Fish Passage Site 20403473

Coordinates (dec. deg.): 61.12676°, -149.79461°
Legal Description: S012N003W15
Region: South Central
Road Name: Private Driveway

Datum: NAD83
Quad Name / ITM: Anchorage A-8
AWC Stream #: 247-60-10340-2018-3006
Stream Name: Little Campbell Creek, South Fork

Elevation:

Site Comments: Driveway is located at the end of E104th Ave.

Survey Date: Aug 22, 2016

Survey UPDATE-ZOO2

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

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools: Yes
Construction Year: 2015


Comments: Site was replaced 9/10/15. There is another culvert about 100 feet upstream that was also replaced as part of this project which was a priority in the Little Campbell Creek Watershed Management Plan.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating: Green
 
Length(ft): 40.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 2.25
Condition Rating(1-5): 5
Approach Angle: 42.0
Sedimentation At Inlet: No
Inlet Substrate: Cobble
Outlet Substrate: Cobble
InletOutlet
Width(ft):10.6 10.2
Height(ft):5.4 6.4
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):5.2 3.8
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 3.8
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 1.63
Culvert Gradient: 3.14%
Max Slope:
Max Slope Length:
 

Comments: Stream slope taken from ZOO1 resurvey. Juvenile fish observed downstream from culvert. Lots of big loose rip rap in stream.

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleCobble
Subdominant:GravelGravel
Stream Slope(deg.):2.64
Stream Flow Stage:Low
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Downstream ordinary high water 30.0 5.50
Downstream ordinary high water 60.0 6.00
Downstream ordinary high water 100.0 8.00

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
Road Elev 102.62
D/S Grade Ctrl (Thalweg) 0.00 91.46
D/S Water Surface Elev 0.00 91.85
D/S Thalweg (End of outlet riffle) 18.00 91.74
D/S Water Surface Elev 18.00 92.06
Outlet Invert (On substrate) 28.00 92.40
D/S Water Surface Elev 28.00 92.74
Outlet Culvert Top 28.00 98.74
Inlet Culvert Top 68.10 100.00
Inlet Culvert Invert 68.10 94.48
U/S Water Surface Elev (On substrate, 1st resting) 68.10 94.74
U/S Grade Ctrl (Thalweg) 82.10 95.00
U/S Water Surface Elev 82.10 95.20

Notes:

  1. River distance is measured continuously throughout the survey reach along the thalweg of the stream.
  2. Measured from each end of the crossing along the thalweg of the stream.

Fish Sampling Efforts

Gear Type: Visual Observation, Ground (A)
Comments: Unidentified juvenile fish observed downstream from culvert

Fish Observations

No fish observations occurred during this survey.

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