Fish (fergus)
Fish (fergus) is an earth dam located in Fergus County, Montana, built in 1963. It carries a Significant hazard potential classification.
About Fish (fergus)
The primary purpose of Fish (fergus) 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 Ayers Ranch Colony (private). It impounds the North Fork Mcdonald Creek near Winnett.
The dam stands 30 feet tall and stretches 600 feet across, has a maximum storage capacity of 171 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1963, the structure is well into its service life at over 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Fergus |
| Nearest City | Winnett |
| River/Stream | North Fork Mcdonald Creek |
| Coordinates | 47.04490, -108.97390 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 600 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 171 acre-ft |
| Max Storage | 171 acre-ft |
| Normal Storage | 99 acre-ft |
| Drainage Area | 4 sq mi |
| Max Discharge | 400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | AYERS RANCH COLONY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00152 |
| Federal ID | MT00152 |
| More Info | State Dam Safety Program |