Spartan/Playfair Park Retention Basins
Key Takeaway
Spartan/Playfair Park Retention Basins is classified as high hazard in Montana. It was completed in 2003 and is 23 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 8 ft (taller than 0.5% in MT) |
| Dam Length | 5,520 ft |
| Dam Type | Earth |
| Max Storage | 150 acre-ft |
| Normal Storage | 116 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 75 cfs |
| Year Completed | 2003 (23 years old) |
| NID ID | MT03856 |
Safety Information
Loss of human life is likely if the dam fails.
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
Frequently Asked Questions
What is the hazard classification of Spartan/Playfair Park Retention Basins?
Spartan/Playfair Park Retention Basins is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Spartan/Playfair Park Retention Basins?
Spartan/Playfair Park Retention Basins is owned by CITY OF MISSOULA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Spartan/Playfair Park Retention Basins built?
Spartan/Playfair Park Retention Basins was completed in 2003, making it 23 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 Spartan/Playfair Park Retention Basins?
Spartan/Playfair Park Retention Basins serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Spartan/Playfair Park Retention Basins?
Spartan/Playfair Park Retention Basins has a dam height of 8 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 Spartan/Playfair Park Retention Basins last inspected?
Spartan/Playfair Park Retention Basins was last inspected on November 21, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.