Fish Passage Site 10302208

Coordinates (dec. deg.): 58.39211°, -134.63623°
Legal Description: C040S065E23
Region: Southeast
Road Name: University Drive

Datum: NAD83
Quad Name / ITM: Juneau B-2
AWC Stream #:
Stream Name: Auke Lake tributary

Elevation:

Site Comments: None

Survey Date: Jul 13, 2011

Survey SEA11-UND01

Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game — Anchorage, AK
Observers: Jason Olds, Charmagne Gutierrez

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient red
  2. Road Fill (pushed off road by grader)

Comments: About 15' upstream from BLR01. Stream grade near 0, Muskeg ditch drain. Up/downstream of culvert highly urbanized

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 64.5
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.33
Corrugation Width(in.): 3.0
Condition Rating(1-5): 2
Approach Angle: 45.0
Sedimentation At Inlet: No
Inlet Substrate: Gravel
Outlet Substrate: Gravel
InletOutlet
Width(ft):2.0 2.0
Height(ft):1.9 1.9
Apron Length(ft):
Water Depth(ft): 0.04
Rustline Height(ft):1.9
Substrate Depth(ft):0.1 1.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: 1.01%
Max Slope:
Max Slope Length:
 

Comments: ~
  Culvert Observations:
  1. Culvert gradient red
  2. Road Fill (pushed off road by grader)

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:Silt/ClaySilt/Clay
Stream Slope(deg.):
Stream Flow Stage:Medium

No stream width data available.

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 100.00
D/S Tailcrest or 1st Thalweg 0.00 95.15
D/S Water Surface Elev 0.00 95.37
Outlet Pool Water Elev 5.00 95.38
Max Pool Depth 5.00 94.90
Outlet Culvert Top 10.00 96.54
Outlet Thalweg 10.00 95.42
D/S Water Surface Elev 10.00 95.46
Inlet Thalweg 74.50 96.07
U/S Water Surface Elev 74.50 96.17
Inlet Culvert Top 74.50 98.04
U/S Headwater 75.00 96.17

Notes:

  1. River distance is measured continuously throughout the survey reach along the thalweg of the stream.
  2. Measured from each end of the crossing along the thalweg of the stream.

Fish Sampling Efforts

Gear Type: None (A)
Comments: No traps set no fish observed.

Fish Observations

No fish observations occurred during this survey.

Questions or comments about this report can be directed to dfg.dsf.webmaster@alaska.gov