Environmental Rules in McKeesport, PA (2026)
4 verified environmental rules for McKeesport, Pennsylvania, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
McKeesport is regulated under Allegheny County MS4 permit and PA DEP Chapter 102. Earth disturbance over 5,000 sq ft requires an E&S control plan; over 1 acre requires NPDES permit.
Environmental: Stormwater
Heavy RestrictionsErosion Control
Projects disturbing 5,000 sq ft or more must submit an E&S plan to Allegheny County Conservation District. Silt fence, inlet protection, and stabilized construction entrances are standard.
Environmental: Erosion Control
Heavy RestrictionsFlood Zones
McKeesport sits at the confluence of the Monongahela and Youghiogheny rivers, placing significant portions of the city in FEMA Zone AE floodplain. Floodplain construction requires elevation to BFE plus 1.5 ft freeboard.
Environmental: Flood Zones
Heavy RestrictionsFEMA Flood Map Service Center - National Flood Insurance Program
About Flood Map Service Center The FEMA Flood Map Service Center (MSC) is the official public source for flood hazard information produced in support of the National Flood Insurance Program (NFIP). Use the MSC to find your official flood map, access a range of other flood hazard products, and take advantage of tools for better understanding flood risk. FEMA flood maps are continually updated th...
Grading & Drainage
Grading that alters drainage patterns requires a permit from McKeesport Public Works. Owners cannot direct stormwater onto neighboring properties under PA common law.
Environmental: Grading Drainage
Some RestrictionsLooking for Allegheny County county-wide rules?
County ordinances apply to unincorporated areas and may supplement McKeesport city rules.
Environmental Rules in Allegheny County →