42' - the river reaches major flood stage, flooding area roads and rangeland. A residence at Pierce Canyon Crossing 2 miles downstream on the east bank may be threatened.
35' - the river reaches moderate flood stage. Some secondary roads flood. Otherwise, no significant damage is expected.
30' - the river reaches minor flood stage, and floods low lying areas. Pierce Canyon Crossing 2 miles downstream of the gage is completely inundated.
10' - this is the estimated stage where Pierce Canyon Crossing 2 miles downstream becomes impassable.