What is this Project?

This project increases system capacity to deliver high-quality drinking water from the Clackamas River to the communities of Lake Oswego and Tigard. Together these two communities can secure long-term access to clean, safe water for less than it would cost them to do it alone. Learn more...

Project News

Friday - July 18, 2014

Pipeline Construction Update: Lake Oswego

Trench backfill along Iron Mtn. Blvd.

This update includes construction work in the following areas. Scroll down for specific information on each location:

  • Final paving is coming!
  • Douglas Way/Lake Grove Elementary School
  • Boones Ferry Road crossing – night work
  • Iron Mountain Blvd. progress
  • B Ave. storm drain line and water pipeline
  • Laurel/Erickson/Hwy 43 between Laurel and south city limits

For the most up to date information on construction and road closures, please visit work underway or contact us.

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Friday - July 18, 2014

Water Treatment Plant Construction Update

The thickener equipment for the gravity thickener tank arrived from Salt Lake City this week

This week, crews encased the 48” overflow piping near the chemical building in concrete and began backfilling the trench. The thickener mechanism arrived at the site and will be installed in the gravity thickener tank in the next few weeks. Rebar and in-slab conduit continues to be installed for the chemical and electrical buildings. Walls will soon be complete for the mechanical dewatering building. Crews continue to work on the ballasted flocculation walls and suspended slabs.

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Friday - July 18, 2014

Waluga Reservoir 2 (WR2)/Carman Drive Construction Update

Storm drain line installation in access driveway off Carman Drive

This update includes construction work in the following areas. Read more for specific information on each location:

  • Reservoir site work: foundation, water line work
  • Carman Dr. road work/traffic control
  • Douglas Way pipeline work
  • Upcoming East Waluga parking lot paving

For the most up to date information on construction and traffic impacts, please visit work underway, call the hotline on 503-697-6502 or contact us.

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Thursday - July 10, 2014

Gladstone Pipeline and River Intake Construction Update

Steel sheets that formed the in-water cofferdam have been removed from around  the RIPS structure and are being loaded onto trucks for removal from the work site.

Steel sheets that formed the in-water cofferdam have been removed from around the RIPS structure and are being loaded onto trucks for removal from the work site.

This update includes construction work in the following areas. Scroll down for specific information on each location:

  • River intake pump station (RIPS) on the Clackamas River
  • Pipelines east of McLoughlin Blvd. (W. Clackamas Blvd., Bellevue Ave. and
    W. Exeter St.)
  • Pipelines in Meldrum Bar Park
  • Horizontal directional drilling under the river in Meldrum Bar Park 

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Thursday - July 10, 2014

West Linn Pipeline Construction Update: Horizontal Directional Drilling site (end of Mapleton Dr.)

A drill rig cleans and augurs out material inside the newly installed casing

A drill rig cleans and augurs out material inside the newly installed casing

Pipe casing installation progressing well

The pipe casing work started last week and is progressing well at the HDD site, just north of Mary S. Young Park. The 60-inch steel casing has been installed to about 160 feet, and is almost complete. Thank you to neighbors for your patience during this noisy activity. Crews are now determining if they have reached stable, solid ground (bedrock) before drilling the pilot hole under the river. Additional casing lengths may need to be installed using the pressurized hammer, depending on ground conditions.

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