Fish Passage Improvement site 20301003

Fish Passage Site 20301003

Coordinates (dec. deg.): 60.45562°, -150.31016°
Legal Description: S004N006W10
Region: South Central
Road Name: Upper Skilak Campground Road

Datum: NAD83
Quad Name / ITM: Kenai B-1
AWC Stream #:
Stream Name:

Elevation:

Site Comments: None

Survey Date: Sep 04, 2001

Survey KPCS1-NK062

site photos

Observers: Cecil Rich, James Maple, William Glick

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): 53.0

Inlet Type: Flared Inlet

Outlet Type:

Corrugation Depth(in.): 0.5

Corrugation Width(in.): 3.0

Condition Rating(1-5):

Approach Angle:

Sedimentation At Inlet:

Inlet Substrate: None

Outlet Substrate: None

	Inlet	Outlet
Width(ft):	3.0	3.0
Height(ft):	2.69	2.98
Apron Length(ft):
Water Depth(ft):	0.5	2.75
Rustline Height(ft):
Substrate Depth(ft):	0.0	0.0

Backwatered?:

Baffles Present: No

Embedded?: No

Outfall Height: 2.56

Outfall Type:

Constriction Ratio: 0.44

Culvert Gradient: 2.04%

Max Slope:

Max Slope Length:

Culvert Observations:

None of this type

Stream Measurements

Stream Substrates	Upstream	Downstream
Dominant:	Gravel	Gravel
Subdominant:	Gravel	Cobble

Stream Slope(deg.):
Stream Flow Stage:

Stream Width Type	Distance From Crossing (ft)	Stream Width (ft)
Downstream ordinary high water	8.0	9.50
Downstream ordinary high water	23.0	7.80
Downstream ordinary high water	35.0	4.00
Upstream ordinary high water	5.0	6.30
Upstream ordinary high water	50.0	7.10
Upstream ordinary high water	91.0	6.50

Elevations

Locator ID	Culvert Number	River Distance (ft)¹	Distance From Crossing (ft)²	Relative Elevation (ft)
D/S Thalweg		0.00	35.0	89.35
D/S Water Surface Elev		0.00	35.0	89.50
D/S OHW Elev		0.00	35.0	89.92
D/S OHW Elev		12.00	23.0	90.33
D/S Thalweg		12.00	23.0	89.67
D/S Water Surface Elev		12.00	23.0	89.90
D/S Tailcrest or 1st Thalweg		27.00	8.0	90.52
D/S Water Surface Elev		27.00	8.0	90.65
OHW Left Bank		27.00	8.0	90.92
OHW Left Bank		30.00	5.0	90.65
Max Pool Depth		30.00	5.0	89.37
D/S Thalweg		30.00	5.0	89.37
OHW Left Bank		30.00	5.0	90.90
Outlet Culvert Top	1	35.00	0.0	93.44
Outlet Invert	1	35.00	0.0	90.46
Outlet Thalweg	1	35.00	0.0	90.46
Outlet Rustline Height	1	35.00	0.0	90.81
Road Elev		61.50		96.75
Road Elev		61.50		96.94
Inlet Culvert Top	1	88.00	0.0	94.23
Inlet Culvert Invert	1	88.00	0.0	91.54
Inlet Thalweg	1	88.00	0.0	91.54
Inlet Rustline Height	1	88.00	0.0	91.75
U/S Thalweg	1	89.00	1.0	91.15
U/S Thalweg	1	93.00	5.0	91.31
U/S Water Surface Elev	1	93.00	5.0	91.62
U/S OHW elevation	1	93.00	5.0	91.90
U/S Thalweg	1	94.00	6.0	91.50
U/S Water Surface Elev		138.00	50.0	92.14
U/S Headwater		138.00	50.0	92.52
U/S Thalweg		138.00	50.0	91.85
U/S Thalweg		179.00	91.0	92.71
U/S Water Surface Elev		179.00	91.0	93.16
U/S Headwater		179.00	91.0	93.64

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

Gear Type: Minnow Trap (A)		Trap Duration(h): 1.1

Gear Type: Minnow Trap (B)		Trap Duration(h): 0.55

Fish Observations

Species: adult stickleback-unspecified		Life History: Resident
Total Fish Observed: 33	Fish Measured:	Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (33)

Species: juvenile coho salmon		Life History: Anadromous
Total Fish Observed: 2	Fish Measured: 1	Fork Lengths (mm) Min: 40 Max: 40 Mean: 40
Collected/Observed by Gear Type: Downstream Minnow Trap (2)

Species: adult sculpin-unspecified		Life History: Resident
Total Fish Observed: 37	Fish Measured:	Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (16) Upstream Minnow Trap (21)

Photos

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