Fountain Lake Dam

Fountain Lake Dam is an earth dam located in New Haven County, Connecticut, built in 1888. It carries a High hazard potential classification and has a fair condition assessment.

About Fountain Lake Dam

The primary purpose of Fountain Lake 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 Ansonia (local government). It impounds the Naugatuck River Tributary near Seymour.

The dam stands 15 feet tall and stretches 300 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 72 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1888, the structure is over a century 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 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 05/21/2018. That was 7 years ago, which is on the longer end for a high-hazard structure.

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 HazardFair ConditionEmergency Action Plan: Yes

Location

StateConnecticut
CountyNew Haven
Nearest CitySeymour
River/StreamNaugatuck River Tributary
Coordinates41.35603, -73.09912

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Height15 ft
Dam Length300 ft
Year Completed1888 (138 years old)

Storage & Hydraulics

NID Storage72 acre-ft
Max Storage72 acre-ft
Normal Storage63 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge138 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCity of Ansonia
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection05/21/2018
Emergency Action PlanYes

Identifiers

NID IDCT00025
Federal IDCT00025
More InfoState Dam Safety Program

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