Fish Passage Site 20300953

Coordinates (dec. deg.): 60.81739°, -149.43186°
Legal Description: S008N001W03
Region: South Central
Road Name: Hope Highway FH 14

Datum: NAD83
Quad Name / ITM: Seward D-7
AWC Stream #:
Stream Name: Alder Creek

Elevation:

Site Comments: None

Survey Date: Sep 13, 2001

Survey KPCS1-EK077

Observers: Cecil Rich, William Glick, James Maple

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Riffle through culvert - no outlet pool

Culvert Measurements

ID: 1 Structure Type: Open-bottom arch (Strutural Metal Plate) Fish Passage Rating:
 
Length(ft): 48.0
Inlet Type: Headwall
Outlet Type:
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Boulder
Outlet Substrate: None
InletOutlet
Width(ft):13.0 13.0
Height(ft):7.48 7.71
Apron Length(ft):
Water Depth(ft):0.79 0.13
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: -1.03
Outfall Type:
Constriction Ratio: 0.88
Culvert Gradient: 5.33%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:BoulderBoulder
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 4.0 13.20
Downstream ordinary high water 50.0 14.00
Downstream ordinary high water 100.0 15.00
Upstream ordinary high water 5.0 22.90
Upstream ordinary high water 50.0 15.00
Upstream ordinary high water 100.0 14.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 0.00 100.0 78.87
D/S Water Surface Elev 0.00 100.0 79.40
D/S OHW Elev 0.00 100.0 80.56
D/S Thalweg 50.00 50.0 81.62
D/S Water Surface Elev 50.00 50.0 82.50
D/S OHW Elev 50.00 50.0 83.17
Max Pool Depth 95.00 5.0 84.21
D/S Thalweg 95.00 5.0 84.21
OHW Left Bank 95.00 5.0 85.37
OHW Left Bank 95.00 5.0 85.71
OHW Left Bank 96.00 4.0 85.73
D/S Tailcrest or 1st Thalweg 96.00 4.0 84.56
D/S Water Surface Elev 96.00 4.0 85.37
Outlet Culvert Top 1 100.00 0.0 91.92
Outlet Rustline Height 1 100.00 0.0 86.00
Outlet Invert 1 100.00 0.0 84.21
Outlet Thalweg 1 100.00 0.0 84.21
Road Elev 124.00 95.98
Road Elev 124.00 96.04
Inlet Culvert Top 1 148.00 0.0 94.25
Inlet Rustline Height 1 148.00 0.0 88.23
Inlet Culvert Invert 1 148.00 0.0 86.77
Inlet Thalweg 1 148.00 0.0 86.77
U/S Thalweg 1 149.00 1.0 86.85
U/S Thalweg 1 153.00 5.0 87.29
U/S Water Surface Elev 1 153.00 5.0 88.06
U/S OHW elevation 1 153.00 5.0 88.85
U/S Thalweg 1 174.00 26.0 88.39
U/S Thalweg 198.00 50.0 89.98
U/S Water Surface Elev 198.00 50.0 90.93
U/S Headwater 198.00 50.0 92.27
U/S Thalweg 248.00 100.0 93.96
U/S Headwater 248.00 100.0 95.10
U/S Water Surface Elev 248.00 100.0 92.23

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.

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