Fish Passage Site 10302200

Coordinates (dec. deg.): 58.37418°, -134.62111°
Legal Description: C040S065E26
Region: Southeast
Road Name: Glacier Highway

Datum: NAD83
Quad Name / ITM: Juneau B-2
AWC Stream #:
Stream Name: Casa Del Sol tributary

Elevation:

Site Comments: None

Survey Date: Jul 20, 2011

Survey SEA11-GLH18

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

Comments: Juvenile coho observed upstream. US/DS ditch/drain Site is about 75 feet upstream from ECR01

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 90.3
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5): 3
Approach Angle: 61.0
Sedimentation At Inlet: Yes
Inlet Substrate: Silt/Clay
Outlet Substrate: Silt/Clay
InletOutlet
Width(ft):2.0 2.0
Height(ft):1.9 1.6
Apron Length(ft):
Water Depth(ft): 0.94
Rustline Height(ft):0.45
Substrate Depth(ft):0.1 0.4
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: 2.08%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelClay (legacy)
Subdominant:CobbleOrganic
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 106.35
D/S Tailcrest or 1st Thalweg 0.00 98.69
D/S Water Surface Elev 0.00 98.79
Max Pool Depth 8.00 98.50
Outlet Pool Water Elev 8.00 99.24
Outlet Culvert Top 9.00 100.00
Outlet Invert 9.00 98.29
D/S Water Surface Elev 9.00 99.23
Inlet Culvert Invert 99.30 100.17
U/S Headwater 99.30 100.59
Inlet Culvert Top 99.30 102.07

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: Visual Observation, Ground (A)
Comments: Juvenile salmonids, most likely coho, observed upstream from culvert.
 
Gear Type: (B)

Fish Observations

No fish observations occurred during this survey.

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