Fish Passage Improvement site 20400593

Fish Passage Site 20400593

Coordinates (dec. deg.): 61.73311°, -148.91859°
Legal Description: S019N003E16
Region: South Central
Road Name: Slipper Lake Road

Datum: NAD83
Quad Name / ITM: Anchorage C-6
AWC Stream #:
Stream Name: Unnamed trib to Matanuska

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 CRB02-JV273

site photos

Observers: Dean Beers, James Laurence, James Laurence

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:

Comments: None

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Corrugated Metal)

Fish Passage Rating:

Length(ft): 44.0

Inlet Type:

Outlet Type:

Corrugation Depth(in.):

Corrugation Width(in.):

Condition Rating(1-5):

Approach Angle:

Sedimentation At Inlet:

Inlet Substrate:

Outlet Substrate:

	Inlet	Outlet
Width(ft):	1.5
Height(ft):	1.5
Apron Length(ft):
Water Depth(ft):		0.1
Rustline Height(ft):	1.0
Substrate Depth(ft):

Backwatered?:

Baffles Present: No

Embedded?: No

Outfall Height:

Outfall Type:

Constriction Ratio:

Culvert Gradient: 5.07%

Max Slope:

Max Slope Length:

Stream Measurements

Stream Substrates	Upstream	Downstream
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)
D/S Tailcrest or 1st Thalweg				87.25
Outlet Invert	1	0.00	0.0	89.81
Outlet Thalweg	1	0.00	0.0	86.96
Inlet Thalweg	1	44.00	0.0	91.97
Inlet Culvert Invert	1	44.00	0.0	92.04

Notes:

River distance is measured continuously throughout the survey reach along the thalweg of the stream.
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.

Photos

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