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Tigard’s Water : A Supply Update

Tigard’s Water : A Supply Update. Joint City Council & IWB Meeting September 20, 2005 Mr. Dennis Koellermeier, PW Director. Presentation: Tigard’s Water Supply Update. Source Water Current Status Future Issues Aquifer Storage Recovery Project Willamette River Water Coalition CIP Status

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Tigard’s Water : A Supply Update

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  1. Tigard’s Water :A Supply Update Joint City Council & IWB Meeting September 20, 2005 Mr. Dennis Koellermeier, PW Director

  2. Presentation:Tigard’s Water Supply Update • Source Water • Current Status • Future Issues • Aquifer Storage Recovery Project • Willamette River Water Coalition • CIP Status • Discussion & Next Steps

  3. Source:Portland Water Bureau • Current Status • Tigard Purchases Approximately 4.2 MGD • Provides Nearly 50% of Tigard’s Supply • Current Contract to Expire • June 30, 2007

  4. Source:Portland Water Bureau • Future Items • Proposed Contract Open for Public Review • October 3rd, 2005 • Educational Meeting in Tigard • Portland Representatives to Attend & Present • Finalized Costs NotAvailable • Estimates Provided • Finalized Costs will be Available March 1st, 2006 • Likely Decision Period • April to September 2006

  5. Source: Joint Water Commission • Current Status • Purchasing Nearly 1.0 MGD • Provides 11% of Current Supply • Leased 600 Acre-Feet • 60% of Lease Amount Used • Pending Decisions to Commit to Funding • Amendment 3 • Amendment 4

  6. Source: Joint Water Commission • Future Items • BOR requiring 2nd alternative • Partners Suggestion Include • 25’ Dam Raise • Tigard, Tualatin & TVWD Shift to the Willamette • Draft EIS due April 2006 • TVWD likely to vote on Willamette May 2006 • Affirmative Vote Effects on TVWD’s Decision

  7. Source: Lake Oswego • Current Status • Purchasing Approximately 1.6 MGD • Provides 19% of Current Supply • Amended Intergovernmental Agreement • Comments have been Submitted to Lake Oswego • Feasibility Study has Concluded • Technically Feasible • Financially Promising

  8. Source: Lake Oswego • Future Items • Feasibility Study • IWB has Received Report • Await Lake Oswego Commitment to Proceed • Next Phase: • Address Various Issues Including: • Technical Issues • Detailed Costs • Governance • Permitting • Budgeted for in FY 2005-06 • Estimate a 5 Month Effort w/ Completion in April 2006

  9. Source:Aquifer Storage Recovery • Current Status • ASR #1 in Recovery Phase • Producing 1 MGD • Have pumped ??? Mg to date this summer • Anticipate recovering ??? MG this year • ASR #2 in construction • Anticipated Completion

  10. Source:Aquifer Storage Recovery • Future Activities: • Anticipate Drilling 2-3 Test Wells in FY 06-07 • Determine Total Anticipated ASR Capacity • Develop Wells Accordingly in Future Years

  11. Status:Willamette River • Current Status • Tigard Obtains NO Water from the Willamette • Recent Legislation is Favorable • SB3038 Favors Tigard’s Water Rights on Willamette • Willamette River Water Coalition Update • WRWC has Launched Public Education Campaign

  12. Status:Willamette River • Future Activities: • City of Sherwood • WRWC Partner • Will Vote on Use of Willamette November 2005 • Tualatin Valley Water District • WRWC Partner • Poised to Vote on Use of Willamette May 2006 • WRWC Charter • Offering CIP Partnership for 90 Days

  13. Status:Capital Improvement Projects • Reservoir Sites: • In negotiations with willing sellers • Walnut Street • Regional projects (already discussed) • SCADA

  14. Discussion & Next Steps

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