Bagley Brothers is an earth dam located in Platte County, Wyoming, built in 1941. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 733 ft long, taller than 80% 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 Bagley Brothers
The primary purpose of Bagley Brothers is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Graves Ranch, Inc. (private). It impounds the Antelope Creek near Torrington.
The dam stands 35 feet tall and stretches 733 feet across, creates a reservoir covering 22 acres, and has a maximum storage capacity of 326 acre-feet. Completed in 1941, the structure is well-established, with more than 75 years of service.
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 05/06/2021.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Wyoming |
| County | Platte |
| Nearest City | Torrington |
| River/Stream | Antelope Creek |
| Coordinates | 41.89820, -104.94600 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 733 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 326 acre-ft |
| Max Storage | 326 acre-ft |
| Normal Storage | 201 acre-ft |
| Surface Area | 22 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Graves Ranch, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/06/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00043 |
| Federal ID | WY00043 |
| More Info | State Dam Safety Program |