Study Objectives

The study was designed to meet the following objectives:

  1. Provide a quantitative understanding of the regional ground-water flow system of the Willamette Valley sufficient to effectively evaluate the hydrologic effects of land- and water-use policies and climate changes.
  2. Develop the understanding and tools necessary to quantitatively evaluate the timing, location and magnitude of streamflow depletion caused by ground-water pumping.
  3. Characterize the unique hydrology of basalt aquifers within the Willamette Valley, particularly as related to water availability and management of multiple water-bearing zones.
  4. Develop a better understanding of the relations between well-yield and factors such as geology, well construction, and siting in areas underlain by low-yield aquifers.
  5. Develop a better understanding of the origins and distribution of selected types of naturally occurring poor-quality ground water.

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Last modified: Mon Jan 29 13:58:01 1996