Dull
Dull is an earth dam located in Converse County, Wyoming, built in 1937. It carries a Low hazard potential classification and has a fair condition assessment.
About Dull
The primary purpose of Dull is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bridger Cattle Company (private). It impounds the Sheep Creek near Edgemont, Sd.
The dam stands 29 feet tall and stretches 1,550 feet across, creates a reservoir covering 48 acres, and has a maximum storage capacity of 616 acre-feet. Completed in 1937, 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. 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 04/26/2023.
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Location
| State | Wyoming |
| County | Converse |
| Nearest City | Edgemont, Sd |
| River/Stream | Sheep Creek |
| Coordinates | 43.41194, -104.94944 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 1,550 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 616 acre-ft |
| Max Storage | 616 acre-ft |
| Normal Storage | 376 acre-ft |
| Surface Area | 48 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BRIDGER CATTLE COMPANY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/26/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00757 |
| Federal ID | WY00757 |
| More Info | State Dam Safety Program |