Fish Passage Site 20203726

Coordinates (dec. deg.): 60.11266°, -149.44389°
Legal Description: S001S001W03
Region: South Central
Road Name: Driveway

Datum: NAD83
Quad Name / ITM: Seward A-7
AWC Stream #: 231-30-10070-2009
Stream Name: Scheffler Creek

Elevation:

Site Comments: Site is a driveway off of 2nd Avenue. Site 119_2007 is about 45 feet downstream and site 121_2007 is about 55 feet upstream.

Survey Date: Aug 08, 2017

Survey KEN17-120_2007

Observers: Jeff Sires, Mary Richardson, Louis Mitchell

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient red
  2. Outfall height gray
  3. Damage associated with ice problems
  4. Inlet perch
  5. Mechanical damage or joints parting

Comments: KWFRES_17_16. Culvert assessment submitted by Kenai Watershed Forum. Creek is ditched upstream and downstream from culvert. Small outfall out outlet. Looks like debris is causing an inlet perch at inlet.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 29.9
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5): 2
Approach Angle: 0.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):2.5 2.5
Height(ft):1.5 2.42
Apron Length(ft):
Water Depth(ft): 0.16
Rustline Height(ft):1.0
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.09
Outfall Type: Hydraulic Jump
Constriction Ratio: 1.03
Culvert Gradient: 1.47%
Max Slope:
Max Slope Length:
 

Comments: Inlet damage
  Culvert Observations:
  1. Culvert gradient red
  2. Outfall height gray
  3. Damage associated with ice problems
  4. Inlet perch
  5. Mechanical damage or joints parting

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelCobble
Subdominant:CobbleGravel
Stream Slope(deg.):1.97
Stream Flow Stage:Low
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 10.0 4.58
Downstream ordinary high water 28.0 3.40
Downstream ordinary high water 40.0 3.25
Upstream ordinary high water 10.0 4.25
Upstream ordinary high water 25.0 4.00
Upstream ordinary high water 36.0 5.25
Upstream ordinary high water 50.0 6.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev (Driveway 9) 100.07
D/S Water Surface Elev 0.00 95.27
D/S Thalweg (TBM 3 (nail in Telephone pole between sites 119 and 120)) 0.00 96.16
D/S Thalweg 13.00 95.47
D/S Water Surface Elev 13.00 95.71
D/S Grade Ctrl (Thalweg) 20.00 95.78
D/S Water Surface Elev 20.00 96.01
D/S Tailcrest or 1st Thalweg 29.00 96.21
D/S Water Surface Elev 29.00 96.35
Outlet Pool Water Elev 36.00 96.40
Max Pool Depth 36.00 95.89
Outlet Invert 40.00 96.33
D/S Water Surface Elev 40.00 96.49
Outlet Culvert Top 40.00 98.77
Inlet Culvert Top 69.90 99.13
Inlet Culvert Invert 69.90 96.77
U/S Water Surface Elev 69.90 96.99
U/S Grade Ctrl (Thalweg) 71.90 97.27
U/S Water Surface Elev 71.90 98.09
U/S Thalweg 77.90 97.63
U/S Water Surface Elev 77.90 97.74
U/S Grade Ctrl (Thalweg) 108.90 98.17
U/S Water Surface Elev 108.90 98.39
U/S Thalweg 124.90 99.30
U/S Water Surface Elev 124.90 98.99

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): 0.66
Comments: Trap set upstream above upstream culvert 121_2007

Fish Observations

No fish observations occurred during this survey.

Questions or comments about this report can be directed to dfg.dsf.webmaster@alaska.gov