Separation is an earth dam located in Sweetwater County, Wyoming, built in 1927. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 13 ft13 ft tall and 50 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 Separation
The primary purpose of Separation is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by S Diamond Ranch, LLC (private). It impounds the Separation Creek.
The dam stands 13 feet tall and stretches 50 feet across, creates a reservoir covering 80 acres, has a maximum storage capacity of 759 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1927, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/11/2023.
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Location
| State | Wyoming |
| County | Sweetwater |
| River/Stream | Separation Creek |
| Coordinates | 41.93528, -107.51111 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 50 ft |
| Year Completed | 1927 (99 years old) |
Storage & Hydraulics
| NID Storage | 759 acre-ft |
| Max Storage | 759 acre-ft |
| Normal Storage | 592 acre-ft |
| Surface Area | 80 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 79 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | S Diamond Ranch, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 08/11/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00393 |
| Federal ID | WY00393 |
| More Info | State Dam Safety Program |