Welcome to the official site for FEMA's Great Lakes Coastal Flood Study, the comprehensive storm and wind study of the Great Lakes basin for the purpose of updating the coastal flood hazard information and Flood Insurance Rate Maps (FIRM) for Great Lakes coastal communities. Below you’ll find a list of the most recent meetings with their agendas, links to preliminary maps, and presentations. To the left you’ll find additional Great Lakes Coastal Flood Study content.

FEMA created this new, self-guided tutorial on coastal flood mapping that provides important information to coastal communities and their residents. FEMA’s “Coastal Hazards and Coastal Mapping: A Visual Guide” is a glossary of coastal mapping terms and a companion to the tutorial.

View all posts by lake: Lake Superior | Lake Michigan | Lake Huron | Lake St. Clair | Lake Erie | Lake Ontario

View all posts by state: Minnesota | Wisconsin | Illinois | Indiana | Michigan | Ohio | Pensylvania | New York

Please also visit FEMA's Preliminary Flood Hazard Data page and FEMA's Pending and Preliminary Flood Hazard Layer mapping application.

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Great Lakes Water Levels Special Report in Milwaukee Journal Sentinel

The Milwaukee Journal Sentinel recently published a very informative and interesting series on Water Levels in the Great Lakes called Uncharted Waters.

Part 1
Does Lake Michigan’s record low mark beginning of new era for Great Lakes?
At least 150 years of rhythmic pulses in Lake Michigan’s water levels appear to have shifted abruptly with loss of winter ice.

Part 2
Water flushes through a greatly widened drain below Lakes Michigan, Huron
Every time dredging widened and deepened the hole at the bottom of the lakes, the federal government was supposed to engineer a fix to maintain water levels – but it never did.

 

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Great Lakes Coastal Flood Study Article on Great Lakes Echo

Check out this introductory story on the Federal Inter-agency Great Lakes Coastal Flood Study, Federal officials study Great Lakes basin to help prevent future floods posted last week on the Great Lakes Echo.

The Great Lakes Echo is a news service of MSU (East Lansing) covering regional Great Lakes issues.

Posted in Media.