Fish Passage Site 20300981

Coordinates (dec. deg.): 60.19059°, -151.42965°
Legal Description: S001N012W07
Region: South Central
Road Name: Sterling Highway

Datum: NAD83
Quad Name / ITM: Kenai A-4
AWC Stream #:
Stream Name: Falls Creek

Elevation:

Site Comments: None

Survey Date: Jun 28, 2001

Survey KPCS1-NK016

Observers: Cecil Rich, Michael Lund, Tracy Smith

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Likely has barrier near mouth. CG?SC above influence of inlet. Headwall separating upstream and dowstream from culvert and leaning.

Culvert Measurements

ID: 1 Structure Type: Closed-bottom arch (Strutural Metal Plate) Fish Passage Rating:
 
Length(ft): 103.0
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):7.5 7.67
Height(ft):8.81 8.1
Apron Length(ft):
Water Depth(ft):0.67 0.6
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.85
Outfall Type:
Constriction Ratio: 1.33
Culvert Gradient: 1.04%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelCobble
Subdominant:Silt/ClayGravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 37.0 8.00
Downstream ordinary high water 53.0 10.40
Downstream ordinary high water 111.0 9.00
Upstream ordinary high water 5.0 9.20
Upstream ordinary high water 50.0 4.40
Upstream ordinary high water 100.0 6.90

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 75.00
D/S OHW Elev 0.00 111.0 84.00
D/S Thalweg 0.00 111.0 83.00
D/S Water Surface Elev 0.00 111.0 83.00
D/S Thalweg 58.00 53.0 83.02
D/S Water Surface Elev 58.00 53.0 84.00
D/S OHW Elev 58.00 53.0 84.00
D/S Tailcrest or 1st Thalweg 74.00 37.0 83.05
OHW Left Bank 74.00 37.0 83.39
D/S Water Surface Elev 74.00 37.0 83.39
OHW Left Bank 106.00 5.0 83.33
OHW Left Bank 106.00 5.0 83.96
Max Pool Depth 106.00 5.0 78.46
Outlet Invert 1 111.00 0.0 83.58
Outlet Thalweg 1 111.00 0.0 83.58
Outlet Rustline Height 1 111.00 0.0 84.69
Outlet Culvert Top 1 111.00 0.0 92.40
Road Elev 162.50 101.38
Road Elev 162.50 105.94
Inlet Culvert Top 1 214.00 0.0 93.46
Inlet Rustline Height 1 214.00 0.0 86.19
Inlet Culvert Invert 1 214.00 0.0 84.65
Inlet Thalweg 1 214.00 0.0 84.65
U/S Thalweg 1 215.00 1.0 84.30
U/S Thalweg 1 219.00 5.0 84.48
U/S Water Surface Elev 1 219.00 5.0 85.32
U/S OHW elevation 1 219.00 5.0 85.63
U/S Thalweg 1 229.00 15.0 84.80
U/S Water Surface Elev 273.00 59.0 85.32
U/S Headwater 273.00 59.0 85.96
U/S Thalweg 273.00 59.0 84.80
U/S Thalweg 315.00 101.0 85.98
U/S Water Surface Elev 315.00 101.0 86.48
U/S Headwater 315.00 101.0 86.76

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): 2.05
 
Gear Type: Minnow Trap (B) Trap Duration(h): 2.05

Fish Observations

Species: adult stickleback-unspecified Life History: Resident
Total Fish Observed: 2 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (2)  
 
Species: no fish collected or observed Life History: Not Applicable
Total Fish Observed: 0 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Upstream Minnow Trap (0)  

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