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Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
Stormwater cost effectiveness 140604
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Stormwater cost effectiveness 140604

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Transcript

  • 1. Stormwater Cost-Effectiveness & The James Adrienne Kotula June 4, 2014
  • 2. Protecting America’s Founding River Five Core Programs: • James RIVERKEEPER® • Education • Outreach • Watershed Restoration • River Advocacy
  • 3. Initial Estimates Source: Virginia Senate Finance Committee, November 18, 2011
  • 4. Cost-Effectiveness Study • In-depth investigation of costs • Review all urban practices • Costs & Pollutant Removal • Case Study in City of Richmond
  • 5. Methodology • 33 Chesapeake Bay Program Approved & Unapproved Practices • Review Pollution Removal Efficiencies • Approved by Chesapeake Bay Program • If unapproved, relied on current research • Considered 20-Year Life Cycle Costs including: • Design & Construction • Land Values & Financing • Operations & Maintenance
  • 6. Most Cost-Effective Practices: Nitrogen • Pet waste programs: $ 1.36/lb • IDDE /sewer repair: $ 8.73/lb • IDDE /cross connections: $ 13.51/lb • Forest buffers: $100.31/lb • Urban stream restoration: $226.67/lb
  • 7. Most Cost-Effective Practices: Phosphorus • Pet waste programs: $10.43 /lb • IDDE /sewer repair: $34.94 /lb • IDDE/cross connections: $54.05 /lb • Urban stream restoration: $666.69/lb • Forest buffers: $1,230.76/lb
  • 8. Most Cost-Effective Practices: Total Suspended Solids • Urban stream restoration: $0.83/lb • IDDE /sewer repair: $0.87/lb • Urban growth reduction: $2.64/lb • Retrofit of existing dry pond (conversion to wet pond or wetland): $3.89/lb • Vegetated open channels (A/B soils, no underdrain): $4.50/lb
  • 9. Case Study • City of Richmond • Stormwater Permit Reductions Used • Local Data Used: – GIS layers to determine BMP feasibility – Local BMP Constraints – Input locally derived costs, where available
  • 10. Case Study Three Scenarios Developed: 1. Old CBP Approved Practices, Limited Constraints 2. New CBP Approved Practices, City Constraints Used 3. All Practices, City Constraints Used
  • 11. Key Findings *Scenario 2 does not meet pollution reduction targets $305 $89 $68 $62 $0 $50 $100 $150 $200 $250 $300 $350 Initial Estimates Scenario 1 Scenario 2* Scenario 3 City of Richmond Stormwater Pollution Reduction Costs through 2025 (in millions)
  • 12. Key Findings • Continued Research on Practices is Vital: – New Urban Nutrient Management Standard Approved – New Stream Restoration Standard Recommended – Currently Being Reviewed: • Enhanced Erosion & Sediment Control • Shoreline Erosion • Illicit Discharge Detection & Elimination
  • 13. Key Findings • Additional BMP Benefits should be quantified – Public Health/ Safety – Public Education – Recreation – Neighborhood Beautification – Urban Heat Island – Carbon Footprint – Wildlife Habitat – Stream Habitat – Flood Control
  • 14. Future Considerations • Local Practice Inventories Needed • Sustainable Funding Sources • Capital Improvement Planning • Private Property Incentives
  • 15. Adrienne Kotula akotula@jrava.org (804) 788-8811 x206 Questions?

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