1. NCPPP Connect 2015 Seth Brown Storm & Stream Solutions, LLC Founder, Principal EPA Region III Contractor July 22, 2015 Boston, MA

2. Rise of Stormwater 40+ yrs Point Source 1970 Current vs. Nonpoint Source

3. “Only Major Growing Source of Water Pollution” – U.S. EPA NRDC, 2013 Boston Globe, 2013 Forestsforwatersheds.org, 2014 Wri.org, 2014 Water Quality Impairments Flooding Combined Sewer Overflows Ecological Impacts ????? Urban Stormwater Runoff Extreme rain events doubled in Midwest over last 50 Years 2014 had 8 th worst dead zone in Chesapeake Bay – 1 mi 3 850 billion gallons of untreated wastewater/stormwater per year Over half of stream miles do not support healthy populations of aquatic biota

4. Traditional Stormwater Management Convey Collect Detain Infiltrate Retain Green Stormwater Infrastructure

5. Seek and Ye Shall Find…

6. Scale of U.S. Stormwater Market 100M acres of developed land 1M acres of developed land per year (30 yrs) 27.5M acres of impervious cover Assume 20% retrofits Assume $150,000/ac $860B total need $29B over next 30 years Annual revenue for Microsoft ~ $86B Ford ~ $180B Dell ~ $62B

7. Regional Scale of GI Needs Region 3 Examples Philadelphia, PA 10,000 impervious acres to be retrofitted – CSO ~ $1.5B* District of Columbia 415 impervious acres to be retrofitted – MS4 ~ $6.2M* $100M of GI pledged in CSS areas – CSO = Total of 106.2M* Prince George’s County, MD 15,000 impervious acres to be retrofitted – MS4 ~ $2.4B* Montgomery County, MD 4,300 impervious acres to be retrofitted – MS4 ~ $645M* *Assumes cost of urban retrofit of $150,000/impervious acre

8. CBP3 Guide Overview CBP3 Community Self-Help Guide Led by EPA Region 3 Provides overview of P3 purpose, structure, aspects Gives history of P3s in the U.S. Compares traditional P3 vs. CBP3 Review of policy and statutory environment for P3s Provides drivers for large-scale investment Lists various scenarios throughout Region 3 Downloadable PDF available http://www.epa.gov/reg3wapd/greeninfrastructure/GI_CB_P3 _Guide_%20EPA_R3_FINAL_042115_508.pdf

9. Save the Date: October 7, Philadelphia CBP3 Stormwater Summit Dominique Lueckenhoff EPA Region 3 Water Protection Division Deputy Director lueckenhoff.dominique@epa.gov Seth Brown Storm & Stream Solutions, LLC Founder, Principal EPA Region 3 Contractor seth.brown@stormandstream.com lueckenhoff.dominique@epa.gov seth.brown@stormandstream.com