Sheep Springs Dam is a gravity dam located in Adams County, Washington, built in 1906. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 94 ft long, taller than 68% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Sheep Springs Dam
The primary purpose of Sheep Springs Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Jacobharder (private). It impounds the Cow Creek near Hooper.
The dam stands 30 feet tall and stretches 94 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 342 square miles. Completed in 1906, the structure is over a century 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 07/13/2001. That was over 25 years ago.
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Location
| State | Washington |
| County | Adams |
| Nearest City | Hooper |
| River/Stream | Cow Creek |
| Coordinates | 47.07874, -118.25637 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 30 ft |
| Dam Length | 94 ft |
| Year Completed | 1906 (120 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 342 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Jacobharder |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/13/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00440 |
| Federal ID | WA00440 |
| More Info | State Dam Safety Program |