Fish Passage Site 20401354

Coordinates (dec. deg.): 61.57931°, -149.29241°
Legal Description: S017N001E09
Region: South Central
Road Name: Lower Road

Datum: NAD83
Quad Name / ITM: Anchorage C-7
AWC Stream #: 247-50-10260-2019-3041-4013
Stream Name: Wasilla Creek tributary

Elevation:

Site Comments: Lower Road - near Hyer Road. Stream joins with other tributary, then goes under Hyer Road.

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-MS121

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

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools: No
Construction Year: 2003


Site Observations:

  1. Compound gradient in pipe

Comments: None

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 48.2
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.0
Condition Rating(1-5): 3
Approach Angle: 9.0
Sedimentation At Inlet: No
Inlet Substrate: Sand
Outlet Substrate: Sand
InletOutlet
Width(ft):4.1 4.0
Height(ft):2.45 2.0
Apron Length(ft):
Water Depth(ft):0.0 0.3
Rustline Height(ft):0.55
Substrate Depth(ft):0.9 1.0
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 1.0
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: 1.37%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Compound gradient in pipe

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:OrganicOrganic
Subdominant:Silt/ClaySilt/Clay
Stream Slope(deg.):0.85
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)
Road Elev 100.18
D/S Water Surface Elev 0.00 92.36
D/S Water Surface Elev 20.00 92.45
Outlet Invert 20.00 92.15
Outlet Culvert Top 20.00 94.14
Inlet Culvert Top 68.20 94.80
Inlet Culvert Invert 68.20 92.29
U/S Water Surface Elev 68.20 92.70
U/S Water Surface Elev 98.20 93.19

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