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River Levels

at Johnson's Shut-Ins State Park

The following flag system is designed to inform visitors of the water level that is flowing through the shut-ins and access to the area for swimming/wading activities. The water level is monitored by a river gauge. River flow is measured by cubic feet per second, or cfs.

Red Flag (75 cfs and higher)
River Flow At High Hazard Level: Shut-ins access gates are closed.

 

Yellow Flag (26-74 cfs)
River Flow At Medium Hazard Level: Shut-ins access gates are open.

 

Green Flag (25 cfs and lower)
River Flow At Low Hazard: Shut-ins access gates are open.

 

Shut-Ins Conditions Information