Fish Passage Site 20703777

Coordinates (dec. deg.): 57.71737°, -152.56500°
Legal Description: S028S020W29
Region: Southwest
Road Name:

Datum: NAD83
Quad Name / ITM: Kodiak C-2
AWC Stream #:
Stream Name: Unnamed


Site Comments: None

Survey Date: Apr 12, 2018


Project Supervisor: Gillian O'Doherty, ADFG
Observers: William Frost

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:

Site Observations:

  1. Outfall height gray

Comments: Site and photos submitted by Will Frost, Habitat Biologist, ADF&G. Stream has been cataloged downstream, but highway culvert is a likely barrier to upward fish passage. Outfall height appears to be under 4 inches.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated plastic) Fish Passage Rating: Gray
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 4
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type: Free Fall In To Pool
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:

Comments: Outfall not measured, but photos show a free fall into pool. Culvert diameter estimated to about about 2.5 ft.

  Culvert Observations:
  1. Outfall height gray

Stream Measurements

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

No stream width data available.


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