NGWA's Hydrogeologic Guidelines for Large-Scale Geothermal Heat Pump Installations

Presented on Tuesday, December 3, 2013

NGWA has a strong interest in the growing utilization of geothermal heat pump systems, wanting these systems to work well, while protecting the groundwater resource from contamination. Association volunteers developed simple, yet responsible guidelines for conducting an appropriate hydrogeologic investigation of a site being considered for a large-scale (commercial) geothermal heat pump installation. NGWA considers guidelines to be the "how to" or methods on a broad topic--more detailed than a best suggested practice, in terms of needed skills and competencies. The guidelines' purpose is to provide guidance on how to determine the hydrogeologic properties of a proposed site and how the HVAC system designer can utilize that hydrogeologic information in the design, and how the design can then be more useful in developing the specifications of the project, ultimately resulting in optimal system performance and groundwater protection. This is of special interest to the Geothermal Energy Interest Group.

Presenter:
Kevin B. McCray, CAE
National Ground Water Association, Westerville, OH
Kevin McCray, CAE, is the executive director of the 13,000-member National Ground Water Association. Now in his 28th year with the Association, he has been executive director since 1995, where he also serves as the chief executive of the National Ground Water Research and Educational Foundation. McCray has served on a number of water-related advisory groups including the U.S. Water Resources Export Council, the U.S. EPA/AWWA Comprehensive Integrated Resource Cooperative Blue Ribbon Panel, and the Kellogg Foundation Ground Water Education Consortium. In addition to dozens of articles, he has authored or compiled six books for the groundwater industry.
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