Department of environmental protection bureau of watershed management

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

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

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

Grouped by Region

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
Mercer	West Middlesex Boro	Youngstown
Mercer	Wheatland Boro	Youngstown

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

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

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

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