Fish Passage Site 20501072

Coordinates (dec. deg.): 61.61915°, -149.59000°
Legal Description: S018N002W26
Region: South Central
Road Name: Wyoming Drive

Datum: NAD83
Quad Name / ITM: Anchorage C-7
AWC Stream #:
Stream Name: Unnamed

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-MS111

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

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: Yes

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient red
  2. Woody Debris

Comments: Grassy debris in front of inlet, gradient drop.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 36.9
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5): 3
Approach Angle: 0.0
Sedimentation At Inlet: No
Inlet Substrate: Organic
Outlet Substrate: Organic
InletOutlet
Width(ft):1.7 1.85
Height(ft):1.2 1.6
Apron Length(ft):
Water Depth(ft):0.0 0.72
Rustline Height(ft):0.0
Substrate Depth(ft):1.0 0.75
Backwatered?: Yes
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: 0.76%
Max Slope:
Max Slope Length:
 

Comments: Grassy overgrowth in front of culvert#1 outlet.
  Culvert Observations:
  1. Culvert gradient red
  2. Woody Debris
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 30.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5): 4
Approach Angle: 0.0
Sedimentation At Inlet: No
Inlet Substrate: Organic
Outlet Substrate: Silt/Clay
InletOutlet
Width(ft):0.9 1.0
Height(ft):0.5 1.0
Apron Length(ft):
Water Depth(ft):0.0 0.72
Rustline Height(ft):0.0
Substrate Depth(ft):1.4 0.0
Backwatered?: Yes
Baffles Present:
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient red
  2. Woody Debris

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:OrganicOrganic
Subdominant:Silt/ClaySilt/Clay
Stream Slope(deg.):0.49
Stream Flow Stage:High

No stream width data available.

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Water Surface Elev 0.00 96.99
D/S Water Surface Elev 30.00 97.12
D/S Water Surface Elev 2 40.00 97.14
Outlet Culvert Top 1 40.00 97.34
D/S Water Surface Elev 1 40.00 97.05
Outlet Invert 1 40.00 96.33
Outlet Invert 2 40.00 96.42
Outlet Culvert Top 2 40.00 98.15
U/S Water Surface Elev 1 73.42 97.34
Inlet Culvert Top 1 73.42 97.62
Inlet Culvert Invert 1 73.42 96.87
U/S Water Surface Elev 2 79.82 97.40
Inlet Culvert Invert 2 79.82 97.19
Inlet Culvert Top 2 79.82 98.42
U/S Water Surface Elev 106.90 97.51

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