Donaldson
Donaldson is an earth dam located in Johnson County, Wyoming, built in 1970. It carries a Low hazard potential classification and has a fair condition assessment.
About Donaldson
The primary purpose of Donaldson 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 V Bar F Cattle Company (private). It impounds the Donaldson Draw near Clearmont.
The dam stands 27 feet tall and stretches 235 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 61 acre-feet. Completed in 1970, 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 06/23/2021.
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Location
| State | Wyoming |
| County | Johnson |
| Nearest City | Clearmont |
| River/Stream | Donaldson Draw |
| Coordinates | 44.50580, -106.47570 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 235 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 61 acre-ft |
| Max Storage | 61 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 5 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | V BAR F CATTLE COMPANY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/23/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00626 |
| Federal ID | WY00626 |
| More Info | State Dam Safety Program |