Broken Jaw Stock is an earth dam located in Campbell County, Wyoming, built in 1955. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 40 ft40 ft tall and 280 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 Broken Jaw Stock
The primary purpose of Broken Jaw Stock is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Floyd Land & Livestock, Inc. (private). It impounds the Bull Creek near Arvada.
The dam stands 40 feet tall and stretches 280 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 50 acre-feet. Completed in 1955, 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 07/11/2023.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Wyoming |
| County | Campbell |
| Nearest City | Arvada |
| River/Stream | Bull Creek |
| Coordinates | 44.45028, -105.95417 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 280 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 3 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Floyd Land & Livestock, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/11/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00489 |
| Federal ID | WY00489 |
| More Info | State Dam Safety Program |