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Blackwater Dam - Dodge Estate Dike

New Hampshire — Merrimack County — BLACKWATER RIVER

Location

StateNew Hampshire
CountyMerrimack
RiverBLACKWATER RIVER
Coordinates43.31472, -71.73357

Physical Characteristics

NID Height18 ft
Dam Height18 ft
Dam Length400 ft
NID Storage93,400 acre-ft
Max Storage93,400 acre-ft
Surface Area1 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentNot Available
EAP StatusYes
Last InspectionOctober 25, 2022
Inspection Frequency5

Dam Information

Year Completed1941
Primary PurposeFlood Risk Reduction
Dam TypeGravity
Owner TypeFederal
OwnerUSACE - New England District
Other NameDry Reservoir

Location Map

About This Dam Record

Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.

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