Avery Flood Control Site #2 Dam

Avery Flood Control Site #2 Dam is an earth dam located in Hartford County, Connecticut, built in 1993. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Avery Flood Control Site #2 Dam

The primary purpose of Avery Flood Control Site #2 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Connecticut Deep (state). It impounds the Wells Brook near Vernon Tolland Tpk.

The dam stands 25 feet tall and stretches 350 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1993, the structure is 33 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 04/25/2023.

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 CityVernon Tolland Tpk
River/StreamWells Brook
Coordinates41.83400, -72.51700

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height23 ft
Dam Length350 ft
Year Completed1993 (33 years old)

Storage & Hydraulics

NID Storage150 acre-ft
Max Storage150 acre-ft
Surface Area12 acres
Drainage Area0 sq mi
Max Discharge95 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerConnecticut DEEP
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection04/25/2023
Emergency Action PlanYes

Identifiers

NID IDCT05001
Federal IDCT05001
More InfoState Dam Safety Program

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