Pelham Lake Dam

Pelham Lake Dam is a stone dam located in Franklin County, Massachusetts, built in 1850. It carries a Significant hazard potential classification and has a fair condition assessment.

About Pelham Lake Dam

The primary purpose of Pelham 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 Rowe (local government). It impounds the Pelham Brook, Potter Brook, Turtle Brook near Rowe.

The dam stands 14 feet tall and stretches 270 feet across, creates a reservoir covering 71 acres, has a maximum storage capacity of 640 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1850, the structure is one of the older dams in the region, with over a century and a half 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 08/02/2022.

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Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyFranklin
Nearest CityRowe
River/StreamPelham Brook, Potter Brook, Turtle Brook
Coordinates42.69969, -72.89434

Physical Characteristics

Dam TypeStone
NID Height14 ft
Dam Length270 ft
Year Completed1850 (176 years old)

Storage & Hydraulics

NID Storage640 acre-ft
Max Storage640 acre-ft
Normal Storage355 acre-ft
Surface Area71 acres
Drainage Area4 sq mi
Max Discharge460 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerTown of Rowe
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection08/02/2022
Emergency Action PlanYes

Identifiers

NID IDMA00044
Federal IDMA00044
More InfoState Dam Safety Program

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