Fish Passage Site 20501512
Coordinates (dec. deg.): 62.38356°, -150.72408°
Legal Description: S027N008W34
Region: South Central
Road Name: Petersville Road
Datum: WGS84
Quad Name / ITM: Talkeetna B-2
AWC Stream #:
Stream Name: Peters Creek tributary
Elevation:
Site Comments: None
Survey PRK09-PVR35
Project Supervisor: Gillian O'Doherty, ADFG
Observers: Heidi Zimmer, Ben Histand
Overall Fish Passage Rating:
Tidal: No
Backwatered: No
Step Pools: No
Construction Year:
Site Observations:
- Culvert gradient red
- Constriction ratio gray
- Outfall height red
- Culvert sagging in middle
Comments: Pipe bowed down in middle.
Culvert Measurements
ID: 1 | Structure Type: Circular pipe (Corrugated steel) | Fish Passage Rating: | |||||||||||||||||||||||||||||||||||||||||
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Comments: Pipe bowed down in middle. |
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Culvert Observations:
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ID: 2 | Structure Type: Circular pipe (Structural steel plate) | Fish Passage Rating: | |||||||||||||||||||||||||||||||||||||||||
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Comments: Pipe bowed down in middle. |
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Culvert Observations:
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Stream Measurements
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Stream Width Type | Distance From Crossing (ft) |
Stream Width (ft) |
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Upstream ordinary high water | 45.0 | 7.50 |
Upstream ordinary high water | 75.0 | 10.00 |
Upstream ordinary high water | 118.0 | 10.50 |
Elevations
Locator ID | Culvert Number |
River Distance (ft)1 |
Distance From Crossing (ft)2 |
Relative Elevation (ft) |
---|---|---|---|---|
Outlet Pool Water Elev | 1 | 95.38 | ||
Outlet Pool Water Elev | 2 | 95.78 | ||
U/S Headwater | 2 | 96.54 | ||
U/S Headwater | 1 | 96.65 | ||
D/S Grade Ctrl (Thalweg) | 0.00 | 31.0 | 94.92 | |
D/S Water Surface Elev (WS @ GP WS @ GP) | 0.00 | 31.0 | 95.10 | |
D/S Tailcrest or 1st Thalweg (TWC for main channel) | 1 | 10.00 | 21.0 | 95.22 |
D/S Water Surface Elev (WS @ TWC) | 1 | 10.00 | 21.0 | 95.37 |
D/S Tailcrest or 1st Thalweg | 2 | 23.00 | 8.0 | 95.73 |
D/S Water Surface Elev (WS @ TWC) | 2 | 23.00 | 8.0 | 95.78 |
D/S Thalweg (bottom of out pool) | 1 | 24.00 | 7.0 | 93.62 |
D/S Thalweg (bottom of out pool) | 2 | 25.50 | 5.5 | 94.49 |
D/S Thalweg (streambed at end of pipe) | 1 | 31.00 | 0.0 | 94.82 |
D/S Thalweg (streambed end of pipe) | 2 | 31.00 | 0.0 | 95.52 |
Outlet Invert | 1 | 31.00 | 0.0 | 95.74 |
Outlet Invert | 2 | 31.00 | 0.0 | 95.76 |
Road Elev | 48.00 | 101.66 | ||
Inlet Culvert Invert (Pool imm. u/s of inlet) | 1 | 65.00 | 0.0 | 96.53 |
Inlet Culvert Invert | 2 | 65.00 | 0.0 | 96.54 |
U/S Grade Ctrl (Thalweg) (no water; TC of pool at inlet of pipe 2) | 2 | 67.00 | 2.0 | 96.88 |
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