Fish Passage Site 20401329

Coordinates (dec. deg.): 61.61172°, -149.23756°
Legal Description: S018N001E35
Region: South Central
Road Name: Private Drive

Datum: NAD83
Quad Name / ITM: Anchorage C-6
AWC Stream #: 247-50-10260-2019-3066
Stream Name: Wasilla Creek tributary

Elevation:

Site Comments: Small tributary drainage located on a private driveway to a gravel pit off of Colony School Drive.

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 MSB11-CSD01

Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game — Anchorage, AK
Observers: Mark Eisenman, John Greuey, Abraham Gioffre

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Constriction ratio gray

Comments: None

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 80.9
Inlet Type: Flared Inlet
Outlet Type: Flared Inlet
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 3
Approach Angle: 15.0
Sedimentation At Inlet: Yes
Inlet Substrate: Cobble
Outlet Substrate: Sand
InletOutlet
Width(ft):3.6 3.45
Height(ft):2.75 2.65
Apron Length(ft):4.8 4.8
Water Depth(ft): 0.59
Rustline Height(ft):0.9
Substrate Depth(ft):0.9 0.8
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 0.8
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.67
Culvert Gradient: 0.67%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:OrganicSand
Subdominant:SandOrganic
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 21.0 4.35
Downstream ordinary high water 53.0 5.10
Downstream ordinary high water 91.0 6.70

Elevations

No elevation data available.

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