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Dean Marriott Environmental Services Director

Dean Marriott Environmental Services Director. Janet Gillaspie Oregon ACWA Executive Director. Portland’s Wastewater and Stormwater Utility. Serves over 560,000 Funded by revenue collected from commercial and residential sewer bills. Wastewater Treatment and Collection System.

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Dean Marriott Environmental Services Director

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  1. Dean MarriottEnvironmental ServicesDirector Janet GillaspieOregon ACWAExecutive Director

  2. Portland’s Wastewater and Stormwater Utility • Serves over 560,000 • Funded by revenue collected from commercial and residential sewer bills

  3. Wastewater Treatment and Collection System • 2 treatment plants • More than 2000 miles of sewer lines • 1000 miles of drainage system • 100 pump stations • 80 mgd treatment

  4. Wastewater Treatment Environmental Features • Co-Generation Facility • Sodium Hypochlorite • Odor control • Biosolids recycling

  5. Pollution Prevention ServicesProtecting the treatment system and waterways • Source Control program • Partner with trade groups - dental, auto, photo finishers (silver), restaurants • 99% compliance by industry • 450 business permits • Technical Assistance

  6. Combined Sewer Area

  7. Operations and Maintenance • Aging system • $254 million 2007-2008 fiscal year budget • $93.5 million operating budget • $155.5 million capital budget

  8. City of Portland • Covers 135 square miles • 18 square miles of rooftops • 15 square miles of streets • 12 square miles of parking lots

  9. Watershed Management Plan

  10. Grey to Green Initiative • Invest $50 million over 5 years to protect and enhance watershed health • Add 43 acres of ecoroofs • Construct 920 green streets • Plant 33,000 yard trees and 50,000 street trees • Accelerate the battle against invasive vegetation • Protect natural areas

  11. Green Solutions Guiding Principles • Manage stormwater runoff both at the source and at the surface. • Use plants and soil to slow, filter, cleanse, and infiltrate runoff. • Design facilities that aesthetically enhance the community.

  12. Green Infrastructure Ecoroofs Swales Planters Green Streets

  13. Green Streets behind the curb swale / basin curb extension swale / basin planter rain garden / basin

  14. Tabor to the River

  15. Tabor to the River

  16. Clean River Rewards Property owners who manage stormwater on their property can get up to a 100% discount on their on-site stormwater management charge

  17. Information and Community Outreach • Public information strategy • Transparent process • Involve community indecision making • Clean rivers education • Incentives andpartnerships

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