Fish Passage Site 20601535
Coordinates (dec. deg.): 61.06654°, -151.32612°
Legal Description: S011N012W01
Region: South Central
Road Name: Tyonek Timber Road
Quad Name / ITM: Tyonek A-4
AWC Stream #:
Stream Name: Unnamed
Site Comments: None
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Project Supervisor: Gillian O'Doherty, ADFG
Observers: Mark Eisenman, Gillian O'Doherty, Robert Pype
Overall Fish Passage Rating:
Step Pools: No
- Other, including vibrations, cavitation, etc.
Comments: A grate has been added to the inlet since the original survey in 2002 and the outlet perch as been removed due to beaver damming downstream. The upstream grate was clogged with horsetail.
|ID: 1||Structure Type: Circular pipe (Non-corrugated metal)||Fish Passage Rating:|
Comments: Beaver grate at inlet. Outlet is submerged. Ponded upstream and downstream from culvert. Water surface elevations equal upstream and downstream. Site is backwatered, but inlet grate causes a barrier. Overnight trapping caught no fish.
No stream width data available.
|D/S Water Surface Elev||0.00||99.18|
|Outlet Culvert Top||0.00||99.16|
|Inlet Culvert Top||31.50||99.78|
|U/S Water Surface Elev||32.00||99.18|
|Inlet Culvert Invert (On substrate in front of beaver grate)||32.00||97.91|
- River distance is measured continuously throughout the survey reach along the thalweg of the stream.
- Measured from each end of the crossing along the thalweg of the stream.
Fish Sampling Efforts
|Gear Type: Minnow Trap (A)||Trap Duration(h): 24.0|
|Comments: Trap set about 35 feet downstream. No fish caught|
No fish observations occurred during this survey.
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