Fish Passage Site 30103635

Coordinates (dec. deg.): 51.84500°, -176.64204°
Legal Description: S096S195W23
Region: Southwest
Road Name: Leone Lake Access Road

Datum: NAD83
Quad Name / ITM: Adak C-2
AWC Stream #:
Stream Name: Leone Creek

Elevation:

Site Comments: Leone Lake outlet, site is above documented anadromy and there are signifcant barrier falls downstream. Leone Lake dam directly upstream. Site C153 about 500 feet downstream.

Survey Date: Sep 16, 2017

Survey ADAK17-C154

Observers: Mark Eisenman, Jeanette Alas

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Outfall height red
  2. Mechanical damage or joints parting
  3. Structural Problem
  4. Compound gradient in pipe

Comments: This information was gathered as part of the joint reconnaissance level project between the ADF&G Habitat Division and the Fish Passage Assessment Project on Adak Island. Due to time constraints full site assessments were not conducted, but base line information was collected. Leone Lake dam is directly upstream from site. Barrier falls directly downstream of culvert and beyond lower culvert. Dolly Varden caught downstream of site.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 43.0
Inlet Type: Projecting
Outlet Type: Mitered
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 1
Approach Angle:
Sedimentation At Inlet: Yes
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.0 3.0
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 on To Rip Rap
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Outfall height over 1 foot. Culvert length estimated using aerial imagery.
  Culvert Observations:
  1. Outfall height red
  2. Mechanical damage or joints parting
  3. Structural Problem
  4. Compound gradient in pipe
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 43.0
Inlet Type: Projecting
Outlet Type: Mitered
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 1
Approach Angle:
Sedimentation At Inlet: Yes
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.0 3.0
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 on To Rip Rap
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Outfall height over 1 foot. Culvert length estimated using aerial imagery.
  Culvert Observations:
  1. Outfall height red
  2. Mechanical damage or joints parting
  3. Structural Problem
  4. Compound gradient in pipe

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.

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