Evas Marsh Dam
Evas Marsh Dam is an earth dam located in Hillsborough, New Hampshire, built in 1962. It carries a Low hazard potential classification and has a poor condition assessment.
About Evas Marsh Dam
The primary purpose of Evas Marsh 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 Branch Moose Brook near Hancock.
The dam stands 9 feet tall and stretches 170 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 130 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1962, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 10/03/2019.
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Location
| State | New Hampshire |
| County | Hillsborough |
| Nearest City | Hancock |
| River/Stream | Branch Moose Brook |
| Coordinates | 42.99610, -71.98000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 170 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 130 acre-ft |
| Max Storage | 130 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 133 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH FISH AND GAME DEPARTMENT |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 10/03/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00710 |
| Federal ID | NH00710 |
| More Info | State Dam Safety Program |