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Dean Marriott Environmental Services Director

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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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Presentation Transcript
slide1

Dean MarriottEnvironmental ServicesDirector

Janet GillaspieOregon ACWAExecutive Director

portland s wastewater and stormwater utility
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
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
wastewater treatment
Wastewater Treatment

Environmental Features

  • Co-Generation Facility
  • Sodium Hypochlorite
  • Odor control
  • Biosolids recycling
pollution prevention services protecting the treatment system and waterways
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
operations and maintenance
Operations and Maintenance
  • Aging system
  • $254 million 2007-2008 fiscal year budget
    • $93.5 million operating budget
    • $155.5 million capital budget
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City of Portland

  • Covers 135 square miles
    • 18 square miles of rooftops
    • 15 square miles of streets
    • 12 square miles of parking lots
grey to green initiative
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
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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.
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Green Infrastructure

Ecoroofs

Swales

Planters

Green Streets

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Green Streets

behind the curb swale / basin

curb extension swale / basin

planter

rain garden / basin

clean river rewards
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

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