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.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateNew Hampshire
CountyRockingham
Nearest CityNottingham
River/StreamPawtuckaway Lake
Coordinates43.10720, -71.12300

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Height12 ft
Dam Length150 ft
Year Completed1842 (184 years old)

Storage & Hydraulics

NID Storage4,320 acre-ft
Max Storage4,320 acre-ft
Normal Storage3,564 acre-ft
Surface Area900 acres
Drainage Area21 sq mi

Ownership & Safety

PurposeRecreation
OwnerNH DES WATER DIVISION
Owner TypeState
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection03/26/2020
Emergency Action PlanNot Required

Identifiers

NID IDNH01011
Federal IDNH01011
More InfoState Dam Safety Program

Nearby Dams