Chadwick Meadows Wildlife Ref Dam

Chadwick Meadows Wildlife Ref Dam is an earth dam located in Merrimack County, New Hampshire, built in 1970. It carries a Significant hazard potential classification and has a fair condition assessment.

About Chadwick Meadows Wildlife Ref Dam

The primary purpose of Chadwick Meadows Wildlife Ref Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nh Fish And Game Department (state). It impounds the Lions Brook near Sutton.

The dam stands 47 feet tall and stretches 625 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 4,546 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1970, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 07/07/2021.

At 47 feet, this dam is taller than 92% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: No

Location

StateNew Hampshire
CountyMerrimack
Nearest CitySutton
River/StreamLions Brook
Coordinates43.38523, -71.96600

Physical Characteristics

Dam TypeEarth
NID Height47 ft
Dam Height47 ft
Dam Length625 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage4,546 acre-ft
Max Storage4,546 acre-ft
Normal Storage7 acre-ft
Surface Area4 acres
Drainage Area6 sq mi
Max Discharge1,585 cfs

Ownership & Safety

PurposeRecreation
OwnerNH FISH AND GAME DEPARTMENT
Owner TypeState
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection07/07/2021
Emergency Action PlanNo

Identifiers

NID IDNH01095
Federal IDNH01095
More InfoState Dam Safety Program

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