Whitewater Brook Dam
Whitewater Brook Dam is an earth dam located in Sullivan County, New Hampshire, built in 1968. It carries a High hazard potential classification and has a fair condition assessment.
About Whitewater Brook Dam
The primary purpose of Whitewater Brook Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Claremont (local government). It impounds the Whitewater Brook near Claremont.
The dam stands 95 feet tall and stretches 580 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 650 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1968, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 08/03/2021.
At 95 feet, this dam is taller than 98% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New Hampshire dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New Hampshire |
| County | Sullivan |
| Nearest City | Claremont |
| River/Stream | Whitewater Brook |
| Coordinates | 43.42330, -72.31190 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 95 ft |
| Dam Height | 95 ft |
| Dam Length | 580 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 650 acre-ft |
| Max Storage | 650 acre-ft |
| Normal Storage | 498 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 11,670 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF CLAREMONT |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 08/03/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NH00344 |
| Federal ID | NH00344 |
| More Info | State Dam Safety Program |