Fish Passage Site 20501182
Coordinates (dec. deg.): 61.70733°, -150.08525°
Legal Description: S019N005W25
Region: South Central
Road Name: Crystal Lake Road
Quad Name / ITM: Tyonek C-1
AWC Stream #:
Stream Name: Rainbow Lake to Long Lake connection
Site Comments: Rainbow Lake to Long Lake connection
arrow to the right of the survey date below to choose a different report for this site.
Project Supervisor: Gillian O'Doherty, ADFG
Observers: Mark Eisenman, Gillian O'Doherty
Overall Fish Passage Rating:
Step Pools: No
Construction Year: 2015
- None of this type
Comments: Culvert replaced July 2015. Nice constructed banks along sides of culvert. All construction sediment control has been removed and banks are starting to green up nicely.
|ID: 1||Structure Type: Circular pipe (Corrugated steel)||Fish Passage Rating:|
Comments: Stream gradient cal
No stream width data available.
|D/S Water Surface Elev||0.00||93.23|
|D/S Grade Ctrl (Thalweg) (Gravel Bar)||38.00||93.29|
|D/S Water Surface Elev||38.00||93.54|
|D/S Thalweg (Middle of outlet riffle)||62.00||93.14|
|D/S Water Surface Elev||62.00||93.58|
|Outlet Invert (On substrate)||83.00||93.18|
|D/S Water Surface Elev||83.00||93.63|
|Outlet Culvert Top||83.00||98.52|
|Inlet Culvert Top||175.90||100.03|
|Inlet Culvert Invert (On substrate, 1st resting)||175.90||94.10|
|U/S Water Surface Elev||175.90||94.62|
|U/S Thalweg (Upstream riffle)||204.90||95.60|
|U/S Water Surface Elev||204.90||95.94|
|U/S Thalweg (Middle of riffle)||254.90||96.74|
|U/S Water Surface Elev||254.90||97.51|
|U/S Grade Ctrl (Thalweg) (Old Beaver dam)||289.90||98.01|
|U/S Water Surface Elev||289.90||98.61|
|U/S Thalweg (Above old beaver dam)||375.90||97.36|
|U/S Water Surface Elev||375.90||98.60|
- 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.
Questions or comments about this report can be directed to firstname.lastname@example.org