Fish Passage Site 10103554

Coordinates (dec. deg.): 55.87938°, -133.02913°
Legal Description: C069S081E20
Region: Southeast
Road Name: Coffman Cove Road

Datum: NAD83
Quad Name / ITM: Craig D-4
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: None

Survey Date: Jun 03, 2017

Survey SEA17-CVR05

Observers: Mark Eisenman, Elizabeth Flory, Kelly Petty

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: Yes

Step Pools: No
Construction Year:


Comments: Pond at inlet and outlet, fish observed rising in ponds, no fish caught in traps.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 53.68
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 1.5
Corrugation Width(in.): 4.4
Condition Rating(1-5): 4
Approach Angle: 0.0
Sedimentation At Inlet: Yes
Inlet Substrate: Cobble
Outlet Substrate: Cobble
InletOutlet
Width(ft):10.1 9.7
Height(ft):7.6 7.1
Apron Length(ft):
Water Depth(ft): 2.48
Rustline Height(ft):
Substrate Depth(ft):2.5 2.6
Backwatered?: Yes
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 2.5
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 5.3
Culvert Gradient: 0.46%
Max Slope:
Max Slope Length:
 

Comments: rust line underwater, not measured

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClaySilt/Clay
Subdominant:OrganicOrganic
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 50.0 1.90
Upstream ordinary high water 100.0 1.90
Upstream ordinary high water 150.0 1.90

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 100.00
Outlet Invert 0.00 89.06
D/S Water Surface Elev 0.00 91.54
Outlet Culvert Top 9.00 96.16
Inlet Culvert Top 62.68 96.41
U/S Water Surface Elev 71.68 91.54
Inlet Culvert Invert 71.68 89.02

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): 1.2
Comments: no fish
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.2
Comments: no fish

Fish Observations

No fish observations occurred during this survey.

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