Fish Passage Site 20501443

Coordinates (dec. deg.): 61.59412°, -149.63191°
Legal Description: S017N002W04
Region: South Central
Road Name: Pittman Road

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

Elevation:

Site Comments: MEADOW LAKE WATERSHED, SITE IS BETWEEN 2 LAKES

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-ML035

Observers: Gary Greenberg, I S

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: NO UPSTREAM MEASUREMENTS, SITE IS BETWEEN 2 LAKES, OBSERVED STICKLEBACK, TROUT LIKELY. This site has been resurveyed and old survey should be used for historical purposes only.

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 93.0
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.):
Corrugation Width(in.): 3.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):5.0
Height(ft):3.2
Apron Length(ft):
Water Depth(ft):1.1 1.4
Rustline Height(ft):0.9
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: -0.59%
Max Slope:
Max Slope Length:

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 98.16
Max Pool Depth 0.00 5.0 96.06
D/S Thalweg 0.00 5.0 96.06
Outlet Invert 1 5.00 0.0 96.84
Road Elev 51.50 105.73
Inlet Culvert Invert 1 98.00 0.0 96.29
U/S Thalweg 1 108.00 10.0 95.98

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.

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