Fish Passage Site 30103627

Coordinates (dec. deg.): 51.85125°, -176.65715°
Legal Description: S096S195W22
Region: Southwest
Road Name: Harbor Road

Datum: NAD83
Quad Name / ITM: Adak C-2
AWC Stream #: 306-70-10223
Stream Name: Helmet Creek

Elevation:

Site Comments: None

Survey Date: Sep 16, 2017

Survey ADAK17-C111

Observers: Mark Eisenman, Jeanette Alas

Overall Fish Passage Rating: Gray

Tidal: Yes
Backwatered: No

Step Pools: No
Construction Year:


Comments: This information was gathered as part of the joint reconnaissance level project between the ADF&G Habitat Division and the Fish Passage Assessment Project on Adak Island. Due to time constraints full site assessments were not conducted, but base line information was collected. Oil boom downstream in boat harbor. Half of a coho carcass was observed upstream, no live specimens. Adult pinks observed upstream and downstream of culvert. Helmet Creek empties out in to Sweeper Cove at the fuel dock directly downstream of outlet.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated plastic) Fish Passage Rating: Gray
 
Length(ft): 120.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet: Yes
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):4.4 4.4
Height(ft):4.4 4.4
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: Barnacles at inlet show site gets innundated at high tides. Inlet damage.

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:Medium

No stream width data available.

Elevations

No elevation data available.

Fish Sampling Efforts

Gear Type: Visual Observation, Ground (A)

Fish Observations

Species: adult spawning pink salmon Life History: Anadromous
Total Fish Observed: 10 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: At Site Visual Observation, Ground (10)  
Comments: Adult pink salmon observed upstream and downstream of culvert.

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