Weaver Reservoir is an earth dam located in Douglas County, Oregon, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 500 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Weaver Reservoir
The primary purpose of Weaver Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Kay,thomas W. & Zelma F. (private). It impounds the Yoncalla Creek (offstream) near Yoncalla.
The dam stands 22 feet tall and stretches 500 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 55 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 10/17/2017.
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Location
| State | Oregon |
| County | Douglas |
| Nearest City | Yoncalla |
| River/Stream | Yoncalla Creek (offstream) |
| Coordinates | 43.54182, -123.30066 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 500 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 450 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Kay,thomas W. & Zelma F. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/17/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00447 |
| Federal ID | OR00447 |
| More Info | State Dam Safety Program |