Fish Passage Site 20503426
Coordinates (dec. deg.): 61.72961°, -150.02692°
Legal Description: S019N004W17
Region: South Central
Road Name: Alaska Railroad
Datum: NAD83
Quad Name / ITM: Tyonek C-1
AWC Stream #:
Stream Name: Jack Lake Inlet
Elevation:
Site Comments: MP 184.51
Survey UPDATE-AKR04
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:
- Culvert gradient red
Comments: None
Culvert Measurements
ID: 1 | Structure Type: Circular pipe (Corrugated steel) | Fish Passage Rating: | |||||||||||||||||||||||||||||||||||||||||
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Comments: Culvert is completely rusted. Rustline taken at what loos like most prominent line. Looks like old beaver influence upstream. Small hydrolic jump at inlet. Culvert likely undersized. Culvert has a small piece of offset pipe about 1 foot in length creating a small miter. |
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Culvert Observations:
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Stream Measurements
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No stream width data available.
Elevations
Locator ID | Culvert Number |
River Distance (ft)1 |
Distance From Crossing (ft)2 |
Relative Elevation (ft) |
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Outlet Invert (on pipe) | 0.00 | 91.72 | ||
Outlet Culvert Top | 1.00 | 95.73 | ||
Inlet Culvert Top | 45.70 | 96.31 | ||
Inlet Culvert Invert (on pipe) | 46.70 | 92.25 |
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