Below are samples of some of our research projects. For a more complete list, click here.

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Project
Information
Status
1
Columbia Slough

The Columbia Slough is a 19-mile long water system of lakes, channels, and wetlands and provides drainage to approximately 40,000 acres of land.

 Completed
2
Green River

The Green River flows from its headwaters in the Cascade Mountain foothills through the King County, Washington communities of Auburn, Kent, and Tukwila before discharging into the Duwamish River. The Duwamish River flows through industrialized sections of Seattle before discharging into Elliot Bay.

Completed
3
Laurance Lake

A high altitude lake at the base of Mt. Hood.

Completed
4
Lower Willamette River

From Canby Ferry (RM 35) to the Columbia River and the Lower Columbia River from Bonneville Dam (RM 144) to RM 54.

Completed
5
Willamette River

The Willamette river basin model was originally divided into several reaches. Individual models were developed for each reach.

Completed
6
Spokane River

The model has been applied from the Idaho-Washington State border to the outlet into Long Lake.

Completed
7
Fairview/Interlachen Community

The Friends of Blue and Fairview Lake through the Environmental Protection Agency Technical Assistance Grant program have contracted with PSU to provide an independent review of the groundwater contamination problem at the Boeing-Cascade site in East Multnomah County, OR.

Completed
8
Lake Roosevelt

Located in northeastern Washington State, Lake Roosevelt was formed through the impoundment of the Columbia River behind Grand Coulee Dam (RM 597). Lake Roosevelt has a total storage of 9.5 million acre-feet and is roughly 140 miles long. Full pool does not extend entirely to the Canadian border (RM 745). The lake has some 600 miles of shoreline and a surface area of 82,000 acres..

Completed
9
Waldo Lake

Waldo Lake is located approximately 93 km southeast of Eugene, OR. near McCredie Springs and Oakridge, OR. The lake lies in the central Oregon Cascade Mountains.

 In Progress
10
Lake Whatcom

Lake Whatcom is a large natural lake located in Washington, next to the city of Bellingham. Lake Whatcom is approximately 10 miles long and has a surface area of approximately 5000 acres and a maximum depth of over 100 meters.

 Completed
11 The Pend Oreille River, which is approximately 130 miles in length, is a tributary of the Columbia River. This section of the Pend Oreille is located in Northeastern Washington. In Progress
12 The Pend Oreille River, which is approximately 130 miles in length, is a tributary of the Columbia River. This particular section of the Pend Oreille is located in the Northern part of Idaho. In Progress
13

The Tolt Reservoir is located in the western foothills of the Cascades in north central King County, WA. The South Fork supplies around 30% of the drinking water for the 1.3 million people in the Seattle area.

 In Progress