Index Catalog // ScholarsArchive@OSU

Landscape change in the Tualatin Basin following Euro-American settlement

Creator:: Shively, David D. and Oregon State University. Water Resources Research Institute
Abstract:: The Tualatin Basin landscape has undergone extensive change since the initiation of Euro-American settlement, with important consequences for basin hydrology and water quality. Changes that include the isolation of the Tualatin River from its floodplain areas, losses of important wetlands and riparian areas, and urbanization associated with population growth in...
Resource Type:: Technical Report
Full Text:: State University The Tualatin River Basin studies are being done under a grant from the Oregon

The historical Tualatin River Basin

Creator:: Cass, Penny L., Miner, J. Ronald, and Oregon State University. Water Resources Research Institute
Abstract:: Dionysius said that history is philosophy learned from examples. As one of the original four counties of the Territory of Oregon, the Tualatin River Basin is rich in history. While still a prime agricultural region, the Tualatin Valley is one of the state's fastest developing areas. The slow accumulation of...
Resource Type:: Technical Report
Full Text:: the Territory of Oregon, the Tualatin River Basin is rich in history . While still a prime

Late winter 1992 sampling for water quality in three stream segments of the Tualatin River Basin, Oregon

Creator:: Miner, J. Ronald, Nelson, Peter O., Vedanayagam, Samuel, Oregon State University. Water Resources Research Institute, and Oregon State University. Extension Service
Abstract:: The Tualatin River Basin in Washington County, Oregon has been identified by the Oregon Department of Environmental Quality (DEQ) as "Water Quality Limited." Algal blooms have become commonplace in the lower , reaches of. the river during summer months. Phosphorus has been identified as the nutrient upon which to base...
Resource Type:: Technical Report
Full Text:: . - Segments of the Tualatin River Basin, Orego n Oregon State University Extension Servic e Oregon Water

A project to collect scientific data and provide evaluation and recommendations for alternative pollution control stratagies for the Tualatin River Basin

Creator:: Oregon State University. Water Resources Research Institute and Oregon. Dept. of Environmental Quality
Resource Type:: Book
Full Text:: Health of River 13 , The Tualatin Watershed 13 ' Watershed Health 14 Biota 4' s ~ . . 4 .4

Selected elements and organic chemicals in bed sediment and fish tissue of the Tualatin River Basin, Oregon, 1992-96

Creator:: Bonn, Bernadine A., Washington County (Or.). Unified Sewerage Agency., and Geological Survey (U.S.)
Abstract:: The U.S. Geological Survey (USGS) has worked cooperative with the Unified Sewerage Agency of Washington County (USA) since 1990 to assess water quality in the Tualatin River Basin. The objectives of this study were to: assess the occurrence and magnitude of trace element and selected organic contaminants in streams of...
Resource Type:: Technical Report

Estimating the frequency and quantity of surface runoff within the Tualatin River Basin

Creator:: Taylor, George H., Klingeman, Peter C., Miner, J. Ronald, and Oregon State University. Water Resources Research Institute
Abstract:: The Tualatin River Basin along the east side of the Coastal Mountains in Oregon is subject to a complex mixture of land uses. Approximately half the area is devoted to forestry production. The remainder is divided between agriculture and urban uses. In addition to this diversity in land use, there...
Resource Type:: Technical Report
Full Text:: Tualatin River Basin August 1995 A Publication of the: ♦ Oregon •■4n Water Resources ♦►Research♦r

Urban residents and non-point source pollution : an examination of practices, influences, and values in the Tualatin watershed

Creator:: Nielson, Lisa M.
Abstract:: In July of 2001, the Environmental Protection Agency (EPA) activated the Total Maximum Daily Load (TMDLs) provisions of the Clean Water Act. As the first river in Oregon to implement TMDL regulations, people and agencies in the Tualatin basin face many challenges. Non-point source pollution affects water quality in the...
Resource Type:: Masters Thesis
Full Text:: SWCD Soil and Water Conservation District TMDL Total Maximum Daily Load TRWC Tualatin River Watershed

Response to comments received on the March 1993 Tualatin water quality study report

Creator:: Miner, J. Ronald and Oregon State University. Water Resources Research Institute
Abstract:: The pages which follow contain the authors responses to a series of comments that were received in response to "A Project to Collect Scientific Data and Provide Evaluation and Recommendations for Alternative Pollution Control Strategies for the Tualatin River Basin, 11 submitted to the Oregon Department of Environmental Quality (DEQ)...
Resource Type:: Technical Report
Full Text:: Institute TUALATIN RIVER BASIN SPECIAL REPORT S The Tualatin River Basin in Washington County, Oregon

Analysis of pollution control strategies for the Tualatin River

Creator:: Ervin, David E. and Oregon State University. Water Resources Research Institute
Abstract:: In response to Oregon House Bill 3338, the Oregon Department of Environmental Quality requested proposals in 1991 to assemble available information on Tualatin River Basin conditions to provide a scientific basis for improving river water quality. An interdisciplinary team of researchers from Oregon State University and Portland State University was...
Resource Type:: Technical Report
Full Text:: TUALATIN RIVER BASIN SPECIAL REPORT S The Tualatin River Basin in Washington County, Oregon, is a complex

Summary and assessment of toxics data for the Tualatin River

Creator:: Khaodhiar, Sutha, Nelson, Peter O., and Oregon State University. Water Resources Research Institute
Abstract:: The Tualatin River is a major water resource for Washington County. In its course, the river drains forest lands, farmlands, and urban areas receiving toxic materials from non-point source runoff: Wastewater treatment plant effluents from municipalities and industries also contribute toxic materials to the river. Many materials discharged into the...
Resource Type:: Technical Report
Full Text:: TUALATIN RIVER BASIN SPECIAL REPORT S The Tualatin River Basin in Washington County, Oregon, is a complex

ScholarsArchive@OSU

Landscape change in the Tualatin Basin following Euro-American settlement

The historical Tualatin River Basin

Late winter 1992 sampling for water quality in three stream segments of the Tualatin River Basin, Oregon

A project to collect scientific data and provide evaluation and recommendations for alternative pollution control stratagies for the Tualatin River Basin

Selected elements and organic chemicals in bed sediment and fish tissue of the Tualatin River Basin, Oregon, 1992-96

Estimating the frequency and quantity of surface runoff within the Tualatin River Basin

Urban residents and non-point source pollution : an examination of practices, influences, and values in the Tualatin watershed

Response to comments received on the March 1993 Tualatin water quality study report

Analysis of pollution control strategies for the Tualatin River

Summary and assessment of toxics data for the Tualatin River

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