554' - Major flood stage.
553.75' - Compares to record flooding in August 2021. Delta Lake State Park main entrance was closed, power was lost to the park and the park was evacuated due to flooding and power outage. Lower playground and hiking trails next to the lake were flooded.
553' - Moderate flood stage. There is flooding downstream between the dam and Rome. At Delta Lake State Park, the beach, hiking trails and bottom half of the playground flood.
552.5' - Two and a half feet of water are spilling over and the river begins to overflow its banks downstream.
552' - Two feet of water are spilling over and there is minor flooding of lowlands below Lake Delta.
551.5' - Minor flood stage. During the navigation season the Erie Canal may close due to high water.
551' - A foot of water is spilling over the Delta Dam spillway.
550.5' - Six inches of water are spilling over the Delta Dam spillway.
550' - Water is level with the spillway. When the lake rises above this level the gates are usually closed.
549' - Action stage.