AKRF has worked closely with the Philadelphia Water Department on stormwater regulations and compliance matters.

The Philadelphia Water Department retained AKRF to update its municipal stormwater regulations and meet the responsibilities outlined in the Consent Order and Agreement and MS4 Permit with the Pennsylvania Department of Environmental Protection, while increasing customer confidence in the department’s stormwater plan review process.

Our update provided flexible compliance options for regulated sites by focusing on incentive-based regulations; these changes are reflected in the redevelopment of the existing Stormwater Management Guidance Manual, which represents the primary source of stormwater management information for the private development community in Philadelphia.

A key update to the stormwater regulations and the post-construction water quality requirement was the need for filtration of the entire water quality volume that cannot be infiltrated on site.