Nelson Mills Pond Dam

Nelson Mills Pond Dam is an earth dam located in Franklin County, Massachusetts, built in 1937. It carries a Significant hazard potential classification and has a poor condition assessment.

About Nelson Mills Pond Dam

The primary purpose of Nelson Mills Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dorothy W. Bacon;franklin Regional Council Of Governments;northfield, Llc;rosalind G. Tufts Living Trust, Rosalind G. & Nathan Tufts, Jr., Trustees;town Of Northfield (local government). It impounds the Bennett Brook near Northfield.

The dam stands 27 feet tall and stretches 175 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 365 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1937, the structure is well-established, with more than 75 years of service.

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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/05/2019.

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Significant HazardPoor ConditionEmergency Action Plan: No

Location

StateMassachusetts
CountyFranklin
Nearest CityNorthfield
River/StreamBennett Brook
Coordinates42.69097, -72.48617

Physical Characteristics

Dam TypeEarth
NID Height27 ft
Dam Length175 ft
Year Completed1937 (89 years old)

Storage & Hydraulics

NID Storage365 acre-ft
Max Storage365 acre-ft
Normal Storage82 acre-ft
Surface Area18 acres
Drainage Area3 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerDorothy W. Bacon;Franklin Regional Council of Governments;Northfield, LLC;Rosalind G. Tufts Living Trust, Rosalind G. & Nathan Tufts, Jr., Trustees;Town of Northfield
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection06/05/2019
Emergency Action PlanNo

Identifiers

NID IDMA00050
Federal IDMA00050
More InfoState Dam Safety Program

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