Gauge Information

Name	Range	Difficulty	Updated	Level
HURON RIVER AT ANN ARBOR, MI
usgs-04174500	100 - 300 cfs	I-II	01h16m	889 cfs (too high)
	Likely very high and pushy and washing out features (depending upon how much water is apportioned to the course versus the main channel).
Gauge (729 sq.mi. drainage) just downstream of this location accurately reflects water available. Expect regulation of flows in the course vs.main channel.
Range Water Level Difficulty Comment 0 - 50 cfs extremely Low-somewhat Low I(II) Too low for meaningful whitewater features. 50 - 100 cfs somewhat Low-barely Low I(II) Low, but allows passage and creates tame swift-water features. 100 - 300 cfs barely runnable-high runnable I-II Flows in this range allow for optimum canoe passage and tame swift-water fun. 300 -2000 cfs somewhat High-somewhat High I-II Likely very high and pushy and washing out features (depending upon how much water is apportioned to the course versus the main channel). 2000 -6000 cfs somewhat High-extremely High II(III) Likely too high for whitewater features (depending upon course design and capacity/provision for apportioning flows between main channel and course.)