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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:: 12,000-square-mile basin in northwestern Oregon Primary drainage is by the Willamette River, but for the

Creator:: Selker, John S. and Oregon State University. Extension Service
Abstract:: The region’s high winter rainfall provides aquifers that are often within 50 feet of the land surface. In many parts of the United States and in other countries where groundwater is this close to the surface, pesticide contamination has been observed. Thus, with our high population, significant applications of pesticides,...
Resource Type:: Technical Report
Full Text:: Willamette Valley Groundwater • 1 John Selker John Selker, professor of bioengineering, Oregon State

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

Creator:: Gleeson, George Walter, 1905-
Abstract:: The people of Oregon have become increasingly aware of the constant devaluation of the public waters by unrestricted stream pollution. All of the many uses of natural water have been affected to some degree by the utilization of these same waters as carriers of domestic and industrial wastes. The streams...
Resource Type:: Technical Report
Full Text:: 1. General. The abatement of pollution of the Willamette River has been a matter of concern to many

Creator:: Oregon State College. Engineering Experiment Station, Merryfield, Fred, 1900-, and Wilmot, Wilbur G.
Resource Type:: Technical Report
Full Text:: Content and Pollution of Willamette River. August 1929 and August-September 1944

Creator:: Gleeson, George Walter, 1905-
Resource Type:: Technical Report
Full Text:: water quality in the Willamette River . These investiga- tions documented the pollution of the river and

Creator:: Oregon State College. Engineering Experiment Station, Dimick, Roland Eugene, 1900-, and Merryfield, Fred, 1900-
Resource Type:: Technical Report
Full Text:: , Corvallis, Oregon The Fishes of the Willamette River System in Relation to Pollution By R. E. DIMIcK

Creator:: Loveland, Walter D.
Resource Type:: Technical Report
Full Text:: water system, the Willamette River of western Oregon, and to tes t the conservative nature of the

Creator:: Hagedorn, Charles
Resource Type:: Technical Report
Full Text:: on Agriculturol Soils in Western Oregon. by Chorles Hogedorn Woter Resources Reseorch I nstitute

Creator:: Oregon State College. Engineering Experiment Station, Merryfield, Fred, 1900-, Kachelhoffer, Fred George, 1893-, and Bollen, Walter Beno, 1896-
Resource Type:: Technical Report
Full Text:: of the Willamette River. 5. Present work. This bulletin is a report on the continuation of part of

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