Fish Passage Site 30303081

Coordinates (dec. deg.): 59.00410°, -158.53787°
Legal Description: S013S056W36
Region: Southwest
Road Name: Kanakanak Road

Datum: NAD83
Quad Name / ITM: Dillingham A-7
AWC Stream #: 325-30-10100-2013
Stream Name: Nushagak River tributary

Elevation:

Site Comments: None

Multiple surveys have been conducted at this site — click on the drop down
arrow to the right of the survey date below to choose a different report for this site.

Survey SWA12-DIL19

Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game — Anchorage, AK
Observers: Gillian O'Doherty, Mark Eisenman

Overall Fish Passage Rating: Gray

Tidal: Yes
Backwatered: Unknown

Step Pools: No
Construction Year:


Site Observations:

  1. Compound gradient in pipe
  2. Constriction ratio gray

Comments: Site has a road drainage slide on top of pipe coming down road bank. Site has had different culverts added to the ends to extend length. Stream exits to beach approximately 350 feet downstream.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 145.6
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 1
Approach Angle: 7.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: Cobble
InletOutlet
Width(ft):4.3 6.0
Height(ft):4.4 5.5
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):1.3
Substrate Depth(ft):0.0 0.0
Backwatered?: Unknown
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio: 0.59
Culvert Gradient:
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Compound gradient in pipe

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClayCobble
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 73.0 7.10
Downstream ordinary high water 160.0 8.20
Downstream ordinary high water 204.0 6.60

Elevations

No elevation data available.

Fish Sampling Efforts

Gear Type: Visual Observation, Ground (A)
Comments: No traps set, no fish observed.

Fish Observations

No fish observations occurred during this survey.

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