All Work Underway

Work underwayWork underway  Road closure Road closure   Partial closure  Night work Night Work

Most pipeline for the project is installed in the public right of way. There is an exception, where the pipeline tunnels under the Willamette River. Read the What to Expect During Construction handout (781 kb, May 2014) for more detailed maps and information about the construction process.

For a project construction schedule map visit the About the Partnership page

Field Updates

Friday - August 29, 2014

Pipeline Construction Update: Lake Oswego

Stormwater pipe is placed in the trench on B Ave.

Construction will move to the next block (between First and Second Streets) next week.

Crews are installing pipe between Bullock and Lund Streets

This update includes construction work in the following areas. 

  • Pipeline cleaning, testing and disinfection continues
  • Roadway paving and striping
  • B Ave. storm drain line construction –Week 2
  • Laurel St. pipeline construction completes one block
  • Highway 43 pipeline construction (night work) to start mid-September

For the most up to date information on construction and road closures, please visit work underway, call the hotline on 503-697-6502 or email

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Friday - August 29, 2014

Waluga Reservoir 2 (WR2) Construction Update

Concrete for foundation footing curing

WR2 foundation footings nearly complete

Crews successfully completed the installation of steel foundation footings last week and expect to complete the last foundation footing concrete pour on Tuesday, September 2.

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Thursday - August 28, 2014

Water Treatment Plant Construction Update

The gravity thickener mechanism is now installed in the tank. It will thicken river sediments removed from the water.

Auger cast piles are almost complete for phase A of construction. The auger cast pile drill rig will remain on site until new piles are drilled in the parking lot for the new administration building elevator pit in September. Pile drilling will resume in February 2015.

Solids Storage Tank

Water testing of the solids storage tank is now complete. Coatings are now being applied and the area around the tank will be backfilled starting next week. During backfilling, neighbors close to the northeast of the site may experience some vibration.

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