Fish Passage Site 20300970

Coordinates (dec. deg.): 60.35083°, -151.21720°
Legal Description: S003N011W17
Region: South Central
Road Name: Sterling Highway

Datum: NAD83
Quad Name / ITM: Kenai B-4
AWC Stream #: 244-30-10050-2015
Stream Name: Coal Creek

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 KEN17-SH01

Observers: Elise Idle, Maggie Schaffer

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient gray
  2. Constriction ratio gray

Comments: Culvert information and assessment data collected and submitted by USFWS. Outlet pond too deep for measurement. Elevations erroneous could not be used to rate site.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 71.0
Inlet Type: Projecting
Outlet Type: Mitered
Corrugation Depth(in.): 3.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 2
Approach Angle: 14.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):8.0 8.0
Height(ft):9.0 9.0
Apron Length(ft):
Water Depth(ft): 1.12
Rustline Height(ft):3.9
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: 0.7
Culvert Gradient: 1.60%
Max Slope:
Max Slope Length:
 

Comments: Inlet miter has been removed since the 2001 survey.
  Culvert Observations:
  1. Constriction ratio gray
  2. Culvert gradient red
  3. Inlet perch

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:CobbleCobble
Stream Slope(deg.):0.14
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 10.0 11.60
Upstream ordinary high water 35.0 10.20
Upstream ordinary high water 55.0 10.50
Upstream ordinary high water 70.0 13.00

Elevations

No elevation data available.

Fish Sampling Efforts

Gear Type: Minnow Trap (A) Trap Duration(h): 0.7
Comments: Trap set about 30 feet upstream.
 
Gear Type: Minnow Trap (B) Trap Duration(h): 0.7
Comments: Trap set about 20 feet downstream.

Fish Observations

Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 9 Fish Measured: 9 Fork Lengths (mm) Min: 55 Max: 135 Mean: 95
Collected/Observed by Gear Type: Downstream Minnow Trap (7)  Upstream Minnow Trap (2)  

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