Wildcat No. 1 is an earth dam located in Niobrara County, Wyoming, built in 1953. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 40 ft40 ft tall and 588 ft long, taller than 86% 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 embankment section and the water level is illustrative.
About Wildcat No. 1
The primary purpose of Wildcat No. 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Werner Ranches, LP (private). It impounds the Wildcat Draw near Edgemont, Sd.
The dam stands 40 feet tall and stretches 588 feet across, creates a reservoir covering 19 acres, and has a maximum storage capacity of 327 acre-feet. Completed in 1953, 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 05/21/2024.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Wyoming |
| County | Niobrara |
| Nearest City | Edgemont, Sd |
| River/Stream | Wildcat Draw |
| Coordinates | 43.13361, -104.62833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 588 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 327 acre-ft |
| Max Storage | 327 acre-ft |
| Normal Storage | 215 acre-ft |
| Surface Area | 19 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Werner Ranches, LP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/21/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00730 |
| Federal ID | WY00730 |
| More Info | State Dam Safety Program |