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Detailed Studies in Hoosic and Mettawee Watersheds

On 4/28/2023 the USGS published Discovery Brochures listing the detailed studies that they will prepare for the Hoosic and Mettawee Watersheds as part of the FEMA Region 1 Flood Insurance Rate Map updates underway.

The studies require detailed field surveys of structures crossing the rivers and of the river bed in selected areas.
The reaches are described below.

Hoosic Watershed:
• Ladd Brook, Pownal 
• Potter Hollow Brook, Pownal
• North Branch Hoosic River, Stamford
• Walloomsac River, Bennington and North Bennington

Mettawee Watershed:
• Castleton River, Fairhaven and Castleton
• Mettawee River in Pawlet
• Wells Branch in Pawlet and Wells

For more information on the FEMA Map Update Process in Vermont please visit:


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