Minersville - Big Wash Debris
Minersville - Big Wash Debris is an earth dam located in Beaver County, Utah, built in 1967. It carries a Significant hazard potential classification.
About Minersville - Big Wash Debris
The primary purpose of Minersville - Big Wash Debris is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Minersville Reservoir Company & Town (local government). It impounds the Big Wash near None - Drains To Des.
The dam stands 56 feet tall and stretches 3,000 feet across, has a maximum storage capacity of 750 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1967, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 05/24/2023.
At 56 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Utah |
| County | Beaver |
| Nearest City | None - Drains To Des |
| River/Stream | Big Wash |
| Coordinates | 38.18349, -112.93245 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 56 ft |
| Dam Length | 3,000 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 750 acre-ft |
| Max Storage | 750 acre-ft |
| Normal Storage | 520 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 265 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MINERSVILLE RESERVOIR COMPANY & TOWN |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 05/24/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00431 |
| Federal ID | UT00431 |
| More Info | State Dam Safety Program |