Grindstone L-M-C Site A-2
Key Takeaway
Grindstone L-M-C Site A-2 is classified as low hazard in Missouri. It was completed in 1990 and is 36 years old. Its primary use is water supply.
Physical Details
| Dam Height | 53 ft (taller than 95.9% in MO) |
| Dam Length | 1,700 ft |
| Dam Type | Earth |
| Max Storage | 3.3K acre-ft |
| Normal Storage | 3.3K acre-ft |
| Surface Area | 177 acres |
| Drainage Area | 21 sq mi |
| Max Discharge | 16,242 cfs |
| Year Completed | 1990 (36 years old) |
| Year Modified | 1990 |
| NID ID | MO12228 |
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
GRINDSTONE L-M-C WTR SD
Local Government
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Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Grindstone L-M-C Site A-2?
Grindstone L-M-C Site A-2 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 Grindstone L-M-C Site A-2?
Grindstone L-M-C Site A-2 is owned by GRINDSTONE L-M-C WTR SD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grindstone L-M-C Site A-2 built?
Grindstone L-M-C Site A-2 was completed in 1990, making it 36 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 Grindstone L-M-C Site A-2?
Grindstone L-M-C Site A-2 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 Grindstone L-M-C Site A-2?
Grindstone L-M-C Site A-2 has a dam height of 53 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 Grindstone L-M-C Site A-2 last inspected?
Grindstone L-M-C Site A-2 was last inspected on March 1, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.