Blue Grass Lake Dam
Key Takeaway
Blue Grass Lake Dam is classified as significant hazard in Iowa. It was completed in 1974 and is 52 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 28 ft (taller than 36.9% in IA) |
| Dam Length | 850 ft |
| Dam Type | Earth |
| Max Storage | 490 acre-ft |
| Normal Storage | 93 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | IA01970 |
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
Scott County Conservation Board
Local Government
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Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Blue Grass Lake Dam?
Blue Grass Lake Dam 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 Blue Grass Lake Dam?
Blue Grass Lake Dam is owned by Scott County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Blue Grass Lake Dam built?
Blue Grass Lake Dam was completed in 1974, making it 52 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 Blue Grass Lake Dam?
Blue Grass Lake Dam serves the following purposes: Recreation, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Blue Grass Lake Dam?
Blue Grass Lake Dam has a dam height of 28 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 Blue Grass Lake Dam last inspected?
Blue Grass Lake Dam was last inspected on June 17, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.