1 / 24

UPDATE: Tigard’s Long-Term Water Supply Options

UPDATE: Tigard’s Long-Term Water Supply Options. IWB / Tigard City Council Joint Meeting April 15, 2003. WHY?. Tigard is unable to independently provide for: Current water demands Future water demands To meet demand, Tigard purchases water from: Joint Water Commission

kerry
Download Presentation

UPDATE: Tigard’s Long-Term Water Supply Options

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. UPDATE: Tigard’s Long-Term Water Supply Options IWB / Tigard City Council Joint Meeting April 15, 2003

  2. WHY? Tigard is unable to independently provide for: • Current water demands • Future water demands To meet demand, Tigard purchases water from: • Joint Water Commission • City of Portland Water Bureau

  3. Tigard Water Demands 2002 Average Daily Demand (ADD) • 6.0 million gallons per day 2002 Peak Daily Demand (PDD) • 13.84 million gallons per day Future Demands (2010) • ADD - 6.76 million gallons per day • PDD - 17.15 million gallons per day

  4. IDENTIFIED OPTIONS Become a partial owner of: • Joint Water Commission; or • Proposed Bull Run Regional Drinking Water Agency

  5. Bull Run Regional Drinking Water Agency

  6. Proposed BRRDWA Portland Water Bureau - 1. No regionalization at this time • Phase III Assessment • Additional Time 2. Begin renegotiation process of wholesale contracts

  7. Estimated Cost of Portland Contracts Over 30 Years Total Cost = $666.2 Million

  8. Options for Relationships • Currently based on vendor-customer relationship • Proposing vendor-customer relationship • Authority may be based on collaborative relationship

  9. Current Contract Methodology • O&M costs based on budget • Peak-season costs allocated using changes in demand • Rate of return based on index • Use of replacement cost depreciation

  10. Revised Pricing Proposal • O&M based on actual historical expenditures • True-up for O&M and capital costs based on actual use • Use of original cost depreciation • Rate of return based on PDX’s interest rate on long-term debt and a premium

  11. Method for O&M Calculation • Current approach based on budget not expenditures • Proposal based on 3-year average of actual O&M expenditures • Average expenditures adjusted for inflation

  12. Joint Water Commission

  13. Joint Water Commission • Collective Water Supply Agency • Trask & Tualatin River Watersheds • Current Owners

  14. ASSETS • 70 MGD Treatment Plant • Barney & Scoggins Reservoir • 20MG Finished Water Reservoir • Transmission Lines

  15. Membership Model Currently Receiving: • 2 million gallons per day Initial Nomination (2003): • 4 million gallons per day Total Nomination (2018): • 18 million gallons a day

  16. Joining the JWC Initial Nomination: • 4 million gallons per day Initial Buy-In Cost: • $2 - $3 per gallon (of nomination) • Become partial owner of JWC assets • Does not buy water rights

  17. Financial Considerations • Financing buy-in • Paying for growth • Cost of service analysis & rates • Buy In – Buy Back

  18. Costs to be Paid Initial Buy-In Net Buy-In Usage Charge from Agency • Charged to members • Future operating expenses • Recovery of capital costs

  19. Capital Improvement Plans Option 1: • Scoggins Dam Expansion • Treatment Plant Expansion Option 2: • Scoggins Dam Expansion • Dual Treatment Plant Sites

  20. Tigard’s Costs for Projected Capital Expenditures

  21. Contingent Upon Tigard’s 100% participation is contingent upon: • Buy-Back Provisions • Wheeling Issues

  22. Implementation • How will Tigard buy-in? • When will it happen? • Will the costs be spread out over 40 years?

  23. Now What? Portland Water Bureau • Renegotiate wholesale water contracts (05-05-03) Joint Water Commission • Continue negotiations • Participate in feasibility studies Other • Continue to pursue other water source opportunities

  24. Quarterly Updates Next Meeting: July 15th, 2003 Joint IWB and Tigard City Council Meeting *Updates will be provided sooner if developments occur.

More Related