Fish Passage Site 20603479

Coordinates (dec. deg.): 61.27386°, -150.91206°
Legal Description: S014N009W28
Region: South Central
Road Name: Pretty Creek Road

Datum: NAD83
Quad Name / ITM: Tyonek B-3
AWC Stream #:
Stream Name: Unnamed


Site Comments: None

Survey Date: Apr 28, 2016


Project Supervisor: Gillian O'Doherty, ADFG
Observers: Mark Eisenman, Robert Pype

Overall Fish Passage Rating: Green


Step Pools:
Construction Year:

Site Observations:

  1. Beaver Activity

Comments: Site is currently backwatered by a beaver dam downstream. Dam looks to be fairly new and site conditions could change quickly.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Green
Length(ft): 39.8
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 4
Approach Angle: 0.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
Width(ft):5.2 5.2
Height(ft):5.0 5.0
Apron Length(ft):
Water Depth(ft): 2.0
Rustline Height(ft):2.2
Substrate Depth(ft):0.0 0.0
Backwatered?: Yes
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:

Comments: Downstream beaver dam currently backwatering culvert.

  Culvert Observations:
  1. Beaver Activity

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.

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