Library

Background Info

• Summer 2012 Project Update for LO Customers (pdf 723 kb)
• Stewardship of Water Resources Frequently Asked Questions (pdf 437 kb)
• What to Expect During Construction (pdf 1.2 mb)
• Project Fact Sheet, updated November 2012 (pdf 641 kb)
• Frequently Asked Questions updated October 2012 (pdf 220 kb)
• History of Lake Oswego’s Significant Water System Investments and Upgrades (pdf 45 kb)
• Focus Group Summary, February 2010 (pdf 257 kb) 
• Telephone Survey Summary, February 2010 (pdf 800 kb) 
• Water Supply Feasibility Project, 2005  (pdf 10 mb)

Documents and Reports

• Water Partnership Agreement (Intergovernmental Agreement)  (pdf 4.6 mb)
• Supply Facilities Capital Improvement Program (Exhibit 5), 2010 (pdf 1.3 mb)
• Lake Oswego Water Curtailment Plan  (pdf 115 kb)
• Lake Oswego Water Cost-of-Service Rate Study (pdf 10 mb)
• Aging Facilities Conundrum (pdf 259 kb)
• Joint Water Supply System Analysis Draft, July 2007, (pdf 10 mb)

Water Treatment Plant Information

• Robinwood Neighborhood Association Open House Presentation - October 27, 2011 (pdf 12 mb)
• Water Treatment Plant Good Neighbor Plan (pdf 303 kb)
• Mapleton Drive Properties - Frequently Asked Questions (pdf 136 kb)
• Water Treatment Decision, Expert Panel Summary Reports
  • Treatment Workshop 1 Summary (pdf 236 kb)
  • Treatment Workshop 2 Summary (pdf 331)
  • Treatment Workshop 3 Summary (pdf 211)

Water Conservation Resources

• Final Draft Update to the Lake Oswego Water Management and Conservation Plan, 2010  (pdf 4.5 mb)
• City of Tigard Water Website.
• City of Lake Oswego Water Conservation Website.
• Current Lake Oswego Weather Conditions Website (To guide you making good irrigation decisions).

Water Savvy Newsletter

• What you Need to Know About your Drinking Water; an accessible explanation of technical issues.
• Issue 1: Drinking Water Treatment Decision, March 2010  (pdf 1 mb)
• Issue 2: Lake Oswego's Municipal Water Rights, March 2010  (pdf 1 mb)
• , April 2010  (pdf 1 mb)
• Issue 4: Partnership Costs and Savings, June 2010  (pdf 762 kb)
• Issue 5: The Pressing Need for Water Conservation, October 2010  (pdf 1 mb)
• Issue 6: Experts Recommend New Drinking Water Treatment Method, October 2010  (pdf 2 mb)
• Issue 7: A Close Look at Environmental Permitting, November 2010  (pdf 874 kb)

Hello LO Newsletter Articles

• March 2013, Water Treatment Plant & Pipeline Update (1 mb)
• November 2012, Water Partnership Ensures Investment Value (402 kb)
• September 2012, Hot Weather Challenges Beat the Peak campaign (pdf 338 mb)
• July 2012, Lake Oswego Tigard Water Partnership Insert (pdf 877 kb)
• June 2012, Conserve Water This Summer to Beat the Peak! (pdf 1 mb)
• December 2011, Water Treatment Plant Design Progresses (pdf 60 kb)
• October 2011, Plant and Pipelines Under Design (pdf 108 kb)
• April 2011, Good Neighbors Don't Just Happen (pdf 181 kb)
• March 2011, Water Facility Plan Adopted (pdf 58 kb)
• February 2011, Water Partnership Invites Independent Review (pdf 259 kb)
• January 2011, LO and Tigard City Councils Approve Water Partnership Capital Program (pdf 89 kb)
• 2010 Hello LO Archive...

City of Tigard Cityscape Newsletter

• February, 2012, 2012 Goals Accomplished (pdf 515 kb)
• January 2011, Water Billing Rate Changes go Into Effect January 1st (pdf 585 kb)
• November 2010, Closing in on a Secure Water Future (pdf 652 kb)
• October 2010, The Road to Secure Drinking Water Future (pdf 629 kb)
• September 2010, Tigard's Drinking Water Dilema (pdf 629 kb)
• August 2010, Water ... A Tale of Two Cities (pdf 723 kb)
• June 2010, Open House Announcement (pdf 989 kb)
• 2010 Cityscape Archive...

Media

• West Linn residents sue city, councilors over permits for water treatment plant expansion, OregonLive.com, April 26, 2013
• Residents slap city council with lawsuit, PortlandTribune.com, April 24, 2013
• Digging In, PortlandTribune.com, April 11, 2013
• As construction of upgraded water system nears, Lake Oswego and Tigard consider review of water partnership, OregonLive.com, March 27, 2013
• Lake Oswego City Council moves forward with expansion of water system, OregonLive.com, March 6, 2013
• Lake Oswego residents want to pay for audit of water project after city council decides not to, OregonLive.com,  February 25, 2103
• Council seals water plant permits, PortlandTribune.com, February 21, 2013
• Lake Oswego City Council to consider audit of water partnership costs at Friday meeting, OregonLive.com, February 21, 2013
• Mounting costs and concerns delay Lake Oswego City Council decisions on water project, OregonLive.com, February 20, 2013
• West Linn City Council approves permits for Lake Oswego water treatment plant expansion, OregonLive.com, February 12, 2013
• Lake Oswego settles lawsuit for right to expand water treatment plant in West Linn, Oregonlive.com, January 31, 2013
• West Linn City Council postpones deciding permits for Lake Oswego water treatment plant expansion, Oregonlive.com, January 28, 2013
• West Linn City Council tackles Lake Oswego-Tigard water plant battle, PortlandTribune.com, January 16, 2013.
• Dispute over water treatment plant expansion in West Linn again comes to forefront, Oregonlive.com, January 14, 2013
• West Linn releases tentative terms for $5 million payment from Lake Oswego-Tigard Water Partnership, OregonLive.com, January 14, 2013
• Lake Oswego-Tigard Water Partnership won't decide on $5 million payment to West Linn by city's deadline, OregonLive.com, January 10,2013
• West Linn could get $5 million for expansion of Lake Oswego water treatment plant, OregonLive.com, January 8, 2013
• 2010-2012 Media Archive...

Press Releases

• Lake Oswego Water Supply System Showing Its Age - June 30, 2011
• Expert Panel Recommends New Water Treatment Process for Lake Oswego and Tigard - June 15, 2010
• Expert Panel Advises Water Treatment Decision for Lake Oswego, Tigard - April 16, 2010
• Lake Oswego/Tigard Water Partnership Program Management Contract Approved - November 19, 2009
  

Video (all links are to external websites)

• "Lake Oswego and Tigard Seal the Deal", August 2008, 10:30 min
• "Water Partnership Introduction", January 2010, 4:16 min
• "Water Treatment Recommendation", February 2010, 2:45 min
• "July 24 Open House", July 2010, 1:34 min
• "Re-investing in Clean Water", August 2011, 4:26 min
• "Minuature Water Treatment Plant", September 2011, 1:43 min
• "Lake Oswego Tigard Water Partnership Feature - ICMA", December 16, 2011, 5:24 min
• "What you should know about the Lake Oswego - Tigard Water Partnership", June 2012, 2:53 min
• "Upgrading Lake Oswego's Water System: Why Now?", July 2012, 4:05 min
• "Gladstone Update 2012", July 2012, 1:56 min
• "October Video Update: Open House for Water Treatment Plant / Pipeline", October 2012, 1:31 min

Maps

• Tigard Water Service Area   (pdf 322 kb)
• Lake Oswego Water Service Area  (pdf 497 kb)
• Existing Infrastructure Map, February 2010. (pdf 957 kb)