Fish Passage Improvement site 30303085

Fish Passage Site 30303085

Coordinates (dec. deg.): 59.03891°, -158.52690°
Legal Description: S013S055W19
Region: Southwest
Road Name: Airport 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-3085

site photos

Project Supervisor: Gillian O'Doherty, ADFG
Observers:

Overall Fish Passage Rating: Black

Tidal: Yes
Backwatered:

Step Pools:
Construction Year: 2014

Comments: Site replaced June 2014.

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Corrugated aluminum)

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 have been taken from site plans and have not been verified by project staff. Culvert width 15 ft. Culvert height 15 ft. Culvert length 80 ft. Culvert gradient 0.55%.