Fish Passage Site 20503801

Coordinates (dec. deg.): 61.75253°, -150.06188°
Legal Description: S019N004W07
Region: South Central
Road Name: West Stormybrook Drive

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


Site Comments: None

Survey Date: Sep 25, 2018


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: None

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Black
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.75
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
Width(ft):3.0 3.0
Height(ft):3.0 3.0
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:

Comments: Beaver grates at inlet and outlet. Culvert measured.

Stream Measurements

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

No stream width data available.


No elevation data available.

Fish Sampling Efforts

Gear Type: Minnow Trap (A) Trap Duration(h): 6.0
Gear Type: Minnow Trap (B) Trap Duration(h): 6.0

Fish Observations

Species: threespine stickleback Life History: Resident
Total Fish Observed: 13 Fish Measured: 3 Fork Lengths (mm) Min: 45 Max: 65 Mean: 51
Collected/Observed by Gear Type: Downstream Minnow Trap (1)  Upstream Minnow Trap (12)  
Species: juvenile coho salmon Life History: Unknown
Total Fish Observed: 2 Fish Measured: 2 Fork Lengths (mm) Min: 87 Max: 118 Mean: 102
Collected/Observed by Gear Type: Downstream Minnow Trap (1)  Upstream Minnow Trap (1)  

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