Fish Passage Site 20501090

Coordinates (dec. deg.): 61.57545°, -149.73589°
Legal Description: S017N003W12
Region: South Central
Road Name: Little Meadow Creek Road

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

Elevation:

Site Comments: None

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 MSB04-ML064

Observers: Gary Greenberg, I S

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient gray
  2. Compound gradient in pipe

Comments: Updated site photos and fish sampling information added from 9/14/16 site visit from Sampling Unmapped Streams in the MSB project. Compound gradient and shallow flow make this pipe likely a barrier at most flows.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating: Gray
 
Length(ft): 60.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.8
Height(ft):4.3
Apron Length(ft):
Water Depth(ft):0.2 0.4
Rustline Height(ft):0.6
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: 0.58%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient gray
  2. Compound gradient in pipe

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)
OHW Left Bank 95.77
OHW Left Bank 95.89
D/S Tailcrest or 1st Thalweg 0.00 4.7 95.34
Max Pool Depth 3.40 1.3 95.20
D/S Thalweg 3.40 1.3 95.20
Outlet Invert 1 4.70 0.0 95.59
Road Elev 34.70 102.42
Inlet Culvert Invert 1 64.70 0.0 95.94
U/S Thalweg 1 72.30 7.6 95.37
U/S Water Surface Elev 1 78.30 13.6 95.85

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

Species: Life History:
Total Fish Observed: Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type:

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