgh Armstrong Freeport Boro Pittsburgh Armstrong South Buffalo Twp. Pittsburgh Beaver Aliquippa City Pittsburgh Beaver Ambridge Boro Pittsburgh Beaver Baden Boro Pittsburgh Beaver Beaver Boro Pittsburgh Beaver Beaver County Pittsburgh Beaver Beaver Falls City Pittsburgh Beaver Big Beaver Boro Pittsburgh Beaver Bridgewater Boro Pittsburgh Beaver Brighton Twp. Pittsburgh Beaver Center Twp. Pittsburgh Beaver Chippewa Twp. Pittsburgh Beaver Conway Boro Pittsburgh Beaver Darlington Boro Pittsburgh Beaver Darlington Twp. Pittsburgh Beaver Daugherty Twp. Pittsburgh Beaver East Rochester Boro Pittsburgh Beaver Eastvale Boro Pittsburgh Beaver Economy Boro Pittsburgh Beaver Fallston Boro Pittsburgh Beaver Franklin Twp. Pittsburgh AND Uniontown/Connellsville Beaver Freedom Boro Pittsburgh Beaver Harmony Twp. Pittsburgh Beaver Homewood Boro Pittsburgh Beaver Hopewell Twp. Pittsburgh Beaver Industry Boro Pittsburgh 12/13/2017 Page 22 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

County Name Municipality Name Urbanized Area Name Beaver Koppel Boro Pittsburgh Beaver Monaca Boro Pittsburgh Beaver New Brighton Boro Pittsburgh Beaver New Galilee Boro Pittsburgh Beaver New Sewickley Twp. Pittsburgh Beaver North Sewickley Twp. Pittsburgh Beaver Patterson Heights Boro Pittsburgh Beaver Patterson Twp. Pittsburgh Beaver Potter Twp. Pittsburgh Beaver Pulaski Twp. Pittsburgh Beaver Rochester Boro Pittsburgh Beaver Rochester Twp. Pittsburgh Beaver South Beaver Twp. Pittsburgh Beaver South Heights Boro Pittsburgh Beaver Vanport Twp. Pittsburgh Beaver West Mayfield Boro Pittsburgh Beaver White Twp. Pittsburgh Cambria Adams Twp. Johnstown Cambria Brownstown Boro Johnstown Cambria Cambria County Johnstown Cambria Conemaugh Twp. Johnstown Cambria Daisytown Boro Johnstown Cambria Dale Boro Johnstown Cambria East Conemaugh Boro Johnstown Cambria East Taylor Twp. Johnstown Cambria Ferndale Boro Johnstown Cambria Franklin Boro Johnstown Cambria Geistown Boro Johnstown Cambria Jackson Twp. Johnstown Cambria Johnstown City Johnstown Cambria Lorain Boro Johnstown Cambria Lower Yoder Twp. Johnstown Cambria Middle Taylor Twp. Johnstown Cambria Richland Twp. Johnstown Cambria Scalp Level Boro Johnstown Cambria Southmont Boro Johnstown Cambria Stonycreek Twp. Johnstown Cambria Upper Yoder Twp. Johnstown Cambria West Taylor Twp. Johnstown Cambria Westmont Boro Johnstown Fayette Belle Vernon Boro Monessen 12/13/2017 Page 23 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

County Name Municipality Name Urbanized Area Name Fayette Brownsville Boro Monessen Fayette Brownsville Twp. Monessen Fayette Bullskin Twp. Pittsburgh AND Uniontown/Connellsville Fayette Connellsville City Uniontown Fayette Connellsville Twp. Uniontown Fayette Dawson Boro Uniontown Fayette Dunbar Boro Uniontown Fayette Dunbar Twp. Uniontown Fayette Everson Boro Pittsburgh Fayette Fairchance Boro Uniontown Fayette Fayette City Boro Monessen Fayette Fayette County Monessen Fayette Georges Twp. Uniontown Fayette German Twp. Uniontown Fayette Lower Tyrone Twp. Uniontown Fayette Luzerne Twp. Monessen Fayette Newell Boro Monessen Fayette North Union Twp. Uniontown Fayette Uniontown Fayette South Union Twp. Uniontown Fayette Uniontown City Uniontown Fayette Upper Tyrone Twp. Pittsburgh Fayette Vanderbilt Boro Uniontown Fayette Washington Twp. Monessen Somerset Conemaugh Twp. Johnstown Somerset Paint Boro Johnstown Somerset Paint Twp. Johnstown Somerset Somerset County Johnstown Somerset Windber Boro Johnstown Washington Allenport Boro Monessen Washington Amwell Twp. Pittsburgh Washington Bentleyville Boro Monessen Washington Buffalo Twp. Pittsburgh Washington California Boro Monessen Washington Canonsburg Boro Pittsburgh Washington Canton Twp. Pittsburgh Washington Carroll Twp. Monessen Washington Cecil Twp. Pittsburgh Washington Charleroi Boro Monessen Washington Chartiers Twp. Pittsburgh 12/13/2017 Page 24 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

County Name Municipality Name Urbanized Area Name Washington Coal Center Boro Monessen Washington Cokeburg Boro Monessen Washington Donora Boro Monessen Washington Dunlevy Boro Monessen Washington East Washington Boro Pittsburgh Washington Elco Boro Monessen Washington Ellsworth Boro Monessen Washington Fallowfield Twp. Monessen Washington Finleyville Boro Pittsburgh Washington Hanover Twp. Weirton Washington Houston Boro Pittsburgh Washington McDonald Boro Pittsburgh Washington Monongahela City Monessen Washington New Eagle Boro Monessen Washington North Bethlehem Twp. Monessen Washington North Charleroi Boro Monessen Washington North Franklin Twp. Pittsburgh Washington North Strabane Twp. Pittsburgh Washington Nottingham Twp. Pittsburgh Washington Peters Twp. Pittsburgh Washington Robinson Twp. Pittsburgh Washington Roscoe Boro Monessen Washington Somerset Twp. Monessen Washington South Franklin Twp. Pittsburgh Washington South Strabane Twp. Pittsburgh Washington Speers Boro Monessen Washington Stockdale Boro Monessen Washington Twilight Boro Monessen Washington Union Twp. Monessen AND Pittsburgh Washington Washington City Pittsburgh Washington Washington County Monessen AND Pittsburgh AND Weirton Washington West Brownsville Boro Monessen Washington West Pike Run Twp. Monessen Westmoreland Adamsburg Boro Pittsburgh Westmoreland Allegheny Twp. Pittsburgh Westmoreland Arnold City Pittsburgh Westmoreland Arona Boro Pittsburgh Westmoreland Delmont Boro Pittsburgh Westmoreland Derry Twp. Pittsburgh Westmoreland East Huntingdon Twp. Pittsburgh 12/13/2017 Page 25 of 30 COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WATER SUPPLY AND WASTEWATER MANAGEMENT

County Name Municipality Name Urbanized Area Name Westmoreland Export Boro Pittsburgh Westmoreland Greensburg City Pittsburgh Westmoreland Hempfield Twp. Pittsburgh Westmoreland Hunker Boro Pittsburgh Westmoreland Irwin Boro Pittsburgh Westmoreland Jeannette City Pittsburgh Westmoreland Latrobe Boro Pittsburgh Westmoreland Ligonier Boro Pittsburgh Westmoreland Lower Burrell City Pittsburgh Westmoreland Madison Boro Pittsburgh Westmoreland Manor Boro Pittsburgh Westmoreland Monessen City Monessen Westmoreland Mt. Pleasant Boro Pittsburgh Westmoreland Mt. Pleasant Twp. Pittsburgh Westmoreland Murrysville Boro Pittsburgh Westmoreland New Kensington City Pittsburgh Westmoreland New Stanton Boro Pittsburgh Westmoreland North Belle Vernon Boro Monessen Westmoreland North Huntingdon Twp. Pittsburgh Westmoreland North Irwin Boro Pittsburgh Westmoreland Penn Boro Pittsburgh Westmoreland Penn Twp. Pittsburgh Westmoreland Rostraver Twp. Monessen AND Pittsburgh Westmoreland Salem Twp. Pittsburgh Westmoreland Scottdale Boro Pittsburgh Westmoreland Sewickley Twp. Pittsburgh Westmoreland South Greensburg Boro Pittsburgh Westmoreland South Huntingdon Twp. Pittsburgh Westmoreland Southwest Greensburg Boro Pittsburgh Westmoreland Sutersville Boro Pittsburgh Westmoreland Trafford Boro Pittsburgh Westmoreland Washington Twp. Pittsburgh Westmoreland West Newton Boro Pittsburgh Westmoreland Westmoreland County Monessen AND Pittsburgh Westmoreland Youngstown Boro Pittsburgh Westmoreland Youngwood Boro Pittsburgh

County Name Municipality Name Urbanized Area Name Indiana Indiana Boro N/A

Northwest Region: Butler, Clarion, Crawford, Elk, Erie, Forest, Jefferson, Lawrence, McKean, Mercer, Venango, and Warren Counties

County Name Municipality Name Urbanized Area Name Butler Adams Twp. Pittsburgh Butler Buffalo Twp. Pittsburgh Butler Cranberry Twp. Pittsburgh Butler Mars Boro Pittsburgh Butler Middlesex Twp. Pittsburgh Butler Seven Fields Boro Pittsburgh Butler Valencia Boro Pittsburgh Butler Winfield Twp. Pittsburgh Erie Erie City Erie Erie Erie County Erie Erie Fairview Twp. Erie Erie Girard Boro Erie Erie Girard Twp. Erie Erie Greene Twp. Erie Erie Harborcreek Twp. Erie Erie Lake City Boro Erie Erie Lawrence Park Twp. Erie Erie McKean Twp. Erie Erie Millcreek Twp. Erie Erie Summit Twp. Erie Erie Wesleyville Boro Erie Lawrence Ellport Boro Pittsburgh Lawrence Ellwood City Boro Pittsburgh Lawrence Lawrence County Pittsburgh Lawrence Perry Twp. Pittsburgh AND Reading Lawrence Wayne Twp. Pittsburgh Mercer Farrell City Youngstown Mercer Hermitage City Youngstown Mercer Mercer County Youngstown Mercer Sharon City Youngstown Mercer Sharpsville Boro Youngstown Mercer Shenango Twp. Youngstown Mercer South Pymatuning Twp. Youngstown

County Name Municipality Name Urbanized Area Name Mercer West Middlesex Boro Youngstown Mercer Wheatland Boro Youngstown

County Name Municipality Name Urbanized Area Name Butler Butler City N/A Crawford Meadville City N/A Lawrence New Castle City N/A Venango Oil City N/A Warren Warren City N/A

MS4s OUTSIDE URBANIZED AREAS THAT MIGHT BE POTENTIALLY DESIGNATED FOR INCLUSION ON THE PHASE II STORMWATER PROGRAM

County Name Municipality Name Urbanized Area Name Butler Butler City N/A Columbia Berwick Boro N/A Columbia Bloomsburg Boro N/A Crawford Meadville City N/A Cumberland Carlisle Boro N/A Franklin Chambersburg Boro N/A Indiana Indiana Boro N/A Lancaster Elizabethtown Boro N/A Lawrence New Castle City N/A Northumberland Sunbury City N/A Schuylkill Pottsville City N/A Venango Oil City N/A Warren Warren City N/A York Hanover Boro N/A

12/13/2017 Page 30 of 30