Mercury (Hill)
Key Takeaway
Mercury (Hill) is classified as low hazard in Montana. It was completed in 1941 and is 85 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 12 ft (taller than 9.2% in MT) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Max Storage | 169 acre-ft |
| Normal Storage | 50 acre-ft |
| Drainage Area | 6 sq mi |
| Max Discharge | 180 cfs |
| Year Completed | 1941 (85 years old) |
| NID ID | MT03446 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ROGER D LINCOLN
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Mercury (Hill)?
Mercury (Hill) is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mercury (Hill)?
Mercury (Hill) is owned by ROGER D LINCOLN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mercury (Hill) built?
Mercury (Hill) was completed in 1941, making it 85 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Mercury (Hill)?
Mercury (Hill) serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mercury (Hill)?
Mercury (Hill) has a dam height of 12 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.