Souhegan River Site 13 Dam
Key Takeaway
Souhegan River Site 13 Dam is classified as low hazard in New Hampshire. It was completed in 1964 and is 62 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 14 ft (taller than 42.1% in NH) |
| Dam Length | 1,120 ft |
| Dam Type | Earth |
| Max Storage | 278 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,850 cfs |
| Year Completed | 1964 (62 years old) |
| Year Modified | 1981 |
| NID ID | NH00432 |
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 DES WATER DIVISION
State Government
Nearby Dams
Souhegan Site 14 Dam
Hillsborough, NH
High Hazard 28 ftWaterloom Falls
Hillsborough, NH
Low Hazard 18 ftSouhegan River Site 12a South Dam
Hillsborough, NH
High Hazard 38 ftOtis Falls
Hillsborough, NH
Significant Hazard 27 ftSouhegan River Site 12a North Dike
Hillsborough, NH
High Hazard 39 ftSouhegan River Site 19 Dam
Hillsborough, NH
High Hazard 36 ftSouhegan River Site 15 Dam
Hillsborough, NH
Significant Hazard 13 ftSouhegan River Site 35 Dam
Hillsborough, NH
High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Souhegan River Site 13 Dam?
Souhegan River Site 13 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 Souhegan River Site 13 Dam?
Souhegan River Site 13 Dam is owned by NH DES WATER DIVISION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Souhegan River Site 13 Dam built?
Souhegan River Site 13 Dam was completed in 1964, making it 62 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 Souhegan River Site 13 Dam?
Souhegan River Site 13 Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Souhegan River Site 13 Dam?
Souhegan River Site 13 Dam has a dam height of 14 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 Souhegan River Site 13 Dam last inspected?
Souhegan River Site 13 Dam was last inspected on November 20, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.