Watershops Pond Dam

Watershops Pond Dam is a gravity dam located in Hampden County, Massachusetts, built in 1824. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Watershops Pond Dam

The primary purpose of Watershops Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Springfield (local government). It impounds the Mill River near Springfield.

The dam stands 33 feet tall and stretches 105 feet across, creates a reservoir covering 198 acres, has a maximum storage capacity of 2,410 acre-feet, and collects water from a drainage area of 33 square miles. Completed in 1824, the structure is one of the older dams in the region, with over a century and a half of service.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/10/2023.

At 33 feet, this dam is taller than 78% of dams nationwide.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Massachusetts dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyHampden
Nearest CitySpringfield
River/StreamMill River
Coordinates42.09737, -72.56287

Physical Characteristics

Dam TypeGravity
NID Height33 ft
Dam Length105 ft
Year Completed1824 (202 years old)

Storage & Hydraulics

NID Storage2,410 acre-ft
Max Storage2,410 acre-ft
Normal Storage1,730 acre-ft
Surface Area198 acres
Drainage Area33 sq mi
Max Discharge3,700 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerCity of Springfield
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection04/10/2023
Emergency Action PlanYes

Identifiers

NID IDMA00569
Federal IDMA00569
More InfoState Dam Safety Program

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