#9-249-12 Frog Creek
#9-249-12 Frog Creek is an earth dam located in Weston County, Wyoming, built in 1954. It carries a Low hazard potential classification.
About #9-249-12 Frog Creek
The primary purpose of #9-249-12 Frog Creek is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Usda Fs (federal). It impounds the Frog Creek near Edgemont.
The dam stands 39 feet tall and stretches 965 feet across, has a maximum storage capacity of 295 acre-feet, and collects water from a drainage area of 16 square miles. Completed in 1954, 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. The most recent inspection on record was 05/12/2009. That was over 16 years ago.
At 39 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Wyoming |
| County | Weston |
| Nearest City | Edgemont |
| River/Stream | Frog Creek |
| Coordinates | 43.51444, -104.93041 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 965 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 295 acre-ft |
| Max Storage | 295 acre-ft |
| Normal Storage | 192 acre-ft |
| Drainage Area | 16 sq mi |
| Max Discharge | 3,876 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 05/12/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02111 |
| Federal ID | WY02111 |
| More Info | State Dam Safety Program |