Index Catalog // ScholarsArchive@OSU

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

Major-ion, nutrient, and trace-element concentrations in the Steamboat Creek Basin, Oregon, 1996

Creator:: Rinella, Frank A., Geological Survey (U.S.), United States. Forest Service, and Douglas County (Or.)
Abstract:: This report presents the concentrations of major ions, nutrients, and trace elements in water and bottom sediments collected in the four-tributaries during the low-flow condition of September 9-13, 1996. Stream-water chemistry results are contrasted, and trace-element concentrations compared with U.S. Environmental Protection Agency chronic aquatic life toxicity criteria. Bottom -sediment...
Resource Type:: Technical Report

Arsenic in ground water of the Willamette Basin, Oregon

Creator:: Hinkle, Stephen R., Polette, Danial J., and Oregon. Water Resources Dept., Geological Survey (U.S.)
Abstract:: Arsenic concentrations exceeding the U.S. Environmental Protection Agency (USEPA) current Maximum Contaminant Level (MCL) of 50 micrograms per liter are widespread in ground water in the Willamette Basin. The Oregon Water Resources Department and the U.S. Geological Survey began a cooperative study in the Willamette Basin in 1996. One goal...
Resource Type:: Technical Report
Full Text:: in Ground Water of the Willamette Basin, Oregon Water-Resources Investigations Report 98–4205

Summary of information on aquatic biota and their habitats in the Willamette Basin, Oregon, through 1995

Creator:: Altman, Bob, Henson, Colleen M., Waite, Ian R., United States. Fish and Wildlife Service, National Water-Quality Assessment Program (U.S.), and Geological Survey (U.S.)
Abstract:: This report reviews and summarizes available information on aquatic biological communities in the Willamette Basin through 1995. Specifically, the report describes (1) the distribution, abndance, and trends of three taxonomic groups--algae, macroinvertebrates, and fish--and, to a lesser degree, other selected semi-aquatic taxa (i.e., taxa frequenting but not living wholly in...
Resource Type:: Technical Report

Quality of shallow ground water in alluvial aquifers of the Willamette Basin, Oregon, 1993-95

Creator:: Hinkle, Stephen R., National Water-Quality Assessment Program (U.S.), and Geological Survey (U.S.)
Abstract:: The purposes of this report are to describe the quality of shallow ground water in alluvial aquifers of the Willamette Basin and to identify relationships between shallow ground-water quality and various natural and anthropogenic factors. Several natural and anthropogenic factors (soil characteristics, cumulative thickness of clay above open interval of...
Resource Type:: Technical Report

Use of a rainfall-runoff model for simulating effects of forest management on streamflow in the east fork Lobster Creek Basin, Oregon

Creator:: Nakama, Lenore Y., Risley, John C., and United States. Bureau of Land Management, Geological Survey
Abstract:: The report describes the results of model calibration and validation, and evaluates the extent to which runoff response to timber harvesting and increased road densities in East Fork Lobster Creek Basin can be simulated, using Precipitation-Runoff Modeling System (PRMS), a deterministic, destributed-parameter-modeling system.
Resource Type:: Technical Report

Water resources of Lincoln County coastal area, Oregon

Creator:: Geological Survey (U.S.). Water Resources Division, Frank, F. J., Oregon. Water Resources Department, and Laenen, Antonius
Resource Type:: Technical Report

Issues surrounding the Biota of the Tualatin River Basin

Creator:: Li, Judith L., Gregory, Stanley V., and Oregon State University. Water Resources Research Institute
Abstract:: Tributaries of the Tualatin River cascade down high gradient slopes for relatively short distances, then flow into the low gradient mainstem which meanders for much of its length. The gentle, east-facing slopes of Oregon's Coast Range provide the geomorphic and climatic template for the watershed's patterns of discharge, water quality,...
Resource Type:: Technical Report
Full Text:: Water Resources Research Institute Tualatin River Basin Water Resources Management Report Number 8

Data analysis: water quality of Dairy Creek and major tributaries

Creator:: Oregon State University. Water Resources Research Institute, Miner, J. Ronald, and Scott, Eric F.
Abstract:: Dairy Creek, located in Washington County, Oregon, has a drainage area of approximately 230 square miles, and includes West Fork, East Fork, and McKay Creek drainages. Dairy Creek is a major tributary of the Tualatin River which experiences algal problems during the late summer when stream flows decrease and water...
Resource Type:: Technical Report
Full Text:: decisions that will be made on resource management. DATA ANALYSIS: WATER QUALITY OF DAIRY CREEK AND

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:: Study Report August 1995 A Publication of the : ♦ Oregon A•'O Water Resource s ‘ip-46r' Research

ScholarsArchive@OSU

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

Major-ion, nutrient, and trace-element concentrations in the Steamboat Creek Basin, Oregon, 1996

Arsenic in ground water of the Willamette Basin, Oregon

Summary of information on aquatic biota and their habitats in the Willamette Basin, Oregon, through 1995

Quality of shallow ground water in alluvial aquifers of the Willamette Basin, Oregon, 1993-95

Use of a rainfall-runoff model for simulating effects of forest management on streamflow in the east fork Lobster Creek Basin, Oregon

Water resources of Lincoln County coastal area, Oregon

Issues surrounding the Biota of the Tualatin River Basin

Data analysis: water quality of Dairy Creek and major tributaries

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

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