Fish Passage Site 20601545

Coordinates (dec. deg.): 61.03975°, -151.31818°
Legal Description: S011N012W13
Region: South Central
Road Name: Fish Camp Road

Datum: NAD83
Quad Name / ITM: Tyonek A-4
AWC Stream #: 247-20-10050-2010
Stream Name: Unnamed Tributary to Old Tyonek Creek


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-1545

Project Supervisor: Gillian O'Doherty, ADFG
Observers: Josh Brekken

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:

Site Observations:

  1. Outfall height red

Comments: Photos and information submitted by ADFG HB Josh Brekken from June 20th, 2018 site visit. Road had been repaired since 2016 site assessment and a unpermitted culvert with a 4 foot perch had been installed. According to the trip report, TTCD stated a new road is planned on the west side of Old Tyonek Creek and this culvert and the bridge over Old Tyonek Creek will be removed. Creek empties into Old Tyonek Creek just downstream from crossing.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Baffles Present:
Embedded?: No
Outfall Height:
Outfall Type: Free Fall In To Pool
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:

Comments: Outfall noted as over 4 feet. No fish caught above crossing.

  Culvert Observations:
  1. Outfall height red

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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