Greenlawn Avenue Low Head Dam
Key Takeaway
Greenlawn Avenue Low Head Dam is classified as significant hazard in Ohio. It was completed in 1929 and is 97 years old. Its primary use is grade stabilization. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 11 ft (taller than 3.9% in OH) |
| Dam Length | 490 ft |
| Dam Type | Concrete |
| Max Storage | 417 acre-ft |
| Normal Storage | 417 acre-ft |
| Surface Area | 125 acres |
| Drainage Area | 1,564 sq mi |
| Max Discharge | 54,233 cfs |
| Year Completed | 1929 (97 years old) |
| NID ID | OH00744 |
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 Columbus
Local Government
Nearby Dams
Twin Lakes Upper Dam
Franklin, OH
Significant Hazard 25 ftNorth Broadway Low Head Dam
Franklin, OH
Significant Hazard 6 ftParsons Avenue Sludge Lagoons
Franklin, OH
Significant Hazard 28 ftOsu Golf Course Lake Dam
Franklin, OH
Significant Hazard 17 ftJulian Griggs Dam
Franklin, OH
High Hazard 52 ftMinerva Park Lake Dam
Franklin, OH
Low Hazard 19 ftHap Cremean Lagoon #1
Franklin, OH
Significant Hazard 14 ftHap Cremean Lagoon #2
Franklin, OH
Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Greenlawn Avenue Low Head Dam?
Greenlawn Avenue Low Head 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 Greenlawn Avenue Low Head Dam?
Greenlawn Avenue Low Head Dam is owned by City of Columbus (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Greenlawn Avenue Low Head Dam built?
Greenlawn Avenue Low Head Dam was completed in 1929, making it 97 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 Greenlawn Avenue Low Head Dam?
Greenlawn Avenue Low Head Dam serves the following purposes: Grade Stabilization, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Greenlawn Avenue Low Head Dam?
Greenlawn Avenue Low Head Dam has a dam height of 11 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 Greenlawn Avenue Low Head Dam last inspected?
Greenlawn Avenue Low Head Dam was last inspected on December 21, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.