Fish Passage Improvement site 20303746

Fish Passage Site 20303746

Coordinates (dec. deg.): 60.52770°, -150.98456°
Legal Description: S005N010W14
Region: South Central
Road Name: Messer Street

Datum: NAD83
Quad Name / ITM: Kenai C-3
AWC Stream #: 244-30-10010-2039-3029
Stream Name: Mackey Lake outlet

Elevation:

Site Comments: Stream off of Mackey Lake

Survey Date: Jun 05, 2017

Survey KEN17-DVW01

site photos

Observers: Elise Idle, Maggie Schaffer

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: Yes

Step Pools: No
Construction Year:

Site Observations:

None of this type

Comments: Culvert information and assessment data collected and submitted by USFWS. Northern pike net guard upstream 10 feet from the culvert. Large fish, approximately a foot in length, were spotted in the stream. Possible dollys or trout. Stream had very dramatic turns, downstream was bogged.

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Corrugated steel)

Fish Passage Rating: Green

Length(ft): 32.0

Inlet Type: Projecting

Outlet Type: Projecting

Corrugation Depth(in.): 0.75

Corrugation Width(in.): 3.0

Condition Rating(1-5): 3

Approach Angle: 35.0

Sedimentation At Inlet: No

Inlet Substrate: Silt/Clay

Outlet Substrate: Silt/Clay

	Inlet	Outlet
Width(ft):	6.0	6.0
Height(ft):	3.2	3.2
Apron Length(ft):
Water Depth(ft):		0.18
Rustline Height(ft):	0.7
Substrate Depth(ft):	0.9	0.6

Backwatered?: Yes

Baffles Present: No

Embedded?: No

Outfall Height:

Outfall Type: At Stream Grade

Constriction Ratio: 1.2

Culvert Gradient: 0.00%

Max Slope:

Max Slope Length:

Culvert Observations:

None of this type

Stream Measurements

Stream Substrates	Upstream	Downstream
Dominant:	Silt/Clay	Silt/Clay
Subdominant:	Organic	Organic

Stream Slope(deg.):	1.41
Stream Flow Stage:	Medium

Stream Width Type	Distance From Crossing (ft)	Stream Width (ft)
Downstream ordinary high water	15.0	3.90
Downstream ordinary high water	60.0	3.70
Downstream ordinary high water	98.0	4.10
Upstream ordinary high water	41.0	5.90
Upstream ordinary high water	61.0	4.40
Upstream ordinary high water	94.0	4.80
Upstream ordinary high water	131.0	4.90

Elevations

Locator ID	River Distance (ft)¹	Relative Elevation (ft)
Road Elev		101.89
D/S Thalweg	0.00	96.41
D/S Water Surface Elev	0.00	96.74
D/S Water Surface Elev	35.00	96.87
D/S Thalweg	35.00	96.35
D/S Thalweg	70.00	96.82
D/S Water Surface Elev	70.00	97.15
D/S Water Surface Elev	90.00	96.73
Outlet Invert	90.00	96.55
Outlet Culvert Top	90.00	100.02
Inlet Culvert Top	122.00	100.02
U/S Water Surface Elev	122.00	96.56
Inlet Culvert Invert	122.00	97.14
U/S Water Surface Elev	165.00	97.79
U/S Thalweg	165.00	97.12
U/S Thalweg	196.00	97.34
U/S Water Surface Elev	196.00	97.92
U/S Water Surface Elev	222.00	98.46
U/S Thalweg	222.00	97.80
U/S Thalweg	244.00	97.88
U/S Water Surface Elev	244.00	98.28

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): 1.15

Gear Type: Minnow Trap (B)		Trap Duration(h): 1.5

Fish Observations

Species: juvenile stickleback-unspecified		Life History: Anadromous
Total Fish Observed: 4	Fish Measured: 4	Fork Lengths (mm) Min: 42 Max: 45 Mean: 43
Collected/Observed by Gear Type: Upstream Minnow Trap (1) Downstream Minnow Trap (3)

Photos

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