Fish Passage Site 20103959
Coordinates (dec. deg.): 62.45800°, -145.53015°
Legal Description: C008N002W23
Region: South Central
Road Name: Pipeline Access Road
Quad Name / ITM: Gulkana B-4
AWC Stream #:
Stream Name: 3 Sisters
Site Comments: PLMP 659.59
Project Supervisor: Kim Clark, ADFG
— Anchorage, AK
Observers: Kirsti Jurica, Nicole Farnham
Overall Fish Passage Rating:
Step Pools: No
- Culvert gradient gray
- Inlet perch
Comments: Poorly aligned with downstream channel. Slightly over steepened inlet. Submitted by Kirsti Jurica with CRWP.
|ID: 1||Structure Type: Circular pipe (Corrugated steel)||Fish Passage Rating:|
Comments: Pipe gradient measured using the top of culvert.
|Stream Width Type||Distance From
|Downstream ordinary high water||8.74|
|Upstream ordinary high water||6.20|
|Upstream ordinary high water||5.10|
|Upstream ordinary high water||6.80|
|U/S Water Surface Elev||0.00||95.84|
|U/S Grade Ctrl (Thalweg)||23.00||95.04|
|U/S Water Surface Elev||23.00||95.68|
|Inlet Culvert Invert||40.00||94.37|
|U/S Water Surface Elev||40.00||95.39|
|Inlet Culvert Top||40.00||99.85|
|Outlet Culvert Top||88.00||99.49|
|D/S Water Surface Elev||88.00||95.31|
|Max Pool Depth||104.00||92.48|
|D/S Water Surface Elev||104.00||95.31|
|D/S Tailcrest or 1st Thalweg||113.00||94.65|
|D/S Water Surface Elev||113.00||95.22|
|D/S Thalweg (smooth glide)||188.00||92.14|
|D/S Water Surface Elev||188.00||94.76|
- 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.
No fish observations occurred during this survey.
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