Environmental Rules in Allentown, PA (2026)
5 verified environmental rules for Allentown, Pennsylvania, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Allentown requires stormwater management for new development and significant property modifications. Runoff must be controlled on-site through retention, detention, or infiltration systems.
Allentown Stormwater Management Rules
Some RestrictionsErosion Control
Allentown requires erosion and sediment control measures during all land-disturbing activities. Silt fences, erosion blankets, and stabilized construction entrances are standard requirements.
Allentown Erosion Control Requirements
Some RestrictionsCoastal Development
Allentown regulates development near waterways, lakes, and riparian areas through buffer zones and environmental review. Projects near water features may require additional permits.
Allentown Waterway & Shoreline Development
Some RestrictionsFlood Zones
Allentown enforces FEMA flood zone development standards. Properties in Special Flood Hazard Areas face elevation requirements, flood insurance mandates, and construction restrictions.
Allentown Flood Zone Regulations
Heavy RestrictionsGrading & Drainage
Allentown requires grading permits for significant earth-moving work. Drainage must not redirect water onto neighboring properties. Proper grading prevents erosion and flooding.
Allentown Grading & Drainage Rules
Some RestrictionsLooking for Lehigh County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Allentown city rules.
Environmental Rules in Lehigh County →