Lower Clark Reservoir
Lower Clark Reservoir is a gravity dam located in Malheur County, Oregon, built in 2004. It carries a Low hazard potential classification.
About Lower Clark Reservoir
Lower Clark Reservoir is a dam in Malheur, Oregon. The dam is owned by Doi Blm (federal). It impounds the U. To Bull Creek.
The dam stands 11 feet tall and stretches 600 feet across, creates a reservoir covering 21 acres, has a maximum storage capacity of 133 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 2004, the structure is relatively new.
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 09/18/2018.
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Location
| State | Oregon |
| County | Malheur |
| River/Stream | U. To Bull Creek |
| Coordinates | 43.15215, -117.78172 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 11 ft |
| Dam Length | 600 ft |
| Year Completed | 2004 (22 years old) |
Storage & Hydraulics
| NID Storage | 133 acre-ft |
| Max Storage | 133 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 579 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 09/18/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00073 |
| Federal ID | OR00073 |
| More Info | State Dam Safety Program |