Big Foot Dam
Big Foot Dam is a gravity dam located in Harney County, Oregon, built in 1953. It carries a Low hazard potential classification and has a poor condition assessment.
About Big Foot Dam
The primary purpose of Big Foot Dam 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 Doi Blm (federal). It impounds the Jackass Creek near Frenchglen.
The dam stands 16 feet tall and stretches 503 feet across, has a maximum storage capacity of 250 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1953, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 09/25/2019.
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Location
| State | Oregon |
| County | Harney |
| Nearest City | Frenchglen |
| River/Stream | Jackass Creek |
| Coordinates | 42.92377, -118.97198 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 16 ft |
| Dam Length | 503 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Normal Storage | 160 acre-ft |
| Drainage Area | 5 sq mi |
| Max Discharge | 657 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/25/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00759 |
| Federal ID | OR00759 |
| More Info | State Dam Safety Program |