4 X is an earth dam located in Sheridan County, Wyoming, built in 1969. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 28 ft28 ft tall and 275 ft long, taller than 62% 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 4 X
The primary purpose of 4 X 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 Sr Cattle Company (private). It impounds the 4 X Draw near Birney Mt.
The dam stands 28 feet tall and stretches 275 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 40 acre-feet. Completed in 1969, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 07/29/2025.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Wyoming |
| County | Sheridan |
| Nearest City | Birney Mt |
| River/Stream | 4 X Draw |
| Coordinates | 44.87440, -106.59420 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 25 ft |
| Dam Length | 275 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Max Storage | 40 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 3 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Sr Cattle Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/29/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00623 |
| Federal ID | WY00623 |
| More Info | State Dam Safety Program |