Fish Passage Site 20703249
Coordinates (dec. deg.): 57.76713°, -152.52919°
Legal Description: S028S020W09
Road Name: Magazine Access Road
Quad Name / ITM: Kodiak D-2
AWC Stream #: 259-21-10120-2011-3121
Stream Name: Battery Creek Tributary
Site Comments: Culvert located at MP 0.3. Creek is an unnamed tributary to Battery Creek. Site is behind a locked Coast Guard gate. Confluence of another small stream 19ft upstream of inlet
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Project Supervisor: Kim Clark, ADFG
— Anchorage, AK
Observers: Kim Clark, Michael Mazzacavallo
Overall Fish Passage Rating:
Step Pools: No
Construction Year: 2019
- Culvert sagging in middle
Comments: Very small wetland stream. Confluence with another small stream 19ft upstream of inlet. Channel gradient was 0.5% upstream of the culvert and 1.16% downstream of the culvert per designs. The designed pipe gradient was 3.25% . There is a slight sag in the middle of middle of the culvert.
|ID: 1||Structure Type: Circular pipe (Corrugated aluminum)||Fish Passage Rating:|
Comments: Top of culvert gradient 2051%. Water Surface Gradient 2.53%. Invert Gradient 2.4%. Culvert dimesions from designs are 13'3"x 6'9"x 63"
|Stream Width Type||Distance From
|Downstream ordinary high water||36.0||2.50|
|Downstream ordinary high water||46.0||3.80|
|Downstream ordinary high water||75.0||2.60|
|Road Elev (road surface)||102.44|
|D/S Water Surface Elev||0.00||95.52|
|D/S Thalweg (bottom of riffle)||10.00||95.42|
|D/S Water Surface Elev||10.00||95.57|
|D/S Water Surface Elev||21.00||96.03|
|D/S Water Surface Elev||25.00||96.05|
|Outlet Culvert Top||25.00||100.00|
|Inlet Culvert Top||75.20||101.26|
|Inlet Culvert Invert||75.20||97.07|
|U/S Water Surface Elev||75.20||97.25|
|U/S Water Surface Elev||81.20||97.36|
|U/S Water Surface Elev||88.80||97.53|
|U/S Thalweg (spring comes in at 19)||95.20||96.98|
|U/S Water Surface Elev||95.20||97.61|
|U/S Thalweg (pool depth)||106.20||96.39|
|U/S Water Surface Elev||106.20||97.59|
|U/S Thalweg (pool crest)||109.20||97.35|
|U/S Water Surface Elev||109.20||97.59|
- 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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