Fish Passage Site 20401235

Coordinates (dec. deg.): 61.70985°, -149.09251°
Legal Description: S019N002E28
Region: South Central
Road Name: Buffalo Mine Road side road

Datum: WGS84
Quad Name / ITM: Anchorage C-6
AWC Stream #:
Stream Name: Moose Creek tributary

Elevation:

Site Comments: Side road off Buffalo Mine Rd. Site just d/s of BMR01.

Survey Date: Sep 02, 2009

Survey MSB09-USR02

Project Supervisor: Gillian O'Doherty, ADFG
Observers: Heidi Zimmer, Ben Histand

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Constriction ratio red
  2. Culvert gradient red
  3. Culvert is poorly aligned
  4. Shallow fill; inadequate roadfill volume above culvert
  5. Outfall height gray

Comments: Crooked rust line, maybe from approach angle; site just d/s of BMR01. Culvert looks like it was reused, rustline undependable.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 24.2
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 3
Approach Angle: 46.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):2.0 2.0
Height(ft):2.0 2.0
Apron Length(ft):
Water Depth(ft): 0.4
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.08
Outfall Type: Hydraulic Jump
Constriction Ratio: 0.4
Culvert Gradient: 1.57%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio red
  2. Culvert gradient red
  3. Culvert is poorly aligned
  4. Shallow fill; inadequate roadfill volume above culvert
  5. Outfall height gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 40.0 6.50
Upstream ordinary high water 77.0 5.00
Upstream ordinary high water 127.0 3.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Outlet Pool Water Elev 1 97.89
U/S Headwater 1 98.44
D/S Water Surface Elev (@GP) 1 0.00 13.0 97.51
D/S Grade Ctrl (Thalweg) 1 0.00 13.0 97.12
D/S Tailcrest or 1st Thalweg 1 7.00 6.0 97.40
D/S Water Surface Elev (@TWC) 1 7.00 6.0 97.85
D/S Thalweg (bottom of out pool) 1 10.00 3.0 96.87
D/S Thalweg 1 13.00 0.0 97.35
Outlet Invert 1 13.00 0.0 97.57
Road Elev 1 28.00 100.95
Inlet Culvert Invert 1 37.20 0.0 97.95
U/S Grade Ctrl (Thalweg) (TC of 1st pool u/s) 1 53.20 16.0 98.47
U/S Water Surface Elev (@GP) 1 53.20 16.0 98.78

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: Minnow Trap (A)
Comments: 30ft d/s; trap in bigger stream below confluence

Fish Observations

Species: juvenile/adult Dolly Varden Life History: Not Recorded
Total Fish Observed: 1 Fish Measured: 1 Fork Lengths (mm) Min: 128 Max: 128 Mean: 128
Collected/Observed by Gear Type: Downstream Minnow Trap (1)  

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