Fish Passage Site 20300882

Coordinates (dec. deg.): 60.14039°, -151.36465°
Legal Description: S001N012W33
Region: South Central
Road Name: Falls Creek Road

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

Elevation:

Site Comments: Location: Falls Creek Rd. Stream: Channel present 50' upstream of the inlet, disappearing into a marsh. No stream flow (no measurements taken); stagnant water with algae and iron fixing bacteria.

Survey Date: Jun 22, 2004

Survey KPC04-1A004

Observers: Mary King, Pam Russell

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Location: Falls Creek Rd. Stream: Channel present 50' upstream of the inlet, disappearing into a marsh. No stream flow (no measurements taken); stagnant water with algae and iron fixing bacteria. Culvert: Pipe condition = 1 (rust interior and exterior, squashed). Embedded-no.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 31.19
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):1.42
Height(ft):1.08
Apron Length(ft):
Water Depth(ft): 0.0
Rustline Height(ft):1.08
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: -0.89
Outfall Type:
Constriction Ratio: 0.29
Culvert Gradient: 3.17%
Max Slope:
Max Slope Length:

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream bank full 50.0 7.33
Upstream bed width 50.0 3.67
Upstream ordinary high water 50.0 4.83

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 98.46
U/S Thalweg 1 98.49
D/S Tailcrest or 1st Thalweg 99.50
OHW Left Bank 99.59
OHW Left Bank 99.79
Outlet Culvert Top (Scratched a line on top of the pipe at the first seam.) 1 100.00
Max Pool Depth 0.00 5.0 99.17
Outlet Invert 1 5.00 0.0 98.70
Road Elev (Road surface) 20.50 101.61
Inlet Culvert Invert 1 36.00 0.0 99.69

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