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Filtering by: Subject Land use -- Amazon River Watershed Subject Nonpoint source pollution -- Oregon -- Tualatin River Watershed

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
Land use and nonpoint source phosphorus pollution in the Dairy-McKay hydrologic unit area of the Tualatin River Basin, Oregon

Creator:

Wolf, Donald W.

Abstract:

Human activities may contribute to the eutrophication of surface waters by providing nutrients to aquatic ecosystems. Phosphorus is frequently identified as a nutrient that is limiting to most aquatic ecosystems under natural conditions. Sources of phosphorus contributing to eutrophic conditions often include nonpoint sources that are dispersed across the landscape....

Resource Type:

Masters Thesis
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:

of WATER QUALITY DATA in . TUALATIN RIVER TRIBUTARIES WITH THREE DIFFERENT LAND USES ' by J. Ronald

ScholarsArchive@OSU

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

Land use and nonpoint source phosphorus pollution in the Dairy-McKay hydrologic unit area of the Tualatin River Basin, Oregon

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

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