Prioritized Crossings

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Prioritized Crossings – 2004 Deep, Goose and Eagle Creeks Fish Passage Assessment

293 total potential barriers were examined in the Deep, Goose, and Eagle Creek watersheds. Of these, 163 potential instream barriers were field surveyed. The remaining 130 possible barriers were not surveyed because they were situated on non-fish bearing and/or headwater reaches. Of the 163 potential barriers that were examined, 76 had some degree of blockage to fish passage (based on methods described in the Final Report). Of these 76 crossings, 37 were complete blockages and 39 were partial blockages. Full fish passage blockage occurs on crossings with jumps greater than 4 feet and a culvert gradient greater than 4%. Partial fish passage blockage occurs in culverts greater than 6 inches in diameter with a slope greater than 0.5% if adequate downstream backwatering is not present.

We prioritized 34 crossings based on habitat quality alone or habitat quality and cost of replacement.

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Prioritized by habitat quality

1. EG084 – Dam, NF Eagle Ck
2. EG009B – Artifical fall, Currin Ck
3. DPD01 – Wiers NF Deep Ck
4. DP026A – Pipe, NF Deep Ck
5. DPD02 – Dam, NF Deep Ck
6. EG008 – Pipes, Currin Ck
7. DPD05Bot – Wiers, Deep Ck
8. DPD05Top – Dam, Deep Ck
9. DP037 – Box culvert, NF Deep Ck
10. DP069 – Pipes, Tickle Ck
11. EG071 – Pipe, Delph Ck
12. DP074 – Pipe & dam, Tickle Ck
13. DP083 – Pipes, Deep Ck
14. DP079 – Box culvert, Tickle Ck
15. DP116 – Box culvert, Tickle Ck
16. EG079 – Pipe, Little Eagle Ck
17. DP056 – Box culvert, Dolan Ck
18. EG009 – Pipes, Currin Ck
19. DPD06 – Dam, Deep Ck
20. EG089 – Pipe, NF Eagle Ck
21. DP061A – Pipe, Tickle Ck
22. EG061 – Pipes, NF Eagle Ck
23. GS002 – Pipe, Goose Ck
24. DP065 – Pipes, Tickle Ck
25. DP126 – Pipe, Tickle Ck
26. DP068BBot – Dam, Tickle Ck
27. GS006B – Pipe, Goose Ck
28. GS006A – Pipe & bridge, Goose Ck
29. GS007A – Pipe & box culvert, Goose Ck
30. DP076 – Pipe, Tickle Ck
31. EG063 – Pipe, Bear Ck
32. DP081 – Pipes, Tickle Ck
33. EG079C – Pipe, Little Eagle Ck
34. DP154 – Pipe, Tickle Ck

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Prioritized by habitat quality/replacement cost

1. EG084 – Dam, NF Eagle Ck
2. DPD01 – Wiers NF Deep Ck
3. DPD05Bot – Wiers, Deep Ck
4. DP074 – Pipe & dam, Tickle Ck
5. DP069 – Pipes, Tickle Ck
6. EG009 – Pipes, Currin Ck
7. EG009B – Artifical fall, Currin Ck
8. DPD02 – Dam, NF Deep Ck
9. GS006A – Pipe & bridge, Goose Ck
10. DP056 – Box culvert, Dolan Ck
11. GS002 – Pipe, Goose Ck
12. EG071 – Pipe, Delph Ck
13. GS006B – Pipe, Goose Ck
14. DP154 – Pipe, Tickle Ck
15. EG079 – Pipe, Little Eagle Ck
16. EG079C – Pipe, Little Eagle Ck
17. DP083 – Pipes, Deep Ck
18. DP081 – Pipes, Tickle Ck
19. DP026A – Pipe, NF Deep Ck
20. EG008 – Pipes, Currin Ck
21. GS007A – Pipe & box culvert, Goose Ck
22. DP079 – Box culvert, Tickle Ck
23. DP126 – Pipe, Tickle Ck
24. DP065 – Pipes, Tickle Ck
25. EG063 – Pipe, Bear Ck
26. EG089 – Pipe, NF Eagle Ck
27. DP037 – Box culvert, NF Deep Ck
28. EG061 – Pipes, NF Eagle Ck
29. DP061A – Pipe, Tickle Ck
30. DP116 – Box culvert, Tickle Ck
31. DP068BBot – Dam, Tickle Ck
32. DPD05Top – Dam, Deep Ck
33. DPD06 – Dam, Deep Ck
34. DP076 – Pipe, Tickle Ck

[/vc_column_text][/vc_column_inner][/vc_row_inner][vc_row_inner el_class=”container”][vc_column_inner][vc_column_text]For more information or to request a copy of the final report, please contact us at info@clackamasriver.org.[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row]