TABLE 6.1 Comparative Information on Seven Case Studies

Case Study

Theme

Comments

Treasure Valley, oregon

Linkage between surface water usage for agriculture and the value of ground water services whose quantity and quality may be influenced by agricultural practices.

Illustrates importance of ground water valuation in designing allocative and management policies for the conjunctive use of surface and ground water.

Laurel Ridge, Pennsylvania

Use conflicts that may arise among local governmental agencies coordinating various combined uses of surface and ground water.

Illustrates need for systems approach in defining hydrogeology, surface and ground water resources, and competing uses within a multi-institutional framework in a local geographical area.

Albuquerque, New Mexico

Development of long-term water use strategy for a city that relies on ground water for its water supply; also includes buffer value of ground water.

Includes information on both use and nonuse value of ground water and how this can be incorporated in long-term water supply planning in an area where ground water mining occurs.

Arvin-Edison, California

Buffer value of ground water in an area subject to periodic droughts.

Demonstrates buffer benefits of a ground water resource in an agricultural area.

Orange County, California

Use of ground water recharge in a coastal area to avert sea water intrusion in a viable ground water basin.

Addresses the value of ground water in storage as a deterrent to sea water intrusion.

Woburn, Massachusetts

Incorporation of the value of ground water in deciding on remediation for a Superfund site.

Illustrates numerous uncertainties associated with local hydrogeological conditions, pollutant transport, the effectiveness of remediation strategies, and direct and perceived health consequences of drinking contaminated ground water.

Tucson, Arizona

Planning for application of valuation framework to decisions for meeting water demand; options addressed are ground water recharge and/or surface water treatment.

Illustrates the variety of considerations associated with a ground water valuation study, including the need to incorporate engineering estimates along with valuation methods; also focuses attention on the importance of substitute water supplies.



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