Fish Passage Site 20300227

Coordinates (dec. deg.): 60.87387°, -149.03754°
Legal Description: S009N002E14
Region: South Central
Road Name: Alaska Railroad

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

Elevation:

Site Comments: NO WATERSHED NAME. POND/MARSH ABOVE (NO UPSTREAM MEASUREMENTS), 2 DOLLY VARDEN OBSERVED ABOVE CULVERT NEAR WATERFALL, SUBMERGED OUTLET

Survey Date: Oct 18, 2004

Survey ANC04-4A227

Observers: Dean Beers, Vic Stanculescu

Overall Fish Passage Rating: Green

Tidal: Yes
Backwatered: No

Step Pools:
Construction Year:


Comments: NO WATERSHED NAME. POND/MARSH ABOVE (NO UPSTREAM MEASUREMENTS), 2 DOLLY VARDEN OBSERVED ABOVE CULVERT NEAR WATERFALL, SUBMERGED OUTLET. Culvert drains northern pond and there is another culvert about 35 feet downstream running under the Seward highway. This site is close to 4A226 but is separated by an access road.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 61.1
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):3.0
Height(ft):3.0
Apron Length(ft):
Water Depth(ft): 3.0
Rustline Height(ft):3.0
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.13
Outfall Type:
Constriction Ratio:
Culvert Gradient: 0.44%
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 95.96
U/S Thalweg 1 96.77
D/S Tailcrest or 1st Thalweg 97.60
OHW Left Bank 98.43
OHW Left Bank 98.60
D/S Thalweg 95.54
Outlet Invert 1 0.00 0.0 95.56
Road Elev 30.50 106.97
Inlet Culvert Invert (TAKEN OFF SUBSTRATE) 1 61.00 0.0 95.83

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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