Fish Passage Improvement site 20503800

Fish Passage Site 20503800

Coordinates (dec. deg.): 61.75818°, -150.06577°
Legal Description: S019N004W07
Region: South Central
Road Name: Willow Creek Parkway

Datum: NAD83
Quad Name / ITM: Tyonek D-1
AWC Stream #:
Stream Name: Willow Lake Outlet

Elevation:

Site Comments: None

Survey Date: Sep 25, 2018

Survey UPDATE-WCP02

site photos

Project Supervisor: Gillian O'Doherty, ADFG
Observers: Mark Eisenman, Shane Hetzog

Overall Fish Passage Rating: Black

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:

Comments: Culvert needs full assessment.

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Corrugated steel)

Fish Passage Rating: Black

Length(ft):

Inlet Type: Projecting

Outlet Type: Projecting

Corrugation Depth(in.):

Corrugation Width(in.):

Condition Rating(1-5): 3

Approach Angle:

Sedimentation At Inlet:

Inlet Substrate:

Outlet Substrate:

	Inlet	Outlet
Width(ft):	3.5	3.0
Height(ft):	2.2	3.0
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):

Backwatered?: No

Baffles Present: No

Embedded?: No

Outfall Height:

Outfall Type: At Stream Grade

Constriction Ratio:

Culvert Gradient:

Max Slope:

Max Slope Length:

Stream Measurements

Stream Substrates	Upstream	Downstream
Dominant:
Subdominant:

Stream Slope(deg.):
Stream Flow Stage:	Medium

No stream width data available.

Elevations

No elevation data available.

Fish Sampling Efforts

Gear Type: Minnow Trap (A)		Trap Duration(h): 5.0
Comments: Trap set about 20 feet downstream

Gear Type: Minnow Trap (B)		Trap Duration(h): 18.8
Comments: Trap set in outlet pool

Fish Observations

Species: stickleback-unspecified		Life History: Unknown
Total Fish Observed: 4	Fish Measured: 2	Fork Lengths (mm) Min: 45 Max: 45 Mean: 45
Collected/Observed by Gear Type: Downstream Minnow Trap (2) Downstream Minnow Trap (2)

Species: Alaska blackfish		Life History: Resident
Total Fish Observed: 1	Fish Measured: 1	Fork Lengths (mm) Min: 121 Max: 121 Mean: 121
Collected/Observed by Gear Type: Downstream Minnow Trap (1)

Species: juvenile coho salmon		Life History: Unknown
Total Fish Observed: 1	Fish Measured: 1	Fork Lengths (mm) Min: 110 Max: 110 Mean: 110
Collected/Observed by Gear Type: Downstream Minnow Trap (1)

Photos

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