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Global Change Impacts & Adaptation

Climate Change Vulnerability Assessments: Four Case Studies of Water Utility Practices

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Report Information

This page describes a current EPA ORD project. No project report or other download is available at this time. Please see the section Next Steps below for a timeline of anticipated products of this work.


This report presents a series of case studies describing the approaches currently being taken by four water utilities in the United States to assess their vulnerability to climate change. The report is not intended to be a comprehensive listing of assessment approaches or utilities conducting vulnerability assessments. Rather, its purpose is to illustrate a range of issues and current approaches taken by selected utilities that are leaders in climate adaptation to understand and respond to climate risk. The approaches taken by the different utilities to assess their vulnerability to climate change range from sophisticated environmental modeling and scenario analysis to qualitative methods based on reviews of available literature. The case studies illustrate different approaches that reflect specific local needs and conditions, existing vulnerabilities, local partnerships, and available information about climate change. Information from these case studies will be of use to water utilities and other members of the water resources community to inform the development of strategies for understanding and responding to climate change.

  • Contract awarded for developing a draft report: July, 2009
Next Steps:
  • First external review draft report release: August 2010
  • External peer review date: TBD
  • Final report release date: TBD

Thomas Johnson
  • by phone at:   703-347-8618
  • by fax at:   703-347-8694
  • by email at:  johnson.thomas@epa.gov

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