Fish Passage Site 20501444

Coordinates (dec. deg.): 61.59164°, -149.66653°
Legal Description: S017N002W05
Region: South Central
Road Name: Meadow Lakes Loop Road

Datum: NAD83
Quad Name / ITM: Anchorage C-8
AWC Stream #: 247-50-10330-2050-3050-4027
Stream Name: Unnamed

Elevation:

Site Comments: Little Meadow Creek Tributary. NEW CULVERT in 2004

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-ML032

Observers: Gary Greenberg, I S

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Comments: NEW CULVERT, ROAD CREW STATED THAT THIS IS A MAT-SU BOROUGH CULVERT AND IS NOT STATE MAINTAINED, COHO FRY OBSERVED AT INLET. This site has been resurveyed and old surveys should be used for historical purposes only.

Culvert Measurements

ID: 1 Structure Type: Open-bottom arch (Strutural Metal Plate) Fish Passage Rating: Green
 
Length(ft):
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.):
Corrugation Width(in.): 6.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):13.0
Height(ft):5.0
Apron Length(ft):
Water Depth(ft):0.7 1.3
Rustline Height(ft):0.0
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: Yes
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio: 1.45
Culvert Gradient:
Max Slope:
Max Slope Length:

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream bed width 75.0 7.50
Upstream bed width 100.0 8.40
Upstream bed width 125.0 7.80
Upstream bed width 150.0 8.40
Upstream ordinary high water 75.0 8.70
Upstream ordinary high water 100.0 9.30
Upstream ordinary high water 125.0 8.60
Upstream ordinary high water 150.0 9.20

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
OHW Left Bank 95.44
OHW Left Bank 95.46
D/S Tailcrest or 1st Thalweg 0.00 28.7 94.13
D/S Thalweg 22.60 6.1 94.14
Max Pool Depth 23.70 5.0 94.18
Outlet Invert 1 28.70 0.0 94.39
Road Elev 68.20 103.62
Inlet Culvert Invert 1 107.70 0.0 95.10
U/S Water Surface Elev 1 124.80 17.1 94.97
U/S Thalweg 1 133.70 26.0 94.00

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: Visual Observation, Ground (A)
Comments: Coho fry observed at inllet

Fish Observations

No fish observations occurred during this survey.

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