Fish Passage Site 20501449

Coordinates (dec. deg.): 61.60473°, -149.51099°
Legal Description: S018N001W32
Region: South Central
Road Name: Church Road

Datum: NAD83
Quad Name / ITM: Anchorage C-7
AWC Stream #:
Stream Name: Meadow Creek

Elevation:

Site Comments: MEADOW LAKES 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 MSB23-MS118

Project Supervisor: Michael Mazzacavallo, Alaska Department of Fish and Game — Anchorage, AK
Observers: Michael Mazzacavallo, Amy LaBarre, Beth Evers

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Inlet perch
  2. Woody Debris
  3. Compound gradient in pipe

Comments: Inlet has large amount of sediment and wood fragements building inside entry, there is a outfall inside the culvert. Inlet is fed by pond. Downstream is mostly marsh, small stream from culvert to marsh.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 214.24
Inlet Type: Flared Inlet
Outlet Type: Flared Inlet
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5): 4
Approach Angle: 0.0
Sedimentation At Inlet: No
Inlet Substrate: Organic
Outlet Substrate: Cobble
InletOutlet
Width(ft):4.3 4.2
Height(ft):2.9 2.6
Apron Length(ft):5.0 4.2
Water Depth(ft): 0.6
Rustline Height(ft):1.1
Substrate Depth(ft):1.6 0.9
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.9
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: 1.50%
Max Slope:
Max Slope Length:
 

Comments: No road measurements taken, human error (11/14/23 KL)
  Culvert Observations:
  1. Inlet perch
  2. Woody Debris
  3. Compound gradient in pipe

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:OrganicCobble
Subdominant:Silt/ClayOrganic
Stream Slope(deg.):1.37
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)
D/S Water Surface Elev 0.00 59.52
D/S Thalweg 0.00 58.85
D/S Thalweg 36.00 59.14
D/S Water Surface Elev 36.00 59.89
Outlet Invert 91.00 60.29
D/S Water Surface Elev 91.00 60.88
Outlet Culvert Top 91.00 62.83
Inlet Culvert Invert 305.24 63.14
U/S Water Surface Elev 305.24 64.02
Inlet Culvert Top 305.24 66.06
U/S Water Surface Elev 325.24 64.01

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

No fish observations occurred during this survey.

Questions or comments about this report can be directed to dfg.dsf.webmaster@alaska.gov