Malheur Reservoir

Malheur Reservoir is an irrigation lake along Willow Creek in Malheur County in the U.S. state of Oregon. Built by the Orchard Irrigation District in the 1930s, the 1,282-acre (5.19 km2) lake can hold about 49,000 acre feet (60,000,000 m3) of water, which is used to irrigate about 2,300 acres (930 ha) of farmland downstream. Draining a semi-arid rangeland basin of 254 square miles (660 km2), the reservoir receives very high concentrations of nutrients and is naturally eutrophic.[2]

Malheur Reservoir
Malheur Reservoir
Malheur Reservoir
LocationMalheur, Oregon, United States
Coordinates44.3649749°N 117.6984041°W / 44.3649749; -117.6984041[1]
TypeLake
River sourcesWillow Creek
Surface area1,282 acres (519 ha)
Average depth38 ft (12 m)
Surface elevation3,365 ft (1,026 m)

About 80 percent of the 12.3-mile (19.8 km) shoreline is privately owned,[2] but the lake and part of the shore is open to public use.[3] Since the mid-1960s, the reservoir has been stocked with rainbow trout,[2] although fishing conditions have varied with weather cycles, and the reservoir has at times gone dry during drought.[3] During wet cycles, it is capable of producing trout in excess of 20 inches (51 cm) long.[3]

The lake is accessible by dirt road, starting either from an intersection with U.S. Route 26, about 15 miles (24 km) to the southwest, near Ironside, or from a different intersection with Route 26, about 15 miles (24 km) to the southeast near Brogan.[3] The lake has a boat ramp on the north shore, and camping is possible in a few places near the ramp.[3] The Malheur County Parks Department maintains the boat ramp as well as gravel parking and a restroom.[4]

See also
  • List of lakes in Oregon

References
  1. "Malheur Reservoir". Geographic Names Information System. United States Geological Survey. Retrieved Jan 16, 2021.
  2. Johnson, Daniel M.; et al. (1985). Atlas of Oregon Lakes. Corvallis: Oregon State University Press. pp. 136–37. ISBN 0-87071-343-4.
  3. Sheehan, Madelynne Diness (2005). Fishing in Oregon: The Complete Oregon Fishing Guide (10th ed.). Scappoose, Oregon: Flying Pencil Publications. p. 279. ISBN 0-916473-15-5.
  4. "Parks Department". Malheur County, Oregon. Retrieved March 7, 2011.
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