Maxwell is an earth dam located in Sheridan County, Wyoming, built in 1901. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 30 ft30 ft tall and 300 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 Maxwell
The primary purpose of Maxwell is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by David T. Claredon Trust, David T. Claredon, Trustee (private). It impounds the East Cat Creek near Birney, Mt.
The dam stands 30 feet tall and stretches 300 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 112 acre-feet. Completed in 1901, 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. 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 06/23/2021.
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Location
| State | Wyoming |
| County | Sheridan |
| Nearest City | Birney, Mt |
| River/Stream | East Cat Creek |
| Coordinates | 44.74820, -106.79980 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 300 ft |
| Year Completed | 1901 (125 years old) |
Storage & Hydraulics
| NID Storage | 112 acre-ft |
| Max Storage | 112 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 10 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | David T. Claredon Trust, David T. Claredon, Trustee |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/23/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00702 |
| Federal ID | WY00702 |
| More Info | State Dam Safety Program |