Calef Lake Dam
Calef Lake Dam is an earth dam located in Rockingham County, New Hampshire. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Calef Lake Dam
The primary purpose of Calef Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hidden Trails Ventures Inc (private). It impounds the Tr Merrimack River near Auburn.
The dam stands 8 feet tall and stretches 215 feet across, creates a reservoir covering 37 acres, has a maximum storage capacity of 175 acre-feet, and collects water from a drainage area of 1 square miles.
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 05/02/2022.
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Location
| State | New Hampshire |
| County | Rockingham |
| Nearest City | Auburn |
| River/Stream | Tr Merrimack River |
| Coordinates | 42.97440, -71.31830 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 215 ft |
Storage & Hydraulics
| NID Storage | 175 acre-ft |
| Max Storage | 175 acre-ft |
| Normal Storage | 132 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 119 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | HIDDEN TRAILS VENTURES INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/02/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH01021 |
| Federal ID | NH01021 |
| More Info | State Dam Safety Program |