Fish Passage Site 20400107

Coordinates (dec. deg.): 61.12818°, -149.79664°
Legal Description: S012N003W15
Region: South Central
Road Name: Pacer Road

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

Elevation:

Site Comments: CAMBELL CREEK WATERSHED

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 UPD20-PAC01

Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game — Anchorage, AK
Observers: Gillian O'Doherty, Kim Clark, Michael Mazzacavallo

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools: Yes
Construction Year: 2011


Site Observations:

  1. None of this type

Comments: Diversion upstream to golf course. Landowner mentioned creek runs dry in July for a month and observes dead and stranded fish. Banks in middle of culvert not well defined. One grade control weir at inlet collapsed.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 80.5
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 1
Approach Angle: 28.0
Sedimentation At Inlet: No
Inlet Substrate: Boulder
Outlet Substrate: Gravel
InletOutlet
Width(ft):12.0 11.4
Height(ft):6.8 7.15
Apron Length(ft):
Water Depth(ft): 0.2
Rustline Height(ft):
Substrate Depth(ft): 4.9
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 4.9
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio: 2.35
Culvert Gradient: 2.90%
Max Slope:
Max Slope Length:
 

Comments: No rust line, pipe in great condition.

Stream Measurements

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

No stream width data available.

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
D/S Thalweg (taken mid riffle downstream, no features) 0.00 129.35
D/S Water Surface Elev 0.00 128.81
Outlet Invert 23.70 17.49
Outlet Culvert Top 23.70 10.16
D/S Water Surface Elev 23.70 17.29
Top of Pipe Inlet 80.50 118.01
Inlet Culvert Invert 80.50 125.02
U/S Water Surface Elev 80.50 124.67
U/S Thalweg (below rock wier) 81.10 124.84
U/S Water Surface Elev 81.10 124.28
U/S Thalweg (grade control. Top of rock wier/step (artificial)) 87.50 124.18
U/S Water Surface Elev 87.50 123.66
U/S Thalweg (top of rock step) 99.50 123.95
U/S Water Surface Elev 99.50 123.52

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

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