Pleasant Lake Dam
Pleasant Lake Dam is an earth dam located in Rockingham County, New Hampshire, built in 1921. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Pleasant Lake Dam
The primary purpose of Pleasant Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nh Des Water Division (state). It impounds the Tr Little Suncook River near Deerfield.
The dam stands 7 feet tall and stretches 225 feet across, creates a reservoir covering 478 acres, has a maximum storage capacity of 2,000 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1921, the structure is over a century 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 11/29/2017.
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Location
| State | New Hampshire |
| County | Rockingham |
| Nearest City | Deerfield |
| River/Stream | Tr Little Suncook River |
| Coordinates | 43.20160, -71.27080 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 225 ft |
| Year Completed | 1921 (105 years old) |
Storage & Hydraulics
| NID Storage | 2,000 acre-ft |
| Max Storage | 2,000 acre-ft |
| Normal Storage | 552 acre-ft |
| Surface Area | 478 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 94 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH DES WATER DIVISION |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/29/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00179 |
| Federal ID | NH00179 |
| More Info | State Dam Safety Program |