Fish Passage Improvement site 20300958

Fish Passage Site 20300958

Coordinates (dec. deg.): 60.73191°, -149.26979°
Legal Description: S007N001E03
Region: South Central
Road Name: Seward Highway

Datum: NAD83
Quad Name / ITM: Seward C-7
AWC Stream #:
Stream Name: Pete's Creek

Elevation:

Site Comments: None

Survey Date: Oct 03, 2001

Survey KPCS1-EK092

site photos

Observers: Cecil Rich, James Maple, Tom Sigurdsson

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools:
Construction Year:

Comments: baffles throughout culvert. Direct current/substrate in zig zag pattern. Rip rap in outlet channel below tailcrest.

Culvert Measurements

ID: 1

Structure Type: Open-bottom arch (Corrugated Metal)

Fish Passage Rating:

Length(ft): 108.4

Inlet Type: Headwall

Outlet Type:

Corrugation Depth(in.): 0.5

Corrugation Width(in.): 3.0

Condition Rating(1-5):

Approach Angle:

Sedimentation At Inlet:

Inlet Substrate: Cobble

Outlet Substrate: Gravel

	Inlet	Outlet
Width(ft):	6.96	6.6
Height(ft):	3.61	3.56
Apron Length(ft):
Water Depth(ft):	0.56	0.6
Rustline Height(ft):
Substrate Depth(ft):

Backwatered?:

Baffles Present:

Embedded?: No

Outfall Height:

Outfall Type:

Constriction Ratio: 0.64

Culvert Gradient:

Max Slope:

Max Slope Length:

Culvert Observations:

None of this type

Stream Measurements

Stream Substrates	Upstream	Downstream
Dominant:	Cobble
Subdominant:	Gravel

Stream Slope(deg.):
Stream Flow Stage:

Stream Width Type	Distance From Crossing (ft)	Stream Width (ft)
Downstream ordinary high water	4.0	13.10
Downstream ordinary high water	50.0	22.70
Downstream ordinary high water	100.0	22.00
Upstream ordinary high water	5.0	17.00
Upstream ordinary high water	48.0	9.70
Upstream ordinary high water	103.0	12.00

Elevations

Locator ID	Culvert Number	River Distance (ft)¹	Distance From Crossing (ft)²	Relative Elevation (ft)
Outlet Culvert Top	1			87.25
D/S Thalweg		0.00	100.0	79.04
D/S Water Surface Elev		0.00	100.0	79.46
D/S OHW Elev		0.00	100.0	79.60
D/S Thalweg		50.00	50.0	81.77
D/S Water Surface Elev		50.00	50.0	82.04
D/S OHW Elev		50.00	50.0	82.60
Max Pool Depth		95.00	5.0	83.69
D/S Thalweg		95.00	5.0	83.69
OHW Left Bank		95.00	5.0	84.37
OHW Left Bank		95.00	5.0	84.54
OHW Left Bank		96.00	4.0	84.54
D/S Tailcrest or 1st Thalweg		96.00	4.0	83.79
D/S Water Surface Elev		96.00	4.0	84.27
Outlet Rustline Height	1	100.00	0.0	84.29
Outlet Thalweg	1	100.00	0.0	83.69
Road Elev		154.00		94.71
Road Elev		154.00		94.81
Inlet Culvert Top	1	208.00	0.0	91.90
Inlet Thalweg	1	208.00	0.0	88.29
Inlet Rustline Height	1	208.00	0.0	88.60
U/S Thalweg	1	209.00	1.0	88.35
U/S Thalweg	1	213.00	5.0	88.71
U/S Water Surface Elev	1	213.00	5.0	89.23
U/S OHW elevation	1	213.00	5.0	89.40
U/S Thalweg	1	221.56	13.56	89.23
U/S Thalweg		256.00	48.0	91.71
U/S Water Surface Elev		256.00	48.0	91.87
U/S Headwater		256.00	48.0	92.00
U/S Thalweg		311.00	103.0	95.40
U/S Water Surface Elev		311.00	103.0	95.94
U/S Headwater		311.00	103.0	96.23

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): 1.35

Gear Type: Minnow Trap (B)		Trap Duration(h): 1.15

Fish Observations

Species: juvenile/adult Dolly Varden		Life History: Resident
Total Fish Observed: 6	Fish Measured: 3	Fork Lengths (mm) Min: 105 Max: 160 Mean: 126
Collected/Observed by Gear Type: Downstream Minnow Trap (6)

Species: no fish collected or observed		Life History: Not Applicable
Total Fish Observed: 0	Fish Measured:	Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Upstream Minnow Trap (0)

Photos

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