Fish Passage Improvement site 20300991

Fish Passage Site 20300991

Coordinates (dec. deg.): 60.51665°, -151.20390°
Legal Description: S005N011W22
Region: South Central
Road Name: Driveway Spenard Builders Supp

Datum: NAD83
Quad Name / ITM: Kenai C-4
AWC Stream #: 244-30-10010-2010
Stream Name: Unnamed

Elevation:

Site Comments: None

Survey Date: Jul 18, 2001

Survey KPCS1-NK035

site photos

Observers: Cecil Rich, Michael Lund

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools:
Construction Year:

Comments: Chain-link fence across inlet causing an inlet control due to vegetation build-up. No defined tailcrest at outlet - very marshy. Upstream level profile, and stream width measurements data missing due to mashy conditions.

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Corrugated Metal)

Fish Passage Rating:

Length(ft): 107.89

Inlet Type: Projecting

Outlet Type:

Corrugation Depth(in.): 0.5

Corrugation Width(in.): 2.6

Condition Rating(1-5):

Approach Angle:

Sedimentation At Inlet:

Inlet Substrate: Sand

Outlet Substrate: Sand

	Inlet	Outlet
Width(ft):	4.1	4.0
Height(ft):	4.07	3.66
Apron Length(ft):
Water Depth(ft):	1.15	1.33
Rustline Height(ft):
Substrate Depth(ft):	0.0	0.0

Backwatered?:

Baffles Present: No

Embedded?: No

Outfall Height: 0.0

Outfall Type:

Constriction Ratio:

Culvert Gradient: 0.15%

Max Slope:

Max Slope Length:

Culvert Observations:

None of this type

Stream Measurements

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

Stream Slope(deg.):
Stream Flow Stage:

Stream Width Type	Distance From Crossing (ft)	Stream Width (ft)
Downstream ordinary high water	10.0	11.60

Elevations

Locator ID	Culvert Number	River Distance (ft)¹	Distance From Crossing (ft)²	Relative Elevation (ft)
D/S Thalweg				86.13
D/S Tailcrest or 1st Thalweg		0.00	11.7	86.91
OHW Left Bank		0.00	11.7	87.68
D/S Water Surface Elev		0.00	11.7	87.68
OHW Left Bank		6.70	5.0	87.77
OHW Left Bank		6.70	5.0	87.77
Max Pool Depth		6.70	5.0	86.13
Outlet Culvert Top	1	11.70	0.0	90.10
Outlet Rustline Height	1	11.70	0.0	87.77
Outlet Invert	1	11.70	0.0	86.44
Outlet Thalweg	1	11.70	0.0	86.48
Road Elev		65.20		105.20
Road Elev		65.20		105.24
Inlet Culvert Top	1	118.70	0.0	90.67
Inlet Rustline Height	1	118.70	0.0	88.40
U/S OHW elevation	1	118.70	0.0	88.55
Inlet Culvert Invert	1	118.70	0.0	86.60
Inlet Thalweg	1	118.70	0.0	86.60
U/S Thalweg	1	118.70	0.0	86.67
U/S Water Surface Elev	1	123.70	5.0	88.21
U/S Thalweg	1	123.70	5.0	84.75

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): 0.5

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

Fish Observations

Species: juvenile Dolly Varden		Life History: Resident
Total Fish Observed: 52	Fish Measured: 16	Fork Lengths (mm) Min: 75 Max: 150 Mean: 94
Collected/Observed by Gear Type: Downstream Minnow Trap (20) Upstream Minnow Trap (32)

Species: juvenile Chinook salmon		Life History: Anadromous
Total Fish Observed: 4	Fish Measured: 2	Fork Lengths (mm) Min: 80 Max: 91 Mean: 85
Collected/Observed by Gear Type: Downstream Minnow Trap (2) Upstream Minnow Trap (2)

Species: juvenile coho salmon		Life History: Anadromous
Total Fish Observed: 79	Fish Measured: 20	Fork Lengths (mm) Min: 62 Max: 122 Mean: 89
Collected/Observed by Gear Type: Downstream Minnow Trap (35) Upstream Minnow Trap (44)

Photos

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