Fish Passage Improvement site 30303084

Fish Passage Site 30303084

Coordinates (dec. deg.): 59.03844°, -158.52621°
Legal Description: S013S055W19
Region: Southwest
Road Name: Kanakanak Road

Datum: NAD83
Quad Name / ITM: Dillingham A-7
AWC Stream #: 325-30-10100-2021
Stream Name: Seven Sisters Creek

Elevation:

Site Comments: Stream and Watershed name changed to local name on 11.24.21

Multiple surveys have been conducted at this site — click on the drop down
arrow to the right of the survey date below to choose a different report for this site.

Survey UPDATE-3084

site photos

Project Supervisor: Gillian O'Doherty, ADFG
Observers:

Overall Fish Passage Rating: Black

Tidal: Yes
Backwatered:

Step Pools:
Construction Year: 2014

Comments: Culvert was replaced June 2014. New photos added from April 2016 visit.

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Structural aluminum plate)

Fish Passage Rating: Black

Length(ft):

Inlet Type: Projecting

Outlet Type: Projecting

Corrugation Depth(in.):

Corrugation Width(in.):

Condition Rating(1-5): 5

Approach Angle:

Sedimentation At Inlet:

Inlet Substrate:

Outlet Substrate:

	Inlet	Outlet
Width(ft):
Height(ft):
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):

Backwatered?:

Baffles Present:

Embedded?: No

Outfall Height:

Outfall Type: At Stream Grade

Constriction Ratio:

Culvert Gradient:

Max Slope:

Max Slope Length:

Comments: Culvert measurements and slope are taken from site plans and have not been verified by project staff. Cuvlert with 16 ft. Culvert height 16ft. Cuvlert length 106 ft. Culvert gradient 0.37%.