Fish Passage Site 20300919
Coordinates (dec. deg.): 59.30813°, -151.72308°
Legal Description: S010S015W13
Region: South Central
Road Name: Port Graham
Datum: NAD83
Quad Name / ITM: Seldovia B-5
AWC Stream #:
Stream Name:
Elevation:
Site Comments: Location: Port Graham Stream: Channel is narrow with slow flow, no apparent restriction. Stream banks are well vegetated.
Survey KPC04-1A097
Observers: Mary King, Pam Russell
Overall Fish Passage Rating:
Tidal: No
Backwatered: No
Step Pools:
Construction Year:
Comments: Location: Port Graham Stream: Channel is narrow with slow flow, no apparent restriction. Stream banks are well vegetated. Bank undercut 3-4". Substrate is pebbles/gravel with some large rocks (12"). Culvert: Large dent 3' inside of inlet. Pipe condition=5. Not embedded. Pipe appears well-fit to stream size.
Culvert Measurements
ID: 1 | Structure Type: Circular pipe (Corrugated Metal) | Fish Passage Rating: | |||||||||||||||||||||||||||||||||||||||||
|
|
|
Stream Measurements
|
|
Stream Width Type | Distance From Crossing (ft) |
Stream Width (ft) |
---|---|---|
Upstream bank full | 75.0 | 3.92 |
Upstream bank full | 100.0 | 2.75 |
Upstream bank full | 125.0 | 2.42 |
Upstream bank full | 150.0 | 2.17 |
Upstream bed width | 75.0 | 1.08 |
Upstream bed width | 100.0 | 0.58 |
Upstream bed width | 125.0 | 1.33 |
Upstream bed width | 150.0 | 1.08 |
Upstream ordinary high water | 75.0 | 1.03 |
Upstream ordinary high water | 100.0 | 0.83 |
Upstream ordinary high water | 125.0 | 1.50 |
Upstream ordinary high water | 150.0 | 1.42 |
Elevations
Locator ID | Culvert Number |
River Distance (ft)1 |
Distance From Crossing (ft)2 |
Relative Elevation (ft) |
---|---|---|---|---|
D/S Thalweg | 96.29 | |||
D/S Tailcrest or 1st Thalweg | 96.66 | |||
OHW Left Bank | 96.77 | |||
OHW Left Bank | 96.79 | |||
U/S Thalweg | 1 | 97.61 | ||
Outlet Culvert Top (Orange painted "X" on top of outlet, measurement on 2nd corrugation.) | 1 | 100.00 | ||
Max Pool Depth | 0.00 | 5.0 | 96.66 | |
Outlet Invert | 1 | 5.00 | 0.0 | 96.90 |
Road Elev (Road surface.) | 25.00 | 102.43 | ||
Inlet Culvert Invert | 1 | 45.00 | 0.0 | 98.04 |
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