Rainier City Reservoir
Rainier City Reservoir is a timber crib dam located in Columbia County, Oregon, built in 1954. It carries a Significant hazard potential classification.
About Rainier City Reservoir
The primary purpose of Rainier City Reservoir is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Rainier (local government). It impounds the Fox Creek near Rainer.
The dam stands 25 feet tall and stretches 147 feet across, creates a reservoir covering 1 acres, and has a maximum storage capacity of 14 acre-feet. Completed in 1954, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 10/14/2020.
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Location
| State | Oregon |
| County | Columbia |
| Nearest City | Rainer |
| River/Stream | Fox Creek |
| Coordinates | 46.06565, -122.93566 |
Physical Characteristics
| Dam Type | Timber Crib |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 147 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 14 acre-ft |
| Max Storage | 14 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 1 acres |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF RAINIER |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 10/14/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OR01385 |
| Federal ID | OR01385 |
| More Info | State Dam Safety Program |