Gaining Regulatory Acceptance for Green Infrastructure in Wet Weather Programs – 3 Case Studies


Over the last few years, interest in green infrastructure as a viable part of the solution for combined sewer overflows has grown considerably and nationally many programs are seeking to adapt their respective programs to incorporate it to varying extents. Only recently have several communities reached acceptance of green technologies as an approved element of their consent decrees. Although EPA and state regulatory agencies promote the use of green infrastructure as an important component of environmental policy for improving the water environment and improving the sustainability of our communities, it’s acceptance in approved control plans and enforcement mechanisms has not occurred until recently. This webcast presents 3 case studies that chronicle the efforts of 3 wet weather programs that have recently involved negotiating or re-negotiating consent decrees to incorporate green infrastructure as an accepted component of the control program.


  • Case studies of 3 wet weather programs adapting their consent decrees to include green infrastructure
  • Lessons learned from communities with accepted CSO control plans that include green infrastructure
  • Key program requirements, schedules, and green and grey infrastructure approaches used in the control program

  • Case Study #1 - Metropolitan Sewer District of Greater Cincinnati Wet Weather Program – MaryLynn Lodor
  • Case Study #2 - Onondaga County, New York – Department of Water Environment & Protection, Patricia Pastella
  • Case Study #3 - Louisville, Kentucky Metropolitan Sewerage District - Brian Bingham
  • Panel Q&A

  • Brian Marengo

Cooperating Organizations: Sustainability COP SW and Green Infrastructure Task Force; Watershed Management and Collection System Committees.

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