Slough Reservoir is a gravity dam located in Fremont County, Wyoming, built in 1939. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 16 ft16 ft tall and 390 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Slough Reservoir
The primary purpose of Slough Reservoir 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 Doi BLM (federal). It impounds the Woods Gulch.
The dam stands 16 feet tall and stretches 390 feet across, creates a reservoir covering 14 acres, and has a maximum storage capacity of 127 acre-feet. Completed in 1939, 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 07/18/2017.
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Location
| State | Wyoming |
| County | Fremont |
| River/Stream | Woods Gulch |
| Coordinates | 42.47618, -107.90906 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 16 ft |
| Dam Length | 390 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 127 acre-ft |
| Max Storage | 127 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 14 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Doi BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/18/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01996 |
| Federal ID | WY01996 |
| More Info | State Dam Safety Program |