Fish Passage Site 20501130

Coordinates (dec. deg.): 61.57322°, -149.83943°
Legal Description: S017N003W09
Region: South Central
Road Name: Beaver Lake Road

Datum: NAD83
Quad Name / ITM: Anchorage C-8
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-MS098

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: On private property, down a driveway. Culvert looks to have been updated since last survey.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 20.14
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 4
Approach Angle: 0.0
Sedimentation At Inlet: No
Inlet Substrate: Gravel
Outlet Substrate: Gravel
InletOutlet
Width(ft):3.05 3.04
Height(ft):2.53 2.75
Apron Length(ft):
Water Depth(ft):0.0 0.58
Rustline Height(ft):0.9
Substrate Depth(ft):0.4 0.2
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: 0.89%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:OrganicOrganic
Subdominant:SandSand
Stream Slope(deg.):1.1
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)
Road Elev 99.80
U/S Water Surface Elev 0.00 96.30
U/S Water Surface Elev 50.00 95.98
Inlet Culvert Top 50.00 97.97
Inlet Culvert Invert 50.00 95.37
D/S Water Surface Elev 70.14 95.63
Outlet Invert 70.14 95.05
Outlet Culvert Top 70.14 97.79
D/S Water Surface Elev 110.14 95.09

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.

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