Fish Passage Site 20501471

Coordinates (dec. deg.): 62.13629°, -149.94032°
Legal Description: S024N004W25
Region: South Central
Road Name: Montana Creek Road

Datum: WGS84
Quad Name / ITM: Talkeetna Mts A-6
AWC Stream #:
Stream Name: Buddy Creek

Elevation:

Site Comments: None

Multiple surveys have been conducted at this site — click on the drop down
arrow to the right of the survey date below to choose a different report for this site.

Survey PRK09-MTC01

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. Outfall height gray

Comments: OH gradual pourover, not drop; pipe slightly curved sideways near inlet; pourover into inlet possible velocity barrier

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 60.8
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 4
Approach Angle: 5.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):4.9 4.9
Height(ft):4.9 4.9
Apron Length(ft):
Water Depth(ft): 0.85
Rustline Height(ft):1.7
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.14
Outfall Type: Hydraulic Jump
Constriction Ratio: 0.45
Culvert Gradient: 0.44%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio red
  2. Outfall height gray
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 60.1
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 4
Approach Angle: 5.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):4.9 4.9
Height(ft):4.9 4.9
Apron Length(ft):
Water Depth(ft): 1.01
Rustline Height(ft):1.7
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.24
Outfall Type: Hydraulic Jump
Constriction Ratio: 0.45
Culvert Gradient: 0.27%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio red
  2. Outfall height gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelCobble
Subdominant:CobbleGravel
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 60.0 16.00
Upstream ordinary high water 102.0 16.00
Upstream ordinary high water 185.0 15.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Outlet Pool Water Elev 2 95.71
Outlet Pool Water Elev 1 95.73
U/S Headwater 1 96.55
U/S Headwater 2 96.60
D/S Grade Ctrl (Thalweg) 0.00 95.0 93.70
D/S Water Surface Elev (ws at GP) 0.00 95.0 94.79
D/S Water Surface Elev (ws at GP) 68.00 27.0 96.95
D/S Tailcrest or 1st Thalweg 74.00 21.0 94.74
D/S Water Surface Elev (ws at TWC) 74.00 21.0 95.76
D/S Thalweg (bottom of pool) 2 86.00 9.0 91.97
D/S Thalweg 1 86.00 9.0 92.78
D/S Thalweg 2 90.00 5.0 92.93
D/S Thalweg 1 90.00 5.0 93.15
Outlet Invert 2 95.00 0.0 94.94
Outlet Invert 1 95.00 0.0 95.02
Road Elev 125.00 103.77
Inlet Culvert Invert 2 155.00 0.0 95.10
Inlet Culvert Invert 1 155.00 0.0 95.29
U/S Thalweg 164.00 9.0 94.35
U/S Grade Ctrl (Thalweg) (1st TC u/s) 182.00 27.0 95.74

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

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