Whittemore Lake Dam
Key Takeaway
Whittemore Lake Dam is classified as low hazard in New Hampshire. It was completed in 1886 and is 140 years old. Its primary use is recreation.
Physical Details
| Dam Height | 11 ft (taller than 23.8% in NH) |
| Dam Length | 120 ft |
| Dam Type | Earth |
| Max Storage | 213 acre-ft |
| Normal Storage | 108 acre-ft |
| Surface Area | 41 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 639 cfs |
| Year Completed | 1886 (140 years old) |
| Year Modified | 1982 |
| NID ID | NH00107 |
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
NH FISH AND GAME DEPARTMENT
State Government
Nearby Dams
Powder Mill
Hillsborough, NH
Low Hazard 21 ftMonadnock
Hillsborough, NH
Low Hazard 22 ftPierce
Hillsborough, NH
Low Hazard 12 ftPaper Mill
Hillsborough, NH
Low Hazard 9 ftWildlife Pond Dam
Hillsborough, NH
Unknown 10 ftMonadnock Paper Indust Lag Dam
Hillsborough, NH
Significant Hazard 14 ftAntrim Sewage Lagoons Dam
Hillsborough, NH
Significant Hazard 13 ftOtter Brook Dam
Hillsborough, NH
Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Whittemore Lake Dam?
Whittemore Lake Dam 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 Whittemore Lake Dam?
Whittemore Lake Dam is owned by NH FISH AND GAME DEPARTMENT (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Whittemore Lake Dam built?
Whittemore Lake Dam was completed in 1886, making it 140 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 Whittemore Lake Dam?
Whittemore Lake 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 Whittemore Lake Dam?
Whittemore Lake 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 Whittemore Lake Dam last inspected?
Whittemore Lake Dam was last inspected on April 12, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.