Fish Passage Site 40501756

Coordinates (dec. deg.): 65.17250°, -147.28764°
Legal Description: F004N002E14
Region: Interior
Road Name: Steese Highway

Datum: WGS84
Quad Name / ITM: Livengood A-1
AWC Stream #:
Stream Name: Chatanika River tributary

Elevation:

Site Comments: DOT#420+88

Survey Date: Jun 16, 2010

Survey EDS10-STS07

Observers: Mark Eisenman, Justin Leon

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient gray
  2. Woody Debris

Comments: This culvert has beaver gates and they are currently clogged with debris that is bending them outward. There was no defined outlet stream found at the time of this survey. No stream widths were taken. No constriction ratio was calculated. The culvert is connecting a pond to another pond.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 104.8
Inlet Type: Flared Inlet
Outlet Type: Flared Inlet
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 3
Approach Angle: 29.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.1 5.0
Height(ft):5.0 5.2
Apron Length(ft):6.8 6.8
Water Depth(ft): 0.25
Rustline Height(ft):0.7
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:
Culvert Gradient: 1.00%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient gray
  2. Woody Debris

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:OrganicOrganic
Subdominant:Silt/ClaySilt/Clay
Stream Slope(deg.):
Stream Flow Stage:Medium

No stream width data available.

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev (Road Surface) 103.45
Misc. (End of Apron) 0.00 91.66
D/S Water Surface Elev (End of Apron Water Surface) 0.00 92.00
D/S Water Surface Elev (Water Surface) 6.80 92.03
Outlet Invert (Bottom of Pipe) 6.80 91.78
Outlet Invert (Top of Pipe) 6.80 96.95
Inlet Culvert Invert (Top of Pipe) 111.60 97.82
Inlet Culvert Invert (Bottom of Pipe) 111.60 92.74
U/S Water Surface Elev (Water Surface) 111.60 92.83
U/S Water Surface Elev (End of Apron Water Surface) 118.40 98.24
Misc. (End of Apron) 118.40 92.67

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
Channel Type: Main Channel (>50% of water flow)
Comments: Fish swirls were seen near trap. Nothing was caught.
 
Gear Type: Minnow Trap (B) Trap Duration(h): 0.66
Channel Type: Main Channel (>50% of water flow)
Comments: Fish swirls were seen near trap. Nothing was caught.
 
Gear Type: Visual Observation, Ground (C)
Comments: Fish swirls seen at traps

Fish Observations

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: Downstream Minnow Trap (0)  Upstream Minnow Trap (0)  
 
Species: general fish observation, no species information Life History: Not Recorded
Total Fish Observed: 2 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Visual Observation, Ground (2)  

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