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

Monday - October 20, 2014

Barge carrying pipeline for Lake Oswego-Tigard Water Project arrives in Gladstone

In the news...

A barge carrying thousands of feet of pipeline traveled up the Willamette River on Thursday to make a special delivery in Gladstone.

The steel pipeline, which was welded into 240 foot lengths at Advanced American Construction in North Portland, will soon be pulled through a .75 mile-long underground tunnel beneath the Willamette River.

Open link to external content

Friday - October 17, 2014

Gladstone Pipeline and River Intake Construction Update

The large red crane was taken apart and loaded onto trucks last week. It has been replaced with a smaller crane that will be on site for the remainder of construction.

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

  • River Intake Pump Station (RIPS)
  • Gladstone pipeline work
  • Horizontal directional drilling (HDD) 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.

Read More

Monday - October 13, 2014

Boaters urged to use caution on the Willamette River during pipeline project

In the news...

The Oregon State Marine Board and the city of Lake Oswsego are urging boaters to use extreme caution while boating on the Willamette River between Meldrum Bar and Clackamette Park from Oct. 14 through Nov. 14.

Open link to external content

Friday - October 10, 2014

Water Treatment Plant Construction Update

Crews installing concrete blocks for the walls of the chemical building

Finished water pump station and clearwell – south and center of site

Exterior coating has been applied for the finished water pump station and the area around the structure has been backfilled. This week, crews started filling the clearwell tank for the water test, which continues over the next few weeks.

Read More

Thursday - October 2, 2014

West Linn Pipeline Construction Update

Crews removing drill pipe this week at the HDD site. The hole is now large enough for the pipe to be pulled through later this month!

Construction updates include all current or upcoming pipeline work for the project in West Linn. Read below for specific information on the following:

  • Horizontal directional drilling under the river, near Mary S. Young Park
  • Highway 43 pipeline construction (night work) - starts next month
  • Neighborhood construction update meetings - first and third Tuesdays of the month

Read More