An official website of the State of Oregon
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The Umpqua Basin in Southwestern Oregon comprises about 3.24 million acres, 90% of which is federal, state and private forestland (2.92 million acres). County population was estimated at 103,152 in 2004, and the basin is also home to a number of species of salmonid fishes, including coho salmon, fall and spring chinook salmon, summer and winter steelhead, and seagoing and resident cutthroat trout. The North Umpqua River is a world-renowned fishery, and water-based recreation is important throughout the basin.
TMDL Approved by EPA on April 12, 2007
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