Jackman Reservoir Dam

High HazardPoor ConditionEmergency Action Plan: Yes

Location

StateNew Hampshire
CountyHillsborough
Nearest CityHILLSBOROUGH
River/StreamNORTH BRANCH CONTOOCOOK RIVER
Coordinates43.11080, -71.94860

Physical Characteristics

Dam TypeEarth
NID Height43 ft
Dam Height43 ft
Dam Length1,844 ft
Year Completed1926 (100 years old)

Storage & Hydraulics

NID Storage12,400 acre-ft
Max Storage12,400 acre-ft
Normal Storage8,747 acre-ft
Surface Area519 acres
Drainage Area63 sq mi

Ownership & Safety

PurposeHydroelectric
OwnerCENTRAL RIVERS POWER NH LLC
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection10/03/2022
Emergency Action PlanYes

Identifiers

NID IDNH00199
Federal IDNH00199
More InfoState Dam Safety Program

Nearby Dams

Steels Pond 2.3 mi Significant Black Pond Dam 3.2 mi Low Hillsborough Sewage Lagoon Dam 3.3 mi Significant Farrar Marsh Dam 4.9 mi Significant Black Fox Pond Dam 5.2 mi Low Gregg Lake Dam 5.2 mi High Antrim Sewage Lagoons Dam 5.7 mi Significant Pioneer Lake Dam 6.0 mi Low Dudley Pond Dam 6.2 mi Low Deering Reservoir Dam 6.8 mi High