Fish Passage Site 20400762

Coordinates (dec. deg.): 61.05010°, -149.79404°
Legal Description: S011N003W15
Region: South Central
Road Name: Seward Highway

Datum: NAD83
Quad Name / ITM: Anchorage A-8
AWC Stream #:
Stream Name:

Elevation:

Site Comments: POTTER CREEK WATERSHED

Multiple surveys have been conducted at this site — click on the drop down
arrow to the right of the survey date below to choose a different report for this site.

Survey ANC04-3A160

Observers: Dean Beers, Vic Stanculescu

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: POTTER CREEK WATERSHED, COHO FRY PRESENT IN INLET, SCULPIN OBSERVED AT SITE

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 124.1
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):7.0
Height(ft):7.0
Apron Length(ft):
Water Depth(ft): 0.5
Rustline Height(ft):1.8
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: -0.02
Outfall Type:
Constriction Ratio:
Culvert Gradient: 2.22%
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 81.61
D/S Thalweg 81.61
D/S Tailcrest or 1st Thalweg 82.04
OHW Left Bank 82.67
OHW Left Bank 82.90
U/S Thalweg 1 84.81
Outlet Invert 1 0.00 0.0 82.15
Road Elev 62.00 101.85
Inlet Culvert Invert 1 124.00 0.0 84.91

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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