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Ogden River Marriot Ditch Diversion Reconstruction - Phase 1
Region: Northern
ID: 5389
Project Status: Completed
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Project Start Date
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Fiscal Year Completed
2021
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Final Methods
This project was modified due to existing efforts on this reach of the Ogden River. Instead of developing the pipeline, we were able to reconstruct the irrigation diversion and make it fish-passable. We did this by modifying the structure composed of a single drop into three smaller drops of 1 foot each and spaced with constructed riffles. The design spec for the drop structures was to pass Bluehead Sucker, which have historically been found in the lower Ogden River. The invert of the diversion intake was not modified and flow measurements this year indicated that water users were able to take their full allotment of water.
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Project Narrative
As we were developing this project, Weber County and Ogden City were coordinating on an Emergency Watershed Protection project on the Ogden River. This funding allowed us to contribute and modify that project, which would have just included riprap and rebuilt the diversion structure as a larger single drop. This project was significant in that it reconnected the entire Ogden River to the Weber River for the first time in decades. The Marriott Ditch diversion has been a massive drop structure creating backeddy problems as well as blocking fish movement for a long time. This project stabilized this feature and re-established fish passage. This should open the door for all species of fish in the Weber River to regain access to the Ogden River.
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Future Management
There is a lot of work still needed within this section of the Ogden River. Although disputes between the junkyard and Ogden City over landownership exist, we still need to build a pipeline and reduce the water flowing through the junkyard. Project partners will continue to attempt to achieve this goal.
Submitted By
Paul Burnett
Submitted Time
08/30/2021 12:35:35
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