Fish Passage Site 20501188

Coordinates (dec. deg.): 61.59410°, -149.58215°
Legal Description: S017N002W02
Region: South Central
Road Name: Karsten Drive

Datum: WGS84
Quad Name / ITM: Anchorage C-7
AWC Stream #:
Stream Name: Meadow Creek 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 MSB09-KAR01

Project Supervisor: Gillian O'Doherty, ADFG
Observers: Heidi Zimmer, Ben Histand

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Site Observations:

  1. Constriction ratio red
  2. Culvert gradient gray
  3. Woody Debris

Comments: Wooden struts in pipe; obs small (10mm) fish u/s and d/s (no fish caught). Updated site photos added from 9/26/16 site visit for Sampling Unmapped Streams in the MSB project. Fish sampling data entered into AFFI.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 40.6
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 3
Approach Angle: 0.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):4.0 4.0
Height(ft):4.1 4.0
Apron Length(ft):
Water Depth(ft): 0.71
Rustline Height(ft):0.7
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.4
Culvert Gradient: 0.67%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio red
  2. Culvert gradient gray
  3. Woody Debris

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClaySilt/Clay
Subdominant:CobbleSilt/Clay
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 85.0 8.00
Upstream ordinary high water 138.0 9.00
Upstream ordinary high water 195.0 13.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Outlet Pool Water Elev 1 96.35
U/S Headwater (pool immed. u/s of inlet) 1 96.46
D/S Thalweg (on top of log across chan - prob flow underneath log) 1 0.00 91.0 96.11
D/S Water Surface Elev (just u/s of log) 1 0.00 91.0 96.27
D/S Thalweg 1 86.00 5.0 95.08
Outlet Invert 1 91.00 0.0 95.64
Road Elev 1 111.00 102.66
Inlet Culvert Invert 1 131.60 0.0 95.91

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: Minnow Trap (A) Trap Duration(h): 0.75
Comments: no fish caught; 100ft u/s
 
Gear Type: Minnow Trap (B) Trap Duration(h): 0.75
Comments: no fish caught; 110 ft d/s
 
Gear Type: Visual Observation, Ground (C)
Comments: Observed small (10mm) unidentified fish upstream and downstream from culvert.

Fish Observations

No fish observations occurred during this survey.

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