Fenn Dam
Fenn Dam is an earth dam located in Grafton County, New Hampshire, built in 1984. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Fenn Dam
The primary purpose of Fenn Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by David And Michelle Dicienzo (private). It impounds the Tr Clark Brook near Haverhill.
The dam stands 25 feet tall and stretches 494 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 33 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1984, the structure is 42 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 11/05/2020.
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Location
| State | New Hampshire |
| County | Grafton |
| Nearest City | Haverhill |
| River/Stream | Tr Clark Brook |
| Coordinates | 44.07534, -72.01749 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 494 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 33 acre-ft |
| Max Storage | 33 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 507 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | DAVID AND MICHELLE DICIENZO |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 11/05/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00715 |
| Federal ID | NH00715 |
| More Info | State Dam Safety Program |