Fish Passage Site 20501051

Coordinates (dec. deg.): 61.61198°, -149.63937°
Legal Description: S018N002W33
Region: South Central
Road Name: North Phillips Drive

Datum: NAD83
Quad Name / ITM: Anchorage C-8
AWC Stream #: 247-50-10330-2050-3050-4027
Stream Name: Cloudy Lake Outlet

Elevation:

Site Comments: Little Meadow Creek tributary

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-MS109

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

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools: No
Construction Year: 2021


Site Observations:

  1. None of this type

Comments: Fed by lake outlet.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Structural aluminum plate) Fish Passage Rating: Green
 
Length(ft): 60.08
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 5
Approach Angle: 0.0
Sedimentation At Inlet: No
Inlet Substrate: Cobble
Outlet Substrate: Gravel
InletOutlet
Width(ft):7.0 7.3
Height(ft):5.2 5.4
Apron Length(ft):
Water Depth(ft):0.0 2.54
Rustline Height(ft):0.0
Substrate Depth(ft):1.8 1.6
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 1.8
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 1.12
Culvert Gradient: 2.66%
Max Slope:
Max Slope Length:
 

Comments: No rustline present at inlet and outlet.
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:SandCobble
Subdominant:Silt/ClaySand
Stream Slope(deg.):2.54
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 39.0 6.40
Downstream ordinary high water 74.0 6.30
Downstream ordinary high water 103.0 6.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 100.85
U/S Water Surface Elev (Pond WS) 0.00 94.94
Inlet Culvert Invert 10.00 94.03
U/S Water Surface Elev 10.00 94.92
Inlet Culvert Top 10.00 99.68
Outlet Culvert Top 70.08 98.08
Outlet Invert 70.08 92.44
D/S Water Surface Elev 70.08 93.47
D/S Thalweg 101.08 92.01
D/S Water Surface Elev 101.08 92.66
D/S Thalweg 133.08 90.96
D/S Water Surface Elev 133.08 91.62
D/S Thalweg 177.08 90.00
D/S Water Surface Elev 177.08 90.44

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