Chadwick Meadows Wildlife Ref Dam is an earth dam located in Merrimack County, New Hampshire, built in 1970. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 47 ft47 ft tall and 625 ft long, taller than 91% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Chadwick Meadows Wildlife Ref Dam
The primary purpose of Chadwick Meadows Wildlife Ref Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nh Fish and Game Department (state). It impounds the Lions Brook near Sutton.
The dam stands 47 feet tall and stretches 625 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 4,546 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1970, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 07/07/2021.
At 47 feet, this dam is taller than 91% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New Hampshire |
| County | Merrimack |
| Nearest City | Sutton |
| River/Stream | Lions Brook |
| Coordinates | 43.38523, -71.96600 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 625 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 4,546 acre-ft |
| Max Storage | 4,546 acre-ft |
| Normal Storage | 7 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 1,585 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Nh Fish and Game Department |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 07/07/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NH01095 |
| Federal ID | NH01095 |
| More Info | State Dam Safety Program |