Little Joe Detention is a gravity dam located in Washakie County, Wyoming, built in 2003. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 657 ft long, taller than 50% of U.S. dams with a recorded height. 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 Little Joe Detention
Little Joe Detention is a dam in Washakie, Wyoming. The dam is owned by Doi BLM (federal). It impounds the Hampton Draw Big Horn River near Worland Wy.
The dam stands 25 feet tall and stretches 657 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 204 acre-feet, and collects water from a drainage area of 3,100 square miles. Completed in 2003, the structure is relatively new.
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 08/02/2016. That was over 10 years ago.
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Location
| State | Wyoming |
| County | Washakie |
| Nearest City | Worland Wy |
| River/Stream | Hampton Draw Big Horn River |
| Coordinates | 43.85533, -107.70858 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 25 ft |
| Dam Length | 657 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 204 acre-ft |
| Max Storage | 204 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 3,100 sq mi |
| Max Discharge | 17 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Doi BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 08/02/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01411 |
| Federal ID | WY01411 |
| More Info | State Dam Safety Program |