Fish Passage Site 20501452

Coordinates (dec. deg.): 61.42612°, -149.87132°
Legal Description: S015N003W06
Region: South Central
Road Name: Point MacKenzie Road

Datum: NAD83
Quad Name / ITM: Anchorage B-8
AWC Stream #:
Stream Name: Goose Creek

Elevation:

Site Comments: GOOSE CREEK WATERSHED, wetland complex upstream.

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-MS036

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

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: Yes

Step Pools: No
Construction Year: 2023


Site Observations:

  1. None of this type

Comments: This is a side channel/ slough of Goose Creek.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated plastic) Fish Passage Rating: Green
 
Length(ft): 100.8
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.0
Corrugation Width(in.): 0.0
Condition Rating(1-5): 5
Approach Angle:
Sedimentation At Inlet: No
Inlet Substrate: Sand
Outlet Substrate: Sand
InletOutlet
Width(ft):4.0 4.0
Height(ft):3.98 4.0
Apron Length(ft):
Water Depth(ft):0.0 2.28
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
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: 0.61%
Max Slope:
Max Slope Length:
 

Comments: Corregations on outside of pipe, not on the inside.
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:SandSand
Subdominant:OrganicOrganic
Stream Slope(deg.):0.17
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 98.87
U/S Water Surface Elev 0.00 91.87
U/S Thalweg 0.00 89.92
Inlet Culvert Invert 100.00 90.17
U/S Water Surface Elev 100.00 91.76
Inlet Culvert Top 100.00 94.21
Outlet Culvert Top 200.80 93.60
Outlet Invert 200.80 89.50
D/S Water Surface Elev 200.80 91.78
D/S Water Surface Elev 231.80 91.77
D/S Thalweg 231.80 91.13
D/S Water Surface Elev 257.80 91.44
D/S Thalweg 257.80 90.63

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