City of Port Angeles Combined Sewer Overflow CSO Program

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City of Port Angeles Combined Sewer Overflow
(CSO) Program

• For Rayonier Inc
• January 15, 2009

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CSO Program Update

• Location and magnitude of problem
• Regulatory Background
• Projects (Phases 1 2)
• Current Issues
• Moving Forward

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Over Flow Locations aerial
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Combined Sewer Overflows

• Total of 30-100 events per year at the four
  remaining CSO outfalls
• Each event can be 10 gallons to 12 million
  gallons
• Duration of an event can be 5 minutes to multiple
  overflows in 1½ days

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Combined Sewer Overflows

• Public Education and Notification
• Public Notices at each location
• Notify LEKT, DOH, DOE, Arthur D. Feiro Marine
  Life Center, City staff, County at beginning, end
  of each event
• Annual notification to utility customers

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Regulatory Background

• CSOs are regulated under the WWTPs NPDES Permit
  since 1991
• Updated CSO Plan Sept.06
• 2 phases of projects total 32 to 42M
• Agreed Order Oct.06, amended July 07
• Annual CSO Reports to DOE

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Two Options to Deal With CSOs

• Disconnect sources of stormwater inflows into
  the sewer system
• Increase capacity of sewer collection system
  convey to WWTP and/or CSO outfalls

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Objective

• Increase capacity of sewer collection system
  convey to Citys Waste Water Treatment Plant

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Option 1 - Disconnect Sources of Stormwater

• Disconnection Pilot Project 2001-03
• Estimated to cost 35-50M, not including addl
  cost for necessary Stormwater infrastructure
  improvements
• Work phased over many years

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Option 2 - Increase Capacity of Collection System

• Review of this option included need for storage
  upstream of WWTP
• Estimated to cost 35-42M
• Complete by 2015
• Minimal Stormwater improvements necessary
• Preferred alternative

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Two Phases

• Estimated cost 35M to 42M
• Complete by 2015

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Phase 1 Projects

• Projects, w/estimated Construction costs
• Force Mains, Oak St. to WWTP - 5.1M
• Francis St. Park diversion - 2.9M
• Storage Tank modifications - 2.4M
• Flow diversion facility, pump
• station WWTP modifications - 5.0M
• Bridge over Ennis Creek - 1.5M
• Total 16.9M

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Phase 1 Projects

• Insert map here

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Phase 2 Projects

• Downtown Gravity Sewer Mains
• New Pump Station 4
• Additional WWTP Improvements
• Total Estimated Phase 2 Cost 22M

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Phase 1 Design Stalled

• Design on hold since June 2008
• Need to complete permitting, which requires
  additional onsite investigations
• Rayonier has not authorized permanent use, nor
  onsite access
• Meeting with DOE Oct 2008

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Project Milestones

• Access to Rayonier property
• 10-12 months to complete design
• Design/permitting work to restart NLT April 1
• Oct 2010 DOE SRF Loan application deadline
• SRF funds available Summer 2011

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Delay Issues

• Design on hold
• Not meeting terms of Agreed Order
• Unable to obtain addl loan funding

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• More Background

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Key Relationships

• LEKT
• DOE
• Harbor Works PDA
• Rayonier

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Lower Elwha Klallam Tribe

• Design must respect cultural aspects and Tribal
  interests on site including
• Site history
• Avoid ground disturbance
• Restoration of Ennis Creek
• Future LEKT sewer connections

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Department of Ecology

• Enforce Agreed Order (Water Quality Program)
• Support of Rayonier Clean Up and Redevelopment
  (Toxics Cleanup Program)

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Harbor WorksPublic Development Authority (PDA)

• Set up with 3 parallel, but separate, goals
• CSO Project Tank on Rayonier Site
• Harbor Planning
• Assist in Remediation and Re-development of
  Rayonier Mill Site

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How Did We Plan ToAcquire the Tank

• Buy it, along with south half of property.
• OR
• Acquire it as part of Larger Plan
• Trade For Citys Assistance In Cleanup And
  Redevelopment
• OR
• Acquire only tank and easements for associated
  pipelines and CSO facilities

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• How are we moving forward?

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Next Steps

• Step 1
• Present plan to Rayonier, show that CSO efforts
  are not detrimental to property redevelopment
  may actually enhance site and speed up
  redevelopment efforts
• Step 2
• Enter into purchase agreement with Rayonier
• Step 3
• Amend Agreed Order to extend Phase 1 deadline

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Questions ?