CORPS OF ENGINEERS PROJECT OFFICES
Bonneville Dam Project – CENWP-OP-B
Corps of Engineers
Cascade Locks, OR 97014-0150
541-374-8442
https://www.nwp.usace.army.mil/op/b/
The Dalles/John Day/Willow Creek Project – CENWP-OP-D
Corps of Engineers
PO Box 564
The Dalles, OR 97058-9998
541-298-7652
https://www.nwp.usace.army.mil/op/d/
Rogue River Basin Project – CENWP-OP-R
Corps of Engineers
100 Cole M. Rivers Drive
Trail, OR 97541-9607
541- 878-2255
https://www.nwp.usace.army.mil/op/r/
Willamette Valley Project – CENWP-OP-V
Corps of Engineers
PO Box 429
Lowell, OR 97452-0429
541-937-2131