Newland No. 4
Newland No. 4 is an earth dam located in Crook County, Wyoming, built in 1955. It carries a Low hazard potential classification and has a poor condition assessment.
About Newland No. 4
The primary purpose of Newland No. 4 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 Mule Shoe Ranch, Inc (lessee) (private). It impounds the Cow Creek near Belle Fourche, Sd.
The dam stands 22 feet tall and stretches 589 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 133 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 09/11/2025.
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Location
| State | Wyoming |
| County | Crook |
| Nearest City | Belle Fourche, Sd |
| River/Stream | Cow Creek |
| Coordinates | 44.89310, -104.23490 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 21 ft |
| Dam Length | 589 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 133 acre-ft |
| Max Storage | 133 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 12 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | MULE SHOE RANCH, INC (LESSEE) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/11/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01076 |
| Federal ID | WY01076 |
| More Info | State Dam Safety Program |