China Mill Dam

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateNew Hampshire
CountyMerrimack
Nearest CityPEMBROKE
River/StreamSUNCOOK RIVER
Coordinates43.13000, -71.45630

Physical Characteristics

Dam TypeConcrete
NID Height29 ft
Dam Height29 ft
Dam Length275 ft
Year Completed1860 (166 years old)

Storage & Hydraulics

NID Storage33 acre-ft
Max Storage33 acre-ft
Normal Storage22 acre-ft
Surface Area1 acres
Drainage Area259 sq mi
Max Discharge16,770 cfs

Ownership & Safety

PurposeHydroelectric
OwnerNH HYDRO ASSOC
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection11/04/2021
Emergency Action PlanYes

Identifiers

NID IDNH00023
Federal IDNH00023
More InfoState Dam Safety Program

Nearby Dams

Pembroke 0.1 mi Low Webster 0.3 mi Significant Hooksett 2.0 mi Low Campus Drive Dam 2.6 mi Significant Garvins Falls 3.6 mi Low Hayes Marsh Dam 4.2 mi Low Catamount Pond Dam 4.3 mi Low Bear Hill Pond Dam 4.6 mi Low Hall Mountain Marsh Dam 5.3 mi Low Dube Pond Dam 5.3 mi Significant