Operations of the Bonifer and Minthorn Springs Juvenile Release and Adult Collection Facilities, 1984-1986 Annual Report.

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Description

The Bonifer Springs salmon and steelhead juvenile release and adult collection facility is located in the upper Umatilla River drainage at Meacham Creek mile 2.0. The facility is one of two that are operated on the Umatilla Indian Reservation under contract with Bonneville Power Administration. Construction of the Bonifer facility was completed in the fall of 1983 and operations began in early 1984. The facility consists of a one acre spring-fed pond and a concrete fishway and adult fish holding area at the pond outlet. The facility is used for holding and spawning of adult summer steelhead and for acclimation/release ... continued below

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24 pages

Creation Information

James, Gary A. May 1, 1987.

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Description

The Bonifer Springs salmon and steelhead juvenile release and adult collection facility is located in the upper Umatilla River drainage at Meacham Creek mile 2.0. The facility is one of two that are operated on the Umatilla Indian Reservation under contract with Bonneville Power Administration. Construction of the Bonifer facility was completed in the fall of 1983 and operations began in early 1984. The facility consists of a one acre spring-fed pond and a concrete fishway and adult fish holding area at the pond outlet. The facility is used for holding and spawning of adult summer steelhead and for acclimation/release of juvenile fall and spring chinook salmon and summer steelhead. The acclimation capacity is approximately 20,000 lbs. of fish. Minthorn Springs Creek is located about four miles east of Mission, Oregon, on the Umatilla Indian Reservation. It forms from several springs located immediately south of the Umatilla River. The total length of Minthorn Springs Creek is about one mile and the mouth is located at Umatilla River mile 63.7. The fishway and adult holding area of the Minthorn facility are located in Minthorn Springs Creek immediately upstream from the mouth. The juvenile raceways are located in the same general area about 25 feet from the bank of Minthorn Springs Creek. Like the Bonifer Springs project, the Minthorn facility is used for adult fish holding and for temporary rearing or acclimation of juvenile salmon and steelhead to imprint the fish on the particular water source and reduce stress from trucking prior to their downstream migration. The facility was completed in December of 1985 and first used for juvenile acclimation in the Spring of 1986. An existing pond was not available at the Minthorn site so two concrete raceways (120 x 12 feet) were constructed for juvenile holding/rearing. At a water depth of 3 feet and a single-pass water exchange rate of about 800 gpm through each raceway, the facility has a rearing capacity of about 15,000 to 20,000 pounds of fish. This capacity could be exceeded if fish were held only for a brief acclimation period.

Physical Description

24 pages

Source

  • Other Information: PBD: 1 May 1987

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Identifier

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  • Report No.: DOE/BP-17622-1
  • Grant Number: 1984BP17622
  • DOI: 10.2172/761023 | External Link
  • Office of Scientific & Technical Information Report Number: 761023
  • Archival Resource Key: ark:/67531/metadc717163

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • May 1, 1987

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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Citations, Rights, Re-Use

James, Gary A. Operations of the Bonifer and Minthorn Springs Juvenile Release and Adult Collection Facilities, 1984-1986 Annual Report., report, May 1, 1987; United States. (digital.library.unt.edu/ark:/67531/metadc717163/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.