Fish Passage Site 30303081

Coordinates (dec. deg.): 59.00410°, -158.53787°
Legal Description: S013S056W36
Region: Southwest
Road Name: Kanakanak Road

Datum: NAD83
Quad Name / ITM: Dillingham A-7
AWC Stream #: 325-30-10100-2013
Stream Name: Nushagak River tributary


Site Comments: None

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-3081

Project Supervisor: Gillian O'Doherty, ADFG

Overall Fish Passage Rating: Black


Step Pools:
Construction Year: 2013

Comments: Site was replaced in 2013 and needs to be resurveyed. Two 3.5' diameter overflow pipes flank culvert to help take heavy flows.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated aluminum) Fish Passage Rating: Black
Inlet Type:
Outlet Type:
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 4
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Baffles Present: Yes
Embedded?: Maybe
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:

Comments: Culvert measurements and slope taken from site plans and have not been verified by project staff. Plans call for 2 baffles in pipe placed at 3 feet and 10 feet from inlet. Plans also call for 2.4 feet of substrate which would be 20% of the culvert making it embedded. Culvert with 11.5 ft. Culvert height to top of substate 9.1 ft. Substrate depth 2.4ft. Culvert slope 2.4%. Culvert length 145 ft.

Stream Measurements

Stream SubstratesUpstreamDownstream
Stream Slope(deg.):
Stream Flow Stage:

No stream width data available.


No elevation data available.

Fish Sampling Efforts

No fish sampling occurred during this survey.

Fish Observations

No fish observations occurred during this survey.


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