17.2' - Flood water begins to hit the bottom of the bridge at the gage site.
17' - Major flooding is in progress with extensive inundation and damage. Many primary roads and bridges are closed. Evacuations from flood prone areas are necessary.
15' - Moderate flooding can be expected. Secondary roads are blocked and the transfer of property to higher ground is necessary.
12' - The river reaches flood stage with minor flooding of low agricultural land and roads nearest the river. Belleville Road and East Flowing Well Road northwest of Warren become impassable and isolated nearby residences.