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Coastal Hazards in Connecticut

Historically, coastal hazards have always been an issue for Connecticut due in part to high levels of population and development along the coast. Looking forward, changes in sea level and storm patterns may increase the frequency and severity of existing hazard events, or create new ones.   

To help understand these threats, the following pages compile and present useful information such as:
  • Coastal Hazard Primers – Learn about storms, flooding, erosion, and the effects climate change may have on these.
  • Coastal Hazards Management – Find out what you can do to help manage risk for your community or on your property.
  • Coastal Hazards Mapping – Use an interactive mapping tool to get a glimpse of what coastal hazards (e.g., changes in sea level, storm surge, erosion, etc.) may affect your community.
  • Coastal Hazards Resources – See a categorized list of useful websites, documents, tools and sources of data.
  • Tropical Storm Irene updates
  • Additional post-storm recovery information for municipalities and property owners
  • Sea Level Change Scenarios - Use as a guide in preparing or updating preparedness plans, evacuation or hazard mitigation plans, and plans of conservation and development 


The content provided is the result of the Coastal Hazards Analysis and Management Project (CHAMP), a two-year partnership between the CT Department of Energy & Environmental Protection, the University of Connecticut Marine Sciences Program, and the NOAA Coastal Services Center Coastal Management Fellowship Program. Particular thanks go to Joel Johnson, the NOAA Coastal Management Fellow whose knowledge, hard work, and diligence made this site possible.

For more information please contact:

Kevin O’Brien
CT Dept of Energy & Environmental Protection
Land and Water Resources Division
79 Elm St., Hartford, CT 06106

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Content Last Updated January 17, 2019