Hayes Marsh Dam
Low HazardFair ConditionEmergency Action Plan: Not Required
Location
| State | New Hampshire |
| County | Merrimack |
| Nearest City | ALLENSTOWN |
| River/Stream | CATAMOUNT BROOK |
| Coordinates | 43.13870, -71.37460 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 240 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 279 acre-ft |
| Max Storage | 279 acre-ft |
| Normal Storage | 93 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 243 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH FISH AND GAME DEPARTMENT |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/27/2018 |
| Emergency Action Plan | Not Required |