Fish Passage Site 20503429
Coordinates (dec. deg.): 61.82552°, -150.06401°
Legal Description: S020N004W18
Region: South Central
Road Name: Alaska Railroad
Datum: NAD83
Quad Name / ITM: Tyonek D-1
AWC Stream #:
Stream Name: Unnamed Tributary to Little Willow Creek
Elevation:
Site Comments: MP 191.4
Survey UPDATE-AKR07
Project Supervisor: Gillian O'Doherty, ADFG
Observers: Mark Eisenman, Gillian O'Doherty
Overall Fish Passage Rating:
Tidal: No
Backwatered: No
Step Pools: No
Construction Year:
Site Observations:
- Beaver Activity
Comments: Beaver dam about 100 feet upstream from inlet, habitat looks marginal with lots of algae and red flocculant in the water.
Culvert Measurements
ID: 1 | Structure Type: Circular pipe (Corrugated steel) | Fish Passage Rating: | |||||||||||||||||||||||||||||||||||||||||
|
|
|
|||||||||||||||||||||||||||||||||||||||||
Comments: Inlet is CSP, outlet Corrugated Aluminum end added, about 10 feet in length. Large beaved dam inside barrel of culvert about 3/4 of the way down the barrel. Outlet damage |
|||||||||||||||||||||||||||||||||||||||||||
Culvert Observations:
|
Stream Measurements
|
|
No stream width data available.
Elevations
Locator ID | Culvert Number |
River Distance (ft)1 |
Distance From Crossing (ft)2 |
Relative Elevation (ft) |
---|---|---|---|---|
Outlet Invert | 0.00 | 90.48 | ||
Outlet Culvert Top | 0.00 | 95.12 | ||
Inlet Culvert Invert | 52.40 | 91.39 | ||
Inlet Culvert Top | 52.40 | 94.89 |
Notes:
- 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
No fish sampling occurred during this survey.
Fish Observations
No fish observations occurred during this survey.
Questions or comments about this report can be directed to dfg.dsf.webmaster@alaska.gov