Erramouspe
Erramouspe is an earth dam located in Sublette County, Wyoming, built in 1957. It carries a Low hazard potential classification and has a fair condition assessment.
About Erramouspe
The primary purpose of Erramouspe 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 G & E Livestock Inc. Attn: John Erramouspe (private). It impounds the Elk Wash near Farson.
The dam stands 15 feet tall and stretches 575 feet across, creates a reservoir covering 26 acres, and has a maximum storage capacity of 509 acre-feet. Completed in 1957, the structure is well into its service life at over 50 years 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. 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 08/30/2021.
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Location
| State | Wyoming |
| County | Sublette |
| Nearest City | Farson |
| River/Stream | Elk Wash |
| Coordinates | 42.38120, -109.42810 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 575 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 509 acre-ft |
| Max Storage | 509 acre-ft |
| Normal Storage | 346 acre-ft |
| Surface Area | 26 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | G & E LIVESTOCK INC. ATTN: JOHN ERRAMOUSPE |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/30/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01216 |
| Federal ID | WY01216 |
| More Info | State Dam Safety Program |