Technical Support Services
Fish Passage Engineering Team’s role is to provide technical assistance in aquatic organism passage technologies to the Northeast Regional Office, Field Offices, other USFWS Regions, the Washington Office fish passage program staff, other Federal Agencies, and our State partners. The Team’s services and capabilities include:
Ice fishing at Lake Wyola. Credit: USFWS
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Hydropower Licensing/Relicensing
- Consultation on the planning, design, construction and operation of fish passage facilities at FERC and non-jurisdictional hydro project sites
Engineering Design
- Review, evaluation, and/or conceptual design of fish passage facilities (e.g., Denil, Steeppass, Pool & Weir, Ice Harbor, Vertical Slot, Nature-like fishways) at large, medium, and small hydro projects and non-hydro dams, culverts, natural barriers and other impediments to fish passage
Site Evaluations
- Field surveys, engineering assessments and inspections of barriers or existing engineered and nature-like fishways, and fishways proposed by Federal and State partners
Hydrologic and Hydraulics Analyses
- Site evaluation of the hydraulic/hydrologic/structural requirements for fish passage
- Hydrologic evaluation of stream flow, rainfall, runoff, snowmelt, evapotranspiration, and flood frequencies/low flow events
- Hydraulic analyses including erosion, sediment transport, stability of rip-rap and in-stream boulders, spillway capacities, weir flow, river flows, stream velocities, pipe discharge
- Computational flow modeling to determine water surface profiles, flows, velocities, dam breach results (e.g., HEC-RAS, River2D)
Consultation, Training, and Outreach
- Represent the USFWS at regional, national, international meetings and participate in technology exchanges regarding fish passage facilities
- Advise and consult with various federal and state technical committees engaged in the restoration of anadromous fish
- Organize and/or participate as instructors for regional, national, international fish passage training courses and university courses
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