Fish Passage Site 20300928

Coordinates (dec. deg.): 59.27869°, -151.65975°
Legal Description: S010S014W28
Region: South Central
Road Name: Port Graham

Datum: NAD83
Quad Name / ITM: Seldovia B-5
AWC Stream #:
Stream Name:

Elevation:

Site Comments: Location: Port Graham Stream: Channel is very narrow and shallow: depths <.1', intermittent pools with depths of 1'. Substrate is gravel/pebble and some sand.

Survey Date: Aug 18, 2004

Survey KPC04-1A117

Observers: Mary King, Pam Russell

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Location: Port Graham Stream: Channel is very narrow and shallow: depths <.1', intermittent pools with depths of 1'. Substrate is gravel/pebble and some sand. Inlet has a deep sand bar with a pool upstream of it. Outlet had a slight pool. Streambank is rather open with spruce trees and grass. No stream flow, ( no measurements taken). Bank undercut 5-10". Culvert: Pipe condition=1. 100% embedded. The inlet of the pipe had a moon shape cut from the bottom.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 40.5
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):5.42
Height(ft):4.75
Apron Length(ft):
Water Depth(ft): 0.2
Rustline Height(ft):0.92
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: -0.45
Outfall Type:
Constriction Ratio: 3.43
Culvert Gradient: 1.31%
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 bank full 75.0 3.75
Upstream bank full 100.0 3.08
Upstream bank full 125.0 2.08
Upstream bank full 150.0 4.25
Upstream bed width 75.0 1.67
Upstream bed width 100.0 0.83
Upstream bed width 125.0 0.83
Upstream bed width 150.0 0.42
Upstream ordinary high water 75.0 2.92
Upstream ordinary high water 100.0 0.83
Upstream ordinary high water 125.0 0.83
Upstream ordinary high water 150.0 1.75

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 95.67
D/S Tailcrest or 1st Thalweg 95.78
U/S Thalweg 1 95.83
OHW Left Bank 95.86
OHW Left Bank (Sand bar forms a slight tailcrest.) 96.54
Outlet Culvert Top (Orange painted "X" on top of outlet. Measurement taken on 1st full coorugation.) 1 100.00
Max Pool Depth 0.00 5.0 95.76
Outlet Invert (These measurement were taken after excavating for pipe bottom.) 1 5.00 0.0 95.21
Road Elev (Road surface.) 25.00 100.58
Inlet Culvert Invert (These measurement were taken after excavating for pipe bottom.) 1 45.00 0.0 95.74

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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