Grassy Pond Dam
Low HazardFair ConditionEmergency Action Plan: Not Required
Location
| State | New Hampshire |
| County | Merrimack |
| Nearest City | HOPKINTON |
| River/Stream | INTERMITTENT STREAM |
| Coordinates | 43.21609, -71.77473 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 75 ft |
| Year Completed | 1836 (190 years old) |
Storage & Hydraulics
| NID Storage | 204 acre-ft |
| Max Storage | 204 acre-ft |
| Normal Storage | 79 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 565 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH FISH AND GAME DEPARTMENT |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 03/31/2020 |
| Emergency Action Plan | Not Required |