Fish Passage Site 20300200

Coordinates (dec. deg.): 60.91501°, -149.10619°
Legal Description: S010N002E33
Region: South Central
Road Name: SEWARD HIGHWAY

Datum: NAD83
Quad Name / ITM: Seward D-6
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: UNAMED WATERSHED ADJACENT TO SEWARD HIGHWAY, MARSH ABOVE CULVERT INLET.

Survey Date: Oct 07, 2004

Survey ANC04-4A200

Observers: Dean Beers, Vic Stanculescu

Overall Fish Passage Rating: Red

Tidal: Yes
Backwatered: No

Step Pools:
Construction Year:


Comments: UNAMED WATERSHED ADJACENT TO SEWARD HIGHWAY, MARSH ABOVE CULVERT INLET, JUVENILE COHO MORTALITYS FOUND AT CUVERT OUTLET

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 100.7
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 2
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):3.5
Height(ft):3.5
Apron Length(ft):
Water Depth(ft): 0.1
Rustline Height(ft):1.4
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 3.13
Outfall Type:
Constriction Ratio:
Culvert Gradient: 0.55%
Max Slope:
Max Slope Length:

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:

No stream width data available.

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Max Pool Depth 92.13
D/S Thalweg 92.13
D/S Tailcrest or 1st Thalweg 92.75
OHW Left Bank 92.93
U/S Thalweg 1 96.29
Outlet Invert 1 0.00 0.0 95.96
Road Elev 50.00 109.19
Inlet Culvert Invert 1 100.00 0.0 96.51

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: Visual Observation, Ground (A)

Fish Observations

No fish observations occurred during this survey.

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