Fish Passage Site 20400592
Coordinates (dec. deg.): 61.73861°, -148.90591°
Legal Description: S019N003E15
Region: South Central
Road Name: Jonesville Mine Road
Quad Name / ITM: Anchorage C-6
AWC Stream #:
Stream Name: Eska Creek
Site Comments: At end of DOT maintained road on Eska Creek mainstem, 2nd crossing upstream. Replaced in 2011.
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Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game
— Anchorage, AK
Observers: John Greuey, Abraham Gioffre
Overall Fish Passage Rating:
Step Pools: No
Construction Year: 2011
- None of this type
Comments: Replaced in 2011. **Updated site photos and fish sampling information added from 9/27/16 site visit from 2016 Sampling Unmapped Streams in the MSB project.
|ID: 1||Structure Type: Pipe-arch (Structural steel plate)||Fish Passage Rating:|
|Stream Width Type||Distance From
|Downstream ordinary high water||131.0||22.00|
|Downstream ordinary high water||176.0||18.50|
|Downstream ordinary high water||208.0||19.50|
|D/S Water Surface Elev (water surface elevation used for gradient)||0.00||91.84|
|D/S Water Surface Elev (water surface elevation used for gradient)||184.00||99.18|
|D/S Thalweg (profile point in riffle)||191.00||98.57|
|D/S Water Surface Elev||191.00||99.26|
|Outlet Invert (Outlet invert at enclosure end of mitered pipe on substrate)||250.00||99.43|
|D/S Water Surface Elev (Outlet water surface elev)||250.00||100.43|
|Top of Pipe Outlet||250.00||110.37|
|Inlet Culvert Top||303.60||112.19|
|Inlet Culvert Invert (Inlet invert at enclosure end of mitered pipe on substrate)||303.60||100.53|
|U/S Water Surface Elev (Inlet water surface elev)||303.60||102.54|
|U/S Thalweg (profile pt in riffle)||345.60||104.13|
|U/S Water Surface Elev||345.60||104.39|
- River distance is measured continuously throughout the survey reach along the thalweg of the stream.
- Measured from each end of the crossing along the thalweg of the stream.
Fish Sampling Efforts
No fish sampling occurred during this survey.
|Total Fish Observed:||Fish Measured:||Fork Lengths (mm) Min: Max: Mean:|
|Collected/Observed by Gear Type:|
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