Black Brook Pl-566 Flood Control Dam

Black Brook Pl-566 Flood Control Dam is an earth dam located in Hampden County, Massachusetts, built in 1971. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Black Brook Pl-566 Flood Control Dam

The primary purpose of Black Brook Pl-566 Flood Control Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Town Of Russell (local government). It impounds the Black Brook near Blandford.

The dam stands 60 feet tall and stretches 1,170 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 1,620 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1971, the structure is well into its service life at over 50 years old.

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 11/14/2023.

At 60 feet, this dam is taller than 95% of all dams in the United States.

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 CityBlandford
River/StreamBlack Brook
Coordinates42.20952, -72.88825

Physical Characteristics

Dam TypeEarth
NID Height60 ft
Dam Length1,170 ft
Year Completed1971 (55 years old)

Storage & Hydraulics

NID Storage1,620 acre-ft
Max Storage1,620 acre-ft
Normal Storage74 acre-ft
Surface Area10 acres
Drainage Area2 sq mi
Max Discharge220 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerTown of Russell
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection11/14/2023
Emergency Action PlanYes

Identifiers

NID IDMA01057
Federal IDMA01057
More InfoState Dam Safety Program

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