Prevost #2
Prevost #2 is an earth dam located in Richland County, Montana, built in 1943. It carries a Significant hazard potential classification.
About Prevost #2
The primary purpose of Prevost #2 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 Alice M Thomas (private). It impounds the Tr-east Fork Of East Foxcr near Lambert.
The dam stands 18 feet tall and stretches 480 feet across, has a maximum storage capacity of 84 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1943, the structure is well-established, with more than 75 years of service.
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.
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Location
| State | Montana |
| County | Richland |
| Nearest City | Lambert |
| River/Stream | Tr-east Fork Of East Foxcr |
| Coordinates | 47.72790, -104.50370 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 480 ft |
| Year Completed | 1943 (83 years old) |
Storage & Hydraulics
| NID Storage | 84 acre-ft |
| Max Storage | 84 acre-ft |
| Normal Storage | 60 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 550 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | ALICE M THOMAS |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00951 |
| Federal ID | MT00951 |
| More Info | State Dam Safety Program |