Fish Passage Site 20603495

Coordinates (dec. deg.): 61.08452°, -151.43447°
Legal Description: S012N012W32
Region: South Central
Road Name: Logging Road

Datum: NAD83
Quad Name / ITM: Tyonek A-4
AWC Stream #:
Stream Name: Congabuna Lake Inlet

Elevation:

Site Comments: Site is about one mile usptream from TYK10.

Survey Date: Apr 26, 2016

Survey UPDATE-TYK11

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

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Beaver Activity

Comments: Had to hike into site as TYK10 was washed out and impassible. Road bed in pretty bad shape. Culvert blocked by beaver dam.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft):
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet: Yes
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):
Height(ft):
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?: No
Baffles Present: No
Embedded?:
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Culvert plugged by beaver dam.
  Culvert Observations:
  1. Beaver Activity

Stream Measurements

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

No stream width data available.

Elevations

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 dfg.dsf.webmaster@alaska.gov