Definitions for "FLOOD STAGE"
The stage at which overflow of the natural banks of a stream begins to cause damage in the reach in which the elevation is measured.The stage at which overflow of the natural banks of a stream begins to cause damage in the reach in which the elevation is measured.
The elevation at which overflow of the natural banks of a waterway begins to cause damage or presents a flood-damage hazard near the gage where the elevation is measured (can also be expressed in terms of flood flow).
the height of the river at which property damage begins to occur. Often differs from bankfull. The river may overflow its banks into flood plain without reaching flood stage.