Locke Lake Dam
Locke Lake Dam is an earth dam located in Belknap County, New Hampshire, built in 1965. It carries a Low hazard potential classification and has a fair condition assessment.
About Locke Lake Dam
The primary purpose of Locke Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Locke Lake Colony Association (private). It impounds the Webster Stream near Barnstead.
The dam stands 12 feet tall and stretches 131 feet across, creates a reservoir covering 146 acres, has a maximum storage capacity of 906 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1965, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 08/11/2022.
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Location
| State | New Hampshire |
| County | Belknap |
| Nearest City | Barnstead |
| River/Stream | Webster Stream |
| Coordinates | 43.37998, -71.24816 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 131 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 906 acre-ft |
| Max Storage | 906 acre-ft |
| Normal Storage | 448 acre-ft |
| Surface Area | 146 acres |
| Drainage Area | 9 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | LOCKE LAKE COLONY ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/11/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00596 |
| Federal ID | NH00596 |
| More Info | State Dam Safety Program |