Development No.
2 Dam, also known as Bull Run Reservoir No. 2, is a rockfill dam located in Troutdale, Oregon, on the Bull Run River. Built in 1962 by Stevens & Thompson of Portland, OR, this impressive structure stands at a height of 145 feet and has a hydraulic height of 130 feet. The dam serves primarily as a water supply source, with a storage capacity of 25,000 acre-feet and a normal storage capacity of 21,000 acre-feet.
With a spillway width of 450 feet and a maximum discharge capacity of 69,000 cubic feet per second, Development No. 2 Dam is equipped to handle high hazard potential situations. The dam covers a surface area of 418 acres and is associated with one other structure. Despite its age, the dam's risk assessment is moderate, with a DSAC assigned date yet to be determined. Overall, Development No. 2 Dam stands as a critical piece of infrastructure for water supply and management in the region, showcasing the importance of sustainable water resource development in the face of changing climate conditions.
Wind
Humidity
Year Completed |
1962 |
Dam Length |
900 |
Dam Height |
145 |
River Or Stream |
Bull Run River |
Primary Dam Type |
Rockfill |
Surface Area |
418 |
Hydraulic Height |
130 |
Drainage Area |
102 |
Nid Storage |
25000 |
Structural Height |
145 |
Hazard Potential |
High |
Foundations |
Rock |
Nid Height |
145 |
| Location | Reservations | Toilets |
|---|---|---|
Oxbow Regional Park
|
||
Ainsworth Campground
|
||
Ainsworth State Park
|