Wasel Reservoir Dike

Wasel Reservoir Dike is an earth dam located in Hartford County, Connecticut, built in 1966. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Wasel Reservoir Dike

The primary purpose of Wasel Reservoir Dike 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 City Of New Britain (local government). It impounds the Mattabassett River near Southington.

The dam stands 50 feet tall and stretches 1,375 feet across, creates a reservoir covering 101 acres, has a maximum storage capacity of 3,100 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, 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 12/03/2024.

At 50 feet, this dam is taller than 93% 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 Connecticut 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

StateConnecticut
CountyHartford
Nearest CitySouthington
River/StreamMattabassett River
Coordinates41.62012, -72.82796

Physical Characteristics

Dam TypeEarth
NID Height50 ft
Dam Height50 ft
Dam Length1,375 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage3,600 acre-ft
Max Storage3,100 acre-ft
Normal Storage3,600 acre-ft
Surface Area101 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeWater Supply
OwnerCity of New Britain
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection12/03/2024
Emergency Action PlanYes

Identifiers

NID IDCT00260
Federal IDCT00260S02
More InfoState Dam Safety Program

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