Cottonwood Lake
Cottonwood Lake is an earth dam located in Lincoln County, Wyoming, built in 1925. It carries a Low hazard potential classification.
About Cottonwood Lake
The primary purpose of Cottonwood Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Usda Fs (federal). It impounds the Cottonwood Creek near Smoot, Wy.
The dam stands 10 feet tall and stretches 90 feet across, creates a reservoir covering 45 acres, has a maximum storage capacity of 240 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1925, the structure is over a century 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 10/10/2017.
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Location
| State | Wyoming |
| County | Lincoln |
| Nearest City | Smoot, Wy |
| River/Stream | Cottonwood Creek |
| Coordinates | 42.63733, -110.81775 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 7 ft |
| Dam Length | 90 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 240 acre-ft |
| Max Storage | 240 acre-ft |
| Normal Storage | 225 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 1 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/10/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01377 |
| Federal ID | WY01377 |
| More Info | State Dam Safety Program |