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

Thursday - September 18, 2014

How is the new water pipeline being built under the Willamette River?

A drill rig loading drill pipe for the pilot hole, at the construction site just north of Mary S. Young Park, West Linn

Over 10 miles of large diameter water pipeline is currently under construction in Gladstone, West Linn, Lake Oswego and Tigard as part of the Lake Oswego-Tigard Water Partnership project. Construction methods for the pipeline vary between traditional cut-and-cover trenching and trenchless methods including horizontal directional drilling, micro tunneling and pipe ramming. While much of the pipeline is being installed in streets using typical cut-and-cover trenching, a special technique is used to get across the Willamette River.

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Friday - September 12, 2014

Have you seen our updates on Facebook?

How better to keep up to date on the project in your neighborhood than having the information instantly available through your Facebook feed? We are posting updates about the project to the Lake Oswego Tigard Water Partnership Facebook page, so come “like” our community page and stay informed!

Thursday - September 11, 2014

Waluga Reservoir 2 (WR2) Construction Update

Placing the wall form for the first wall pour

WR2 foundation footing pours complete

Crews completed the last foundation footing concrete pour and have now begun construction of the reservoir walls.

Exploratory digging at Parkhill Drive complete

Crews completed exploratory digging to locate underground utilities which ensured against conflicts with existing utilities around Parkhill Drive.

Crushing rock to re-use as fill

In a sustainable effort to reuse natural resources from the WR2 site, crews will be crushing rock later this week and early next week. The crushed rock will then be used as fill material on site. [This was slightly delayed due to an equipment breakdown.]

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Friday - September 5, 2014

Gladstone Pipeline and River Intake Construction Update

Divers removing remaining sand bags as well as some piling from the river.

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
  • Gladstone pipeline work progressing north on Bellevue Avenue
  • Horizontal directional drilling under the Willamette River in Meldrum Bar Park

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

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Thursday - August 28, 2014

Bonita Pump Station Construction Update

Rexius Sustainable Solutions applying organic compost at the site.

Invasive species have been removed from the vegetated corridor around the protected wetland. Last week, organic compost was spread throughout the corridor in preparation for the seeding of native grasses. This week, the corridor was seeded with a native erosion control grass mix that is quick to establish, low-growing and has good root masses for reduced erosion of soil. The native grass mix includes ‘Meadow Barley’ and ‘Native Red Fescue’ (among other native grasses) and has excellent versatility and tolerance for various weather. The native grasses may start to emerge by early next week.

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