Fish Passage Site 20404057

Coordinates (dec. deg.): 61.53038°, -149.52145°
Legal Description: S017N001W30
Region: South Central
Road Name: Halter - Private Drive

Datum: WGS84
Quad Name / ITM: Anchorage C-7
AWC Stream #: 247-50-10300-2022
Stream Name: Cottonwood Creek Tributary

Elevation:

Site Comments: None

Survey Date: Sep 12, 2023

Survey MSB23-HAW01

Project Supervisor: Michael Mazzacavallo, Alaska Department of Fish and Game — Anchorage, AK
Observers: Michael Mazzacavallo, Kat Leavitt, Beth Evers

Overall Fish Passage Rating: Black

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Comments: No photos taken. Partial survey completed.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Black
 
Length(ft): 20.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 4
Approach Angle:
Sedimentation At Inlet: No
Inlet Substrate: Organic
Outlet Substrate: Organic
InletOutlet
Width(ft):1.48 1.55
Height(ft):1.45 1.42
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):0.34
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height:
Outfall Type: Free Fall In To Pool
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Pipe lenth estimated
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Black
 
Length(ft): 20.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 4
Approach Angle:
Sedimentation At Inlet: No
Inlet Substrate: Organic
Outlet Substrate: Organic
InletOutlet
Width(ft):1.46 1.46
Height(ft):1.39 1.47
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):0.85
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height:
Outfall Type: Free Fall In To Pool
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Pipe length estimated.
ID: 3 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Black
 
Length(ft): 20.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 4
Approach Angle:
Sedimentation At Inlet: No
Inlet Substrate: Organic
Outlet Substrate: Organic
InletOutlet
Width(ft):1.52 1.48
Height(ft):1.53 1.46
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):0.65
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present:
Embedded?: No
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Pipe length estimated
ID: 4 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Black
 
Length(ft): 20.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 4
Approach Angle:
Sedimentation At Inlet: No
Inlet Substrate: Organic
Outlet Substrate: Organic
InletOutlet
Width(ft):1.44 1.43
Height(ft):1.47 1.48
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):0.45
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Pipe length estimated.

Stream Measurements

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

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.

Photos

No photos available.

Questions or comments about this report can be directed to dfg.dsf.webmaster@alaska.gov