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Welcome to Cass County, North Dakota
Flood Risk Reduction

This application provides information on Red & Sheyenne river flood stage levels that may affect properties and structures in Cass County, ND. The application can be accessed using this URL:

Flood Stage Application


This application is intended to provide information for residents of Cass County outside of City limits; please contact the individual Cities for further information on flood risk.

The 1/2 foot river flood stages were derived from LiDAR data acquired in May 2014.

•Areas of river flooding are shown in blue

•Areas protected by levees are shown in gold\orange

Some of the features of the site include:

•Search by property address

•Viewing of 1/2 river flood stages & Critical Flood Elevation information

•Fast toggling from map view to aerial view

•Contour information

The site is mobile responsive and will adjust to fit your device.