Sanders Lake Dam #1 North
Key Takeaway
Sanders Lake Dam #1 North is classified as significant hazard in Montana. It was completed in 1913 and is 113 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 10 ft (taller than 3.7% in MT) |
| Dam Length | 270 ft |
| Dam Type | Earth |
| Max Storage | 897 acre-ft |
| Normal Storage | 325 acre-ft |
| Surface Area | 43 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 50 cfs |
| Year Completed | 1913 (113 years old) |
| NID ID | MT01360 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CITY OF MISSOULA
Local Government
Nearby Dams
Glacier Lake Dam
Missoula, MT
Significant Hazard 12 ftLittle Lake
Missoula, MT
Significant Hazard 25 ftBig Lake
Missoula, MT
Significant Hazard 30 ftMckinley Lake
Missoula, MT
Significant Hazard 7 ftPeterson Lake
Missoula, MT
Low Hazard 12 ftJocko
Missoula, MT
High HazardBlack Lake
Missoula, MT
High HazardFrequently Asked Questions
What is the hazard classification of Sanders Lake Dam #1 North?
Sanders Lake Dam #1 North is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Sanders Lake Dam #1 North?
Sanders Lake Dam #1 North is owned by CITY OF MISSOULA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sanders Lake Dam #1 North built?
Sanders Lake Dam #1 North was completed in 1913, making it 113 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 Sanders Lake Dam #1 North?
Sanders Lake Dam #1 North serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sanders Lake Dam #1 North?
Sanders Lake Dam #1 North has a dam height of 10 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.
When was Sanders Lake Dam #1 North last inspected?
Sanders Lake Dam #1 North was last inspected on August 1, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.