Kimball Lake Dam

Kimball Lake Dam is an earth dam located in Merrimack County, New Hampshire, built in 1930. It carries a Low hazard potential classification and has a poor condition assessment.

About Kimball Lake Dam

The primary purpose of Kimball Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Hopkinton (local government). It impounds the Kimball Lake near Hopkinton.

The dam stands 7 feet tall and stretches 110 feet across, creates a reservoir covering 27 acres, has a maximum storage capacity of 292 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1930, the structure is well-established, with more than 75 years 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 11/15/2017.

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateNew Hampshire
CountyMerrimack
Nearest CityHopkinton
River/StreamKimball Lake
Coordinates43.18880, -71.66610

Physical Characteristics

Dam TypeEarth
NID Height7 ft
Dam Height7 ft
Dam Length110 ft
Year Completed1930 (96 years old)

Storage & Hydraulics

NID Storage292 acre-ft
Max Storage292 acre-ft
Normal Storage58 acre-ft
Surface Area27 acres
Drainage Area1 sq mi
Max Discharge583 cfs

Ownership & Safety

PurposeRecreation
OwnerTOWN OF HOPKINTON
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection11/15/2017
Emergency Action PlanNot Required

Identifiers

NID IDNH00208
Federal IDNH00208
More InfoState Dam Safety Program

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