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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:: g it . See also Comment No . 44 . 87. We doubt that diverting water from the Willamette River is a

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:: ,Trask River water transfer 19 Willamette River water transfer :. . . :.• . : a 19 Effect on

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:: the Willamette River near West Linn. It begins with waterfalls and ends with white-water rapids, but

Evaluation of alternative pollution control strategies for the Tualatin River Basin, Oregon

Creator:: Oregon State University. Water Resources Research Institute and Oregon. Dept. of Environmental Quality
Abstract:: This report summarizes the conclusions reached in "A Project to Collect Scientific Data and Provide Evaluation and Recommendations for Alternative Pollution Control Strategies for the Tualatin River Basin." This study was funded by the Oregon Department of Environmental Quality as a grant to the Oregon Water Resources Research Institute on...
Resource Type:: Technical Report
Full Text:: Tualatin River Basin, Orego n August 1995 A Publication of the : ♦ Oregon i'l‘ Water Resources

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

Land use and nonpoint source phosphorus pollution in the Tualatin Basin, Oregon : a literature review

Creator:: Oregon State University. Extension Service, Oregon State University. Water Resources Research Institute, and Wolf, Donald W.
Abstract:: The Tualatin River Basin in Washington County, Oregon, is a complex area with highly developed agricultural, forestry, industrial, commercial, and residential activities. Population has grown in the past thirty years from fifty to over 270 thousand. Accompanying this population growth have been the associated increases in transportation, construction, and recreational...
Resource Type:: Technical Report
Full Text:: Oregon Water Resources Research Institute TUALATIN RIVER BASIN SPECIAL REPORTS The Tualatin River

Modeling the Tualatin River system including Scoggins Creek and Hagg Lake: model description, geometry, and forcing data

Creator:: Wells, Scott A., Berger, Christopher, Knutson, Mike, and Oregon State University. Water Resources Research Institute
Abstract:: The goal of this phase of the study was to develop a model of the Tualatin River incorporating Scoggins Creek and Hagg Lake. This tool will be used in conjunction with a hydrologic model, the EPA HSPF model (Johnson, Imhoff, and Kittle, 1984), to analyze management strategies to improve water...
Resource Type:: Technical Report
Full Text:: River water surface elevations above Oregon City Falls during 1990 32 Figure 32. Willamette River water

Farm effects on runoff quality in Oregon's Tualatin River Basin. Part 1 : Farm survey, Washington County, Oregon

Creator:: Moberg, Dean P., Rambo, Neil L., and Washington County Soil and Water Conservation District (Or.)
Abstract:: Survey In 1995, the Washington County Soil & Water Conservation District interviewed 90 farmers in northwest Oregon's Tualatin River Basin, using a survey developed by the USDA - Natural Resources Conservation Service (NRCS) and Oregon State University (OSU) Extension Service. Crop rotations, yields, tillage, fertilizer and irrigation practices were recorded....
Resource Type:: Technical Report
Full Text:: Project Objectives In 1987, the State of Oregon listed the Tualatin River as water quality limited for

Mass balance analysis of suspended solids in the Tualatin River

Creator:: Vedanayagam, Samuel, Nelson, Peter O., and Oregon State University. Water Resources Research Institute
Abstract:: The purpose of this study was to develop a mass-balance model for total suspended solids in the Tualatin River in order to better understand the clarity-turbidity problem in the river. Major sources and sinks of suspended solids in the river were identified, and seasonal effects were explored. The study also...
Resource Type:: Technical Report
Full Text:: Oregon Coast Range and runs towards th e 3 Willamette River on the east 40 miles away . It passes

An analysis of water quality data in Tualatin River tributaries with three different land uses

Creator:: Miner, J. Ronald, Scott, Eric F., and Oregon State University. Water Resources Research Institute
Abstract:: Water quality and stream flow data for tliree representative land uses in the Tualatin River Basin were evaluated to determine the comparative levels of various pollutants. In addition, the data were used in an effort to identify the extent to which observed concentrations of total and ortho phosphorus could be...
Resource Type:: Technical Report
Full Text:: An Analysis of Water Quality. Data in Tualatin River Tributaries: with

ScholarsArchive@OSU

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

Evaluation of alternative pollution control strategies for the Tualatin River Basin, Oregon

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

Land use and nonpoint source phosphorus pollution in the Tualatin Basin, Oregon : a literature review

Modeling the Tualatin River system including Scoggins Creek and Hagg Lake: model description, geometry, and forcing data

Farm effects on runoff quality in Oregon's Tualatin River Basin. Part 1 : Farm survey, Washington County, Oregon

Mass balance analysis of suspended solids in the Tualatin River

An analysis of water quality data in Tualatin River tributaries with three different land uses

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