Grover'S Mill Dam
Key Takeaway
Grover'S Mill Dam is classified as significant hazard in New Jersey. It was completed in 1931 and is 95 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 51.4% in NJ) |
| Dam Length | 430 ft |
| Dam Type | Earth |
| Normal Storage | 150 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 480 cfs |
| Year Completed | 1931 (95 years old) |
| NID ID | NJ00155 |
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
Township of West Windsor
Local Government
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High Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Grover'S Mill Dam?
Grover'S Mill 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 Grover'S Mill Dam?
Grover'S Mill Dam is owned by Township of West Windsor (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grover'S Mill Dam built?
Grover'S Mill Dam was completed in 1931, making it 95 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 Grover'S Mill Dam?
Grover'S Mill Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Grover'S Mill Dam?
Grover'S Mill Dam has a dam height of 15 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 Grover'S Mill Dam last inspected?
Grover'S Mill Dam was last inspected on June 23, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.