Tract 37
Tract 37 is an earth dam located in Crook County, Wyoming, built in 1976. It carries a Significant hazard potential classification and has a fair condition assessment.
About Tract 37
The primary purpose of Tract 37 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by F. A. Bush, Inc (private). It impounds the No Fk Little Missouri River near Alzada, Mt.
The dam stands 31 feet tall and stretches 1,100 feet across, creates a reservoir covering 302 acres, has a maximum storage capacity of 3,964 acre-feet, and collects water from a drainage area of 130 square miles. Completed in 1976, the structure is 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 09/07/2023.
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Location
| State | Wyoming |
| County | Crook |
| Nearest City | Alzada, Mt |
| River/Stream | No Fk Little Missouri River |
| Coordinates | 44.88833, -104.84028 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 3,964 acre-ft |
| Max Storage | 3,964 acre-ft |
| Normal Storage | 2,454 acre-ft |
| Surface Area | 302 acres |
| Drainage Area | 130 sq mi |
| Max Discharge | 50,486 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | F. A. BUSH, INC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 09/07/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01494 |
| Federal ID | WY01494 |
| More Info | State Dam Safety Program |