Fish Passage Site 20103958
Coordinates (dec. deg.): 62.68766°, -145.44043°
Legal Description: C011N001W32
Region: South Central
Road Name: Pipeline Acess Road
Datum:
Quad Name / ITM: Gulkana C-3
AWC Stream #:
Stream Name: Haggard Creek
Elevation:
Site Comments: PLMP 642.48
Survey UPD21-TAP5
Project Supervisor: Kim Clark, ADFG
— Anchorage, AK
Observers: Andrew Kastning, Nicole Farnham
Overall Fish Passage Rating:
Tidal: No
Backwatered: No
Step Pools: No
Construction Year:
Site Observations:
- Culvert gradient gray
- Hydraulic flows exceeded capacity
Comments: Evidence of road blow out downstream. Submitted by Kirsti Jurica with the Copper River Watershed Project.
Culvert Measurements
ID: 1 | Structure Type: Circular pipe (Corrugated steel) | Fish Passage Rating: | |||||||||||||||||||||||||||||||||||||||||
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Comments: Pipe gradient is 0.9% using tops and 0.7% using inverts |
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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) |
---|---|---|
Downstream ordinary high water | 7.30 | |
Downstream ordinary high water | 8.10 | |
Upstream ordinary high water | 9.80 | |
Upstream ordinary high water | 7.20 | |
Upstream ordinary high water | 7.50 |
Elevations
Locator ID | Culvert Number |
River Distance (ft)1 |
Distance From Crossing (ft)2 |
Relative Elevation (ft) |
---|---|---|---|---|
Road Elev (Low road) | 98.63 | |||
Road Elev (Road Surface) | 100.27 | |||
U/S Thalweg | 0.00 | 92.19 | ||
U/S Water Surface Elev | 0.00 | 94.70 | ||
U/S Water Surface Elev | 115.00 | 93.93 | ||
U/S Thalweg | 115.00 | 93.07 | ||
U/S Water Surface Elev | 257.00 | 93.58 | ||
U/S Thalweg | 257.00 | 91.78 | ||
Inlet Culvert Invert | 268.00 | 91.18 | ||
U/S Water Surface Elev | 268.00 | 93.57 | ||
Inlet Culvert Top | 268.00 | 98.49 | ||
D/S Water Surface Elev | 334.00 | 93.55 | ||
Outlet Culvert Top | 334.00 | 97.86 | ||
Outlet Invert | 334.00 | 90.70 | ||
Max Pool Depth | 344.00 | 91.75 | ||
D/S Water Surface Elev | 344.00 | 93.55 | ||
D/S Water Surface Elev | 353.00 | 93.57 | ||
D/S Tailcrest or 1st Thalweg | 353.00 | 92.60 | ||
D/S Thalweg (Downstream scour pool) | 421.00 | 88.57 | ||
D/S Water Surface Elev | 421.00 | 91.52 |
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