Fish Passage Improvement site 20300977

Fish Passage Site 20300977

Coordinates (dec. deg.): 60.77508°, -151.09867°
Legal Description: S008N010W19
Region: South Central
Road Name: North Kenai Highway

Datum: NAD83
Quad Name / ITM: Kenai D-3
AWC Stream #: 247-90-10030
Stream Name: Bishop Creek

Elevation:

Site Comments: None

Survey Date: Jun 26, 2001

Survey KPCS1-NK012

site photos

Observers: Cecil Rich, Michael Lund, Tracy Smith

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools:
Construction Year:

Comments: In good shape. Lots of material in culvert.

Culvert Measurements

ID: 1

Structure Type: Closed-bottom arch (Strutural Metal Plate)

Fish Passage Rating:

Length(ft): 117.0

Inlet Type: Mitered

Outlet Type:

Corrugation Depth(in.): 2.0

Corrugation Width(in.): 6.0

Condition Rating(1-5):

Approach Angle:

Sedimentation At Inlet:

Inlet Substrate:

Outlet Substrate: Cobble

	Inlet	Outlet
Width(ft):	13.7	13.7
Height(ft):	8.43	7.46
Apron Length(ft):
Water Depth(ft):	1.02	0.98
Rustline Height(ft):
Substrate Depth(ft):	0.0	0.19

Backwatered?:

Baffles Present: No

Embedded?: No

Outfall Height: -0.33

Outfall Type:

Constriction Ratio: 0.6

Culvert Gradient: 0.32%

Max Slope:

Max Slope Length:

Culvert Observations:

None of this type

Stream Measurements

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

Stream Slope(deg.):
Stream Flow Stage:

Stream Width Type	Distance From Crossing (ft)	Stream Width (ft)
Downstream ordinary high water	19.0	21.90
Downstream ordinary high water	55.0	13.90
Downstream ordinary high water	103.0	20.00
Upstream ordinary high water	5.0	17.10
Upstream ordinary high water	50.0	16.80
Upstream ordinary high water	100.0	29.20

Elevations

Locator ID	Culvert Number	River Distance (ft)¹	Distance From Crossing (ft)²	Relative Elevation (ft)
OHW Left Bank				82.15
D/S OHW Elev		0.00	103.0	82.09
D/S Thalweg		0.00	103.0	80.00
D/S Water Surface Elev		0.00	103.0	81.21
D/S Water Surface Elev		48.00	55.0	81.11
D/S Thalweg		48.00	55.0	80.30
D/S OHW Elev		48.00	55.0	81.92
OHW Left Bank		84.00	19.0	82.10
D/S Tailcrest or 1st Thalweg		84.00	19.0	80.61
D/S Water Surface Elev		84.00	19.0	81.23
OHW Left Bank		98.00	5.0	81.38
Max Pool Depth		98.00	5.0	80.46
D/S Thalweg		98.00	5.0	80.30
Outlet Invert	1	103.00	0.0	80.07
Outlet Thalweg	1	103.00	0.0	80.25
Outlet Rustline Height	1	103.00	0.0	82.19
Outlet Culvert Top	1	103.00	0.0	87.53
Road Elev		161.50		101.63
Road Elev		161.50		101.75
Inlet Rustline Height	1	220.00	0.0	82.12
Inlet Culvert Top	1	220.00	0.0	88.87
Inlet Culvert Invert	1	220.00	0.0	80.44
Inlet Thalweg	1	220.00	0.0	80.44
U/S Thalweg	1	221.00	1.0	78.58
U/S Thalweg	1	225.00	5.0	79.37
U/S Water Surface Elev	1	225.00	5.0	81.42
U/S OHW elevation	1	225.00	5.0	81.92
U/S Thalweg	1	247.40	27.4	80.44
U/S Water Surface Elev		270.00	50.0	81.67
U/S Thalweg		270.00	50.0	80.67
U/S Headwater		270.00	50.0	82.12
U/S Headwater		320.00	100.0	82.52
U/S Water Surface Elev		320.00	100.0	80.73
U/S Thalweg		320.00	100.0	79.77

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): 2.75

Gear Type: Minnow Trap (B)		Trap Duration(h): 2.75

Fish Observations

Species: adult stickleback-unspecified		Life History: Resident
Total Fish Observed: 76	Fish Measured:	Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (32) Upstream Minnow Trap (44)
Comments: more were trapped than were counted

Species: juvenile Chinook salmon		Life History: Anadromous
Total Fish Observed: 4	Fish Measured: 2	Fork Lengths (mm) Min: 73 Max: 81 Mean: 77
Collected/Observed by Gear Type: Downstream Minnow Trap (4)

Species: juvenile coho salmon		Life History: Anadromous
Total Fish Observed: 2	Fish Measured: 1	Fork Lengths (mm) Min: 83 Max: 83 Mean: 83
Collected/Observed by Gear Type: Downstream Minnow Trap (2)

Species: juvenile/adult rainbow trout		Life History: Resident
Total Fish Observed: 13	Fish Measured: 6	Fork Lengths (mm) Min: 86 Max: 121 Mean: 99
Collected/Observed by Gear Type: Downstream Minnow Trap (13)

Species: juvenile rainbow trout		Life History: Resident
Total Fish Observed: 2	Fish Measured: 1	Fork Lengths (mm) Min: 83 Max: 83 Mean: 83
Collected/Observed by Gear Type: Upstream Minnow Trap (2)

Photos

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