Pawtuckaway Lake/ Drowns Dike
Pawtuckaway Lake/ Drowns Dike is an earth dam located in Rockingham County, New Hampshire, built in 1842. It carries a Low hazard potential classification and has a poor condition assessment.
About Pawtuckaway Lake/ Drowns Dike
The primary purpose of Pawtuckaway Lake/ Drowns Dike 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 Pawtuckaway Lake near Nottingham.
The dam stands 12 feet tall and stretches 150 feet across, creates a reservoir covering 900 acres, has a maximum storage capacity of 4,320 acre-feet, and collects water from a drainage area of 21 square miles. Completed in 1842, the structure is one of the older dams in the region, with over a century and a half of service.
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 03/26/2020.
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Location
| State | New Hampshire |
| County | Rockingham |
| Nearest City | Nottingham |
| River/Stream | Pawtuckaway Lake |
| Coordinates | 43.10720, -71.12300 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 150 ft |
| Year Completed | 1842 (184 years old) |
Storage & Hydraulics
| NID Storage | 4,320 acre-ft |
| Max Storage | 4,320 acre-ft |
| Normal Storage | 3,564 acre-ft |
| Surface Area | 900 acres |
| Drainage Area | 21 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH DES WATER DIVISION |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 03/26/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH01011 |
| Federal ID | NH01011 |
| More Info | State Dam Safety Program |