Denmark Wash is an earth dam located in Sevier County, Utah, built in 1935. It carries a Low hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 900 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Denmark Wash
The primary purpose of Denmark Wash 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 Bureau of Land Management (federal). It impounds the Trib to Sevier River near Aurora.
The dam stands 11 feet tall and stretches 900 feet across, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 25 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.
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 05/05/2021.
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Location
| State | Utah |
| County | Sevier |
| Nearest City | Aurora |
| River/Stream | Trib to Sevier River |
| Coordinates | 38.97517, -111.97076 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Length | 900 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 50 acre-ft |
| Drainage Area | 25 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Bureau of Land Management |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/05/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | UT00376 |
| Federal ID | UT00376 |
| More Info | State Dam Safety Program |