Fish Passage Site 20503803

Coordinates (dec. deg.): 61.75990°, -150.06624°
Legal Description: S019N004W06
Region: South Central
Road Name: Lucky Shot Trail

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: Basic site information, photos, fish trapping and basic culvert measurements collect. Site still needs full fish passage assessment.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Black
Inlet Type: Flared Inlet
Outlet Type: Projecting
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
Width(ft):4.0 4.0
Height(ft):4.0 4.0
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?: No
Baffles Present:
Embedded?: No
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:

Comments: The end of the inlet flare has bent up creating a potential low water barrier. Cuvlert 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): 6.16
Gear Type: Minnow Trap (B) Trap Duration(h): 6.16

Fish Observations

Species: juvenile coho salmon Life History: Unknown
Total Fish Observed: 1 Fish Measured: 1 Fork Lengths (mm) Min: 105 Max: 105 Mean: 105
Collected/Observed by Gear Type: Upstream Minnow Trap (1)  
Species: threespine stickleback Life History: Resident
Total Fish Observed: 5 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (5)  

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