15.26' - the river approaches moderate flood stage, and is near record levels. Minor flooding of adjacent farmland occurs. No residences or other structures are affected.
15' - the river reaches the top of the levees. Levee failure is likely. Water will inundate farm fields and grazing areas but no residences or other structures are threatened.
14' - water approaches the top of the levees. Prolonged flow could cause damage to the levee system.
12' - water reaches the base of the levees.
9' - the river reaches minor flood stage, and flooding between the levees occurs. No damage to structures is expected.
7' - the flood plain between the levees begins to flood. No damage is expected.