USGS Scientific Investigations Report 2010–5153 - Thermal Effects of Dams in the Willamette River Basin, Oregon

Table 1. Willamette River basin dams included in this study.

[Storage is the reservoir volume at full pool elevation. USACE, U.S. Army Corps of Engineers; PGE, Portland General Electric; ft, feet; na, not available; –, none]

Dam name	Location	Owner	Year completed	Height (ft)	Storage (acre-ft)	Upstream dams
Big Cliff Dam	North Santiam River	USACE	1953	191	6,450	Detroit
Blue River Dam	Blue River	USACE	1969	270	89,500	–
Cottage Grove Dam	Coast Fork Willamette River	USACE	1942	95	32,900	–
Cougar Dam	South Fork McKenzie River	USACE	1963	452	219,000	–
Detroit Dam	North Santiam River	USACE	1953	463	455,100	–
Dexter Dam	Middle Fork Willamette River	USACE	1954	93	na	Lookout Point, Hills Creek
Dorena Dam	Row River	USACE	1949	145	77,600	–
Fall Creek Dam	Fall Creek	USACE	1966	180	125,000	–
Fern Ridge Dam	Long Tom River	USACE	1941	44	116,800	–
Foster Dam	South Santiam River	USACE	1968	126	60,700	Green Peter
Green Peter Dam	Middle Santiam River	USACE	1968	327	428,100	–
Hills Creek Dam	Middle Fork Willamette River	USACE	1961	304	355,500	–
Lookout Point Dam	Middle Fork Willamette River	USACE	1954	276	455,800	Hills Creek
River Mill Dam	Clackamas River	PGE	1911	101	na	several