Stone No. 1 is an earth dam located in Campbell County, Wyoming, built in 1908. It carries a Low hazard potential classification.
Dam profile
NID height · 9 ft9 ft tall and 1,525 ft long. 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 Stone No. 1
The primary purpose of Stone 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 Contura Wyoming Land LLC (private). It impounds the Bone Pile Creek near Hulett.
The dam stands 9 feet tall and stretches 1,525 feet across, creates a reservoir covering 18 acres, and has a maximum storage capacity of 73 acre-feet. Completed in 1908, 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 07/24/2020.
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Location
| State | Wyoming |
| County | Campbell |
| Nearest City | Hulett |
| River/Stream | Bone Pile Creek |
| Coordinates | 44.12270, -105.49460 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 1,525 ft |
| Year Completed | 1908 (118 years old) |
Storage & Hydraulics
| NID Storage | 73 acre-ft |
| Max Storage | 73 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 18 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Contura Wyoming Land LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/24/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00973 |
| Federal ID | WY00973 |
| More Info | State Dam Safety Program |