Hoit Road Marsh Dam
Hoit Road Marsh Dam is an earth dam located in Merrimack County, New Hampshire, built in 1968. It carries a Low hazard potential classification and has a poor condition assessment.
About Hoit Road Marsh Dam
The primary purpose of Hoit Road 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 Tr Hackett Brook near Concord.
The dam stands 9 feet tall and stretches 100 feet across, creates a reservoir covering 71 acres, has a maximum storage capacity of 732 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1968, 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 09/29/2017.
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Location
| State | New Hampshire |
| County | Merrimack |
| Nearest City | Concord |
| River/Stream | Tr Hackett Brook |
| Coordinates | 43.29220, -71.52750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 100 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 732 acre-ft |
| Max Storage | 732 acre-ft |
| Normal Storage | 153 acre-ft |
| Surface Area | 71 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 351 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH FISH AND GAME DEPARTMENT |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/29/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00615 |
| Federal ID | NH00615 |
| More Info | State Dam Safety Program |