Fish Passage Site 20501189

Coordinates (dec. deg.): 61.69695°, -149.99681°
Legal Description: S019N004W33
Region: South Central
Road Name: Kime Lane

Datum: WGS84
Quad Name / ITM: Anchorage C-8
AWC Stream #: 247-41-10100-2231-3070
Stream Name: Outlet of Kime Pond

Elevation:

Site Comments: Nancy Lake and unnamed pond

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-KME01

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

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools: Yes
Construction Year:


Site Observations:

  1. None of this type

Comments: Post-replacement survey; d/s gradient = 3.74%; series of step-pools in pipe; u/s is small lake; d/s chan spreads; Inlet blocked by beaver dam in Sept 2021 site visit.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 80.4
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 5
Approach Angle:
Sedimentation At Inlet: No
Inlet Substrate: Gravel
Outlet Substrate: Gravel
InletOutlet
Width(ft):7.7 7.7
Height(ft):5.7 6.2
Apron Length(ft):
Water Depth(ft): 0.16
Rustline Height(ft):0.0
Substrate Depth(ft):2.0 1.5
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 1.5
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: 3.80%
Max Slope:
Max Slope Length:
 

Comments: Post-replacement survey; d/s gradient = 3.74%; series of step-pools in pipe; u/s is small lake; d/s chan spreads;

  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClayGravel
Subdominant:GravelSilt/Clay
Stream Slope(deg.):3.74
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Downstream ordinary high water 38.0 4.00

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
U/S Headwater 1 94.82
D/S Grade Ctrl (Thalweg) 1 0.00 57.0 88.66
D/S Water Surface Elev (@GP) 1 0.00 57.0 88.90
D/S Grade Ctrl (Thalweg) 1 17.00 40.0 89.34
D/S Water Surface Elev (@GP) 1 17.00 40.0 89.51
D/S Grade Ctrl (Thalweg) 1 42.00 15.0 90.35
D/S Water Surface Elev (@GP) 1 42.00 15.0 90.54
D/S Water Surface Elev (@GP) 1 46.00 11.0 90.62
D/S Grade Ctrl (Thalweg) 1 46.00 11.0 90.49
D/S Thalweg (bottom of step d/s) 1 49.50 7.5 90.52
D/S Thalweg (top of step d/s) 1 51.00 6.0 90.84
Outlet Invert 1 57.00 0.0 91.17
Outlet Pool Water Elev 1 57.00 91.33
Road Elev 1 97.00 110.34
Inlet Culvert Invert 1 137.40 0.0 94.68
U/S Grade Ctrl (Thalweg) (log/cobble) 1 138.40 1.0 94.95
U/S Water Surface Elev (@GP) 1 138.40 1.0 95.05

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