Fish Passage Site 20501439

Coordinates (dec. deg.): 61.56609°, -149.89239°
Legal Description: S017N003W18
Region: South Central
Road Name: Lakes Boulevard

Datum: NAD83
Quad Name / ITM: Anchorage C-8
AWC Stream #: 247-50-10330-2050-3007
Stream Name: Meadow Creek Tributary

Elevation:

Site Comments: SUSITNA RIVER 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 MSCS1-CT119

Observers: Edward Weiss, Doug Hill, Joe Conner

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: This site has been replaced and resurveyed.

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Corrugated Metal) Fish Passage Rating: Gray
 
Length(ft): 38.1
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Sand
Outlet Substrate: Cobble
InletOutlet
Width(ft):4.6 4.6
Height(ft):3.0 3.4
Apron Length(ft):
Water Depth(ft):0.3 0.2
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type: Free Fall on To Rip Rap
Constriction Ratio:
Culvert Gradient: 2.99%
Max Slope:
Max Slope Length:
 

Comments: Culv A:outlet short perch;fill spilling into out/inlet,substrate 1/2 way through culvert-none near outlet,2 tailcrests/out pools,1 in fine gravel @ current water level, 2nd large cobble from hi H2O flows trees growing on crest.
  Culvert Observations:
  1. Road Fill (pushed off road by grader)
  2. Cut-slope slumping or sliding into culvert (single event)
  3. Improper bedding
ID: 2 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating: Gray
 
Length(ft):
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Sand
Outlet Substrate: Cobble
InletOutlet
Width(ft):2.0 2.0
Height(ft):2.0 2.0
Apron Length(ft):
Water Depth(ft):0.4 0.0
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type:
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Culv B - no flow.pond upstrm
  Culvert Observations:
  1. Road Fill (pushed off road by grader)
  2. Cut-slope slumping or sliding into culvert (single event)
  3. Improper bedding

Stream Measurements

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

No stream width data available.

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Outlet Culvert Top 2 93.37
Inlet Culvert Top 2 93.60
Outlet Culvert Top 1 93.67
Inlet Culvert Top 1 94.38
D/S Thalweg 0.00 25.0 89.09
D/S Tailcrest or 1st Thalweg 22.60 2.4 90.04
OHW Left Bank 23.60 1.4 89.83
Max Pool Depth 24.20 0.8 89.70
Outlet Thalweg 1 25.00 0.0 89.75
Outlet Thalweg 2 25.00 0.0 91.11
Outlet Invert 2 25.00 0.0 91.26
Outlet Invert 1 25.00 0.0 90.26
Road Elev 44.00 94.71
Road Elev 44.00 95.52
Inlet Culvert Invert 2 63.00 0.0 91.52
Inlet Culvert Invert 1 63.00 0.0 91.40
Inlet Thalweg 1 63.00 0.0 91.40
U/S Thalweg 1 64.30 1.3 91.45
U/S Thalweg 67.00 4.0 90.77
U/S Thalweg 72.00 9.0 89.64

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: Minnow Trap (A) Trap Duration(h): 0
 
Gear Type: Minnow Trap (B) Trap Duration(h): 0

Fish Observations

Species: juvenile/adult stickleback-unspecified Life History: Resident
Total Fish Observed: 2 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (2)  
 
Species: juvenile/adult coho salmon Life History: Anadromous
Total Fish Observed: 18 Fish Measured: 9 Fork Lengths (mm) Min: 63 Max: 95 Mean: 81
Collected/Observed by Gear Type: Downstream Minnow Trap (6)  Upstream Minnow Trap (12)  

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