Bates is an earth dam located in Campbell County, Wyoming, built in 1952. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 30 ft30 ft tall and 185 ft long, taller than 68% 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 Bates
The primary purpose of Bates is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Ryan Land & Livestock, LLC (private). It impounds the Bates Creek near Powderville, Mt.
The dam stands 30 feet tall and stretches 185 feet across, creates a reservoir covering 13 acres, and has a maximum storage capacity of 206 acre-feet. Completed in 1952, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/22/2024.
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Location
| State | Wyoming |
| County | Campbell |
| Nearest City | Powderville, Mt |
| River/Stream | Bates Creek |
| Coordinates | 44.82667, -105.23944 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 185 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 206 acre-ft |
| Max Storage | 206 acre-ft |
| Normal Storage | 130 acre-ft |
| Surface Area | 13 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Ryan Land & Livestock, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/22/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01021 |
| Federal ID | WY01021 |
| More Info | State Dam Safety Program |