Fish Passage Improvement site 20300971

Fish Passage Site 20300971

Coordinates (dec. deg.): 60.47327°, -151.14019°
Legal Description: S004N011W02
Region: South Central
Road Name: Kalifornsky Beach Road

Datum: NAD83
Quad Name / ITM: Kenai B-4
AWC Stream #: 244-30-10010-2030
Stream Name: Slikok Creek

Elevation:

Site Comments: None

Survey Date: Jun 20, 2001

Survey KPCS1-NK006

site photos

Observers: Cecil Rich, Durand Cook, Michael Lund

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools:
Construction Year:

Comments: ***Updated site photos added submitted by Franklin Dekker, USFWS from Oct 2015 site visit, not associated with original assessment.*** Root wad revetment erosion control at inlet and outlet - full head walls. No deep habitat upstream except under culvert (>2 feet deep most N 1 foot) some deeper areas downstream.

Culvert Measurements

ID: 1

Structure Type: Open-bottom arch (Corrugated Metal)

Fish Passage Rating:

Length(ft): 96.0

Inlet Type: Headwall

Outlet Type:

Corrugation Depth(in.): 2.0

Corrugation Width(in.): 6.0

Condition Rating(1-5):

Approach Angle:

Sedimentation At Inlet:

Inlet Substrate: None

Outlet Substrate: None

	Inlet	Outlet
Width(ft):	17.5	17.6
Height(ft):	7.33	9.08
Apron Length(ft):
Water Depth(ft):	1.02	2.45
Rustline Height(ft):
Substrate Depth(ft):	0.0	0.0

Backwatered?:

Baffles Present: No

Embedded?: No

Outfall Height: -0.07

Outfall Type:

Constriction Ratio: 0.64

Culvert Gradient: 1.95%

Max Slope:

Max Slope Length:

Culvert Observations:

None of this type

Stream Measurements

Stream Substrates	Upstream	Downstream
Dominant:	Gravel	Gravel
Subdominant:	None	None

Stream Slope(deg.):
Stream Flow Stage:

Stream Width Type	Distance From Crossing (ft)	Stream Width (ft)
Downstream ordinary high water		19.80
Downstream ordinary high water	74.0	12.90
Downstream ordinary high water	111.5	14.00
Upstream ordinary high water	5.0	24.20
Upstream ordinary high water	50.0	41.80
Upstream ordinary high water	122.0	12.60

Elevations

Locator ID	Culvert Number	River Distance (ft)¹	Distance From Crossing (ft)²	Relative Elevation (ft)
OHW Left Bank				83.87
D/S OHW Elev		0.00	111.5	83.40
D/S Thalweg		0.00	111.5	82.33
D/S Water Surface Elev		0.00	111.5	82.90
D/S Water Surface Elev		37.50	74.0	83.06
D/S Thalweg		37.50	74.0	81.77
D/S OHW Elev		37.50	74.0	83.40
D/S Water Surface Elev		70.50	41.0	83.33
OHW Left Bank		70.50	41.0	83.45
D/S Tailcrest or 1st Thalweg		70.50	41.0	82.29
OHW Left Bank		106.50	5.0	83.17
Max Pool Depth		106.50	5.0	80.62
D/S Thalweg		106.50	5.0	80.62
Outlet Invert	1	111.50	0.0	80.65
Outlet Thalweg	1	111.50	0.0	80.65
Outlet Culvert Top	1	111.50	0.0	89.90
Road Elev		159.50		94.52
Road Elev		159.50		96.60
Inlet Culvert Top	1	207.50	0.0	89.71
Inlet Culvert Invert	1	207.50	0.0	82.52
Inlet Thalweg	1	207.50	0.0	82.52
U/S Thalweg	1	208.50	1.0	80.87
U/S Thalweg	1	212.50	5.0	80.62
U/S Water Surface Elev	1	212.50	5.0	83.25
U/S OHW elevation	1	212.50	5.0	83.87
U/S Thalweg	1	242.50	35.0	82.00
U/S Thalweg		257.50	50.0	83.25
U/S Water Surface Elev		257.50	50.0	83.25
U/S Headwater		257.50	50.0	83.92
U/S Water Surface Elev		329.50	122.0	83.50
U/S Headwater		329.50	122.0	83.71
U/S Thalweg		329.50	122.0	82.42

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): 1.55

Gear Type: Minnow Trap (B)		Trap Duration(h): 2.05

Fish Observations

Species: adult threespine stickleback		Life History: Resident
Total Fish Observed: 8	Fish Measured: 4	Fork Lengths (mm) Min: 56 Max: 67 Mean: 60
Collected/Observed by Gear Type: Downstream Minnow Trap (8)

Species: juvenile coho salmon		Life History: Anadromous
Total Fish Observed: 28	Fish Measured: 13	Fork Lengths (mm) Min: 54 Max: 85 Mean: 69
Collected/Observed by Gear Type: Downstream Minnow Trap (21) Upstream Minnow Trap (7)

Species: juvenile rainbow trout		Life History: Resident
Total Fish Observed: 16	Fish Measured: 8	Fork Lengths (mm) Min: 53 Max: 85 Mean: 68
Collected/Observed by Gear Type: Downstream Minnow Trap (10) Upstream Minnow Trap (6)

Species: juvenile/adult sculpin-unspecified		Life History: Resident
Total Fish Observed: 4	Fish Measured: 2	Fork Lengths (mm) Min: 69 Max: 77 Mean: 73
Collected/Observed by Gear Type: Downstream Minnow Trap (4)

Photos

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