Fish Passage Site 20501501

Coordinates (dec. deg.): 62.44318°, -150.70003°
Legal Description: S027N008W11
Region: South Central
Road Name: Petersville Road

Datum: WGS84
Quad Name / ITM: Talkeetna B-2
AWC Stream #:
Stream Name: Deep 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 MSB23-MS085

Project Supervisor: Michael Mazzacavallo, Alaska Department of Fish and Game — Anchorage, AK
Observers: Michael Mazzacavallo, Kat Leavitt, Beth Evers

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. None of this type

Comments: None

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 44.23
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 4
Approach Angle: 39.0
Sedimentation At Inlet: No
Inlet Substrate: Gravel
Outlet Substrate: Gravel
InletOutlet
Width(ft):4.3 4.3
Height(ft):3.8 3.7
Apron Length(ft):
Water Depth(ft):0.0 0.46
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 1.16
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Culvert is completely rusted. Used upstream to calculate culvert gradient, could be potentially graded incorrectly due to this. (KL 11/22/23)

  Culvert Observations:
  1. None of this type
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 44.28
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 4
Approach Angle: 39.0
Sedimentation At Inlet: No
Inlet Substrate: Gravel
Outlet Substrate: Gravel
InletOutlet
Width(ft):4.1 4.0
Height(ft):3.8 3.7
Apron Length(ft):
Water Depth(ft):0.0 0.65
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 1.16
Culvert Gradient:
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:OrganicSand
Subdominant:SandSilt/Clay
Stream Slope(deg.):0.79
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Upstream ordinary high water 30.0 9.80
Upstream ordinary high water 60.0 3.40
Upstream ordinary high water 84.0 3.70
Upstream ordinary high water 100.0 3.60

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
Road Elev 99.39
U/S Thalweg 0.00 93.21
U/S Water Surface Elev 0.00 94.61
U/S Thalweg 36.00 93.98
U/S Water Surface Elev 36.00 94.37
Inlet Culvert Top 1 101.00 96.35
Inlet Culvert Top 2 101.00 96.46
U/S Water Surface Elev 1 101.00 93.38
U/S Water Surface Elev 2 101.00 93.48
Inlet Culvert Invert 2 101.00 92.47
Inlet Culvert Invert 1 101.00 92.65
D/S Water Surface Elev 1 144.23 93.35
Outlet Invert 1 144.23 92.89
Outlet Culvert Top 1 144.23 96.79
D/S Water Surface Elev 2 144.28 93.43
Outlet Culvert Top 2 144.28 96.67
Outlet Invert 2 144.28 92.78
D/S Water Surface Elev 203.23 92.77
D/S Thalweg 203.23 91.33
D/S Thalweg 240.23 91.58
D/S Water Surface Elev 240.23 92.70

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