Cooper Creek Reservoir

Cooper Creek Reservoir is a body of water behind an earthen dam across Cooper Creek in the Umpqua River basin of the U.S. state of Oregon. The reservoir is in Douglas County, about 2 miles (3 km) east of Sutherlin and about 11 miles (18 km) north of Roseburg.[1] The impoundment provides part of Sutherlin's drinking water.[4]

Cooper Creek Reservoir
Cooper Creek Reservoir in Douglas County, Oregon
Cooper Creek Reservoir boat launch and dock
Cooper Creek Reservoir is located in Douglas County Oregon
Cooper Creek Reservoir is located in Douglas County Oregon
Cooper Creek Reservoir
Location of Cooper Creek Reservoir in Oregon, USA.
Cooper Creek Reservoir is located in Douglas County Oregon
Cooper Creek Reservoir is located in Douglas County Oregon
Cooper Creek Reservoir
Cooper Creek Reservoir (the United States)
LocationDouglas County, Oregon
Coordinates43°22′48″N 123°16′54″W
TypeReservoir, eutrophic
Primary inflowsCooper Creek
Primary outflowsCooper Creek
Catchment area4.5 square miles (12 km2)
Basin countriesUnited States
Surface area166 acres (67 ha)
Average depth23 feet (7.0 m)
Max. depth70 feet (21 m)
Water volume3,800 acre-feet (4,700,000 m3)
Residence time9 months
Shore length15.1 miles (8.2 km)
Surface elevation673 feet (205 m)
SettlementsSutherlin
References[1][2][3]
1 Shore length is not a well-defined measure.

The reservoir supports populations of largemouth bass, panfish, and stocked rainbow trout.[5] The panfish and bass grow to large sizes, but mercury pollution from old mine tailings upstream makes eating them risky.[5] On February 12, 2001 Oregon Health Department issued a mercury-related health advisory for fish caught in the reservoir.[6][7] However, municipal water from the reservoir was deemed safe to drink, and the mercury posed no threat to recreational activities in the lake. Mercury levels in the fish were not expected to diminish in the foreseeable future.[8]

Recreation

Cooper Creek Reservoir Park, managed by Douglas County, has two boat launches, a swimming area, and a dock.[9] It offers opportunities for fishing, waterskiing, and jet skiing. Amenities include a pavilion, a picnic area, and toilets.[9] The park is for day use only, and no camping is allowed.[5] A hiking trail circles the reservoir.[5]

See also

References
  1. Johnson, Daniel M., ed. (1985). Atlas of Oregon Lakes. Petersen, Richard R. - Lycan, D. Richard - Sweet, James W. - Neuhaus, Mark E. - Schaedel, Andrew L. Corvallis: Oregon State University Press. p. 174. ISBN 0-87071-343-4.
  2. "Atlas of Oregon Lakes: Cooper Creek Reservoir (Douglas County)". Portland State University. 1985–2012. Retrieved January 3, 2013.
  3. "Cooper Creek Reservoir". Geographic Names Information System. United States Geological Survey. May 22, 1986. Retrieved January 5, 2013.
  4. "Source Water Assessment Summary Brochure, City of Sutherlin" (PDF). Oregon Department of Environmental Quality. 2003. Retrieved January 5, 2013.
  5. Sheehan, Madelynne Diness (2005). Fishing in Oregon: The Complete Oregon Fishing Guide (10th ed.). Scappoose, Oregon: Flying Pencil Publications. p. 64. ISBN 0-916473-15-5.
  6. "Oregon's 2002 303(d) List". OR DEQ. Retrieved 2021-02-28.
  7. Lisa Winn Consulting (2008). "Douglas County Water Resources Program 2008" (PDF). Oregon: Natural Resources Division, Public Works Department of Douglas County. Retrieved 2021-02-24.
  8. "Fish Advisories and Consumption Guidelines". oregon.gov. Oregon Health Authority. Retrieved 2021-02-24 – via Environmental Public Health.
  9. "Cooper Creek County Park". Douglas County, Oregon. Retrieved 2021-02-24.
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