Fish Passage Site 20303942

Coordinates (dec. deg.): 60.30235°, -149.35635°
Legal Description: S003N001E31
Region: South Central
Road Name: Seward Highway

Datum: WGS84
Quad Name / ITM: Seward B-7
AWC Stream #:
Stream Name: Trib to Snow River


Site Comments: Trib # 5 to Snow River

Survey Date: Jun 24, 2019

Survey UPD20-SRD20A

Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game — Anchorage, AK
Observers: Kim Clark, Lucas Byker

Overall Fish Passage Rating: Black


Step Pools:
Construction Year:

Comments: Information provided by Lucas Byker (ADFG). Upstream flow obstructed by a beaver dam. Dead salmon observed in dry channel upstream of the culvert.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated aluminum) Fish Passage Rating: Black
Inlet Type:
Outlet Type:
Corrugation Depth(in.): 0.25
Corrugation Width(in.): 2.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
Width(ft):3.1 3.1
Height(ft):3.0 3.1
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Baffles Present:
Outfall Height:
Outfall Type:
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:

Comments: Outlet perched 4' above Snow River; likely submerged during high water events.

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.


Questions or comments about this report can be directed to