Twin Springs Dam
Twin Springs Dam is a gravity dam located in Malheur County, Oregon, built in 2004. It carries a Low hazard potential classification and has a fair condition assessment.
About Twin Springs Dam
The primary purpose of Twin Springs 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 Twin Spring Creek near 24 Miles.
The dam stands 26 feet tall and stretches 715 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 110 acre-feet, and collects water from a drainage area of 1 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/23/2020.
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Location
| State | Oregon |
| County | Malheur |
| Nearest City | 24 Miles |
| River/Stream | Twin Spring Creek |
| Coordinates | 43.61890, -117.42230 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 26 ft |
| Dam Length | 715 ft |
| Year Completed | 2004 (22 years old) |
Storage & Hydraulics
| NID Storage | 110 acre-ft |
| Max Storage | 110 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 598 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/23/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR03336 |
| Federal ID | OR03336 |
| More Info | State Dam Safety Program |