Fish Passage Site 20501070

Coordinates (dec. deg.): 61.61665°, -149.62645°
Legal Description: S018N002W27
Region: South Central
Road Name: East Norms Drive

Datum: NAD83
Quad Name / ITM: Anchorage C-7
AWC Stream #: 247-50-10330-2050-3050-4027-5061
Stream Name: Cloudy Lake Drainage

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-MS108

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: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. None of this type

Comments: Fish spotted downstream at outlet. Black thaw pipe sticking out from outlet, it goes through the entire length of culvert but sags in the middle. Entire pipe is rusted ,inlet and outlet. Damage to the inlet entry.

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 44.3
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: Cobble
Outlet Substrate: Gravel
InletOutlet
Width(ft):3.85 3.85
Height(ft):2.3 2.7
Apron Length(ft):
Water Depth(ft):0.0 0.84
Rustline Height(ft):0.9
Substrate Depth(ft):1.0 2.0
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 2.0
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.93
Culvert Gradient: 0.12%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:OrganicOrganic
Subdominant:Silt/ClaySilt/Clay
Stream Slope(deg.):1.23
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 37.0 3.90
Upstream ordinary high water 50.0 1.90
Upstream ordinary high water 76.0 5.60
Upstream ordinary high water 98.0 5.10

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 100.05
U/S Thalweg 0.00 97.99
U/S Water Surface Elev 0.00 98.54
U/S Water Surface Elev 75.00 96.80
U/S Thalweg 75.00 96.40
U/S Water Surface Elev 97.00 96.49
Inlet Culvert Invert 97.00 95.94
Inlet Culvert Top 97.00 98.66
Outlet Culvert Top 141.30 98.61
Outlet Invert 141.30 95.67
D/S Water Surface Elev 141.30 96.51
D/S Water Surface Elev 155.30 96.48
D/S Thalweg 155.30 95.68
D/S Water Surface Elev 215.30 95.90
D/S Thalweg 215.30 95.10

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