Petranek
Petranek is an earth dam located in Fergus County, Montana, built in 1938. It carries a Low hazard potential classification.
About Petranek
The primary purpose of Petranek 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 David H. & Barbara Petrenek (private). It impounds the Tr-fargo Coulee.
The dam stands 24 feet tall and stretches 528 feet across, has a maximum storage capacity of 109 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1938, the structure is well-established, with more than 75 years of service.
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.
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Location
| State | Montana |
| County | Fergus |
| Nearest City | None |
| River/Stream | Tr-fargo Coulee |
| Coordinates | 47.45790, -109.09540 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 528 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 109 acre-ft |
| Max Storage | 109 acre-ft |
| Normal Storage | 67 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | DAVID H. & BARBARA PETRENEK |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01031 |
| Federal ID | MT01031 |
| More Info | State Dam Safety Program |