Lake Waramaug Dam

Lake Waramaug Dam is a masonry dam located in Litchfield County, Connecticut. It carries a Significant hazard potential classification and has a fair condition assessment.

About Lake Waramaug Dam

The primary purpose of Lake Waramaug Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Washington (local government). It impounds the East Aspetuck River.

The dam stands 3 feet tall and stretches 50 feet across, creates a reservoir covering 658 acres, has a maximum storage capacity of 3,290 acre-feet, and collects water from a drainage area of 14 square miles.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/13/2024.

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Significant HazardFair ConditionEmergency Action Plan: No

Location

StateConnecticut
CountyLitchfield
River/StreamEast Aspetuck River
Coordinates41.68288, -73.35355

Physical Characteristics

Dam TypeMasonry
NID Height3 ft
Dam Height3 ft
Dam Length50 ft

Storage & Hydraulics

NID Storage3,290 acre-ft
Max Storage3,290 acre-ft
Normal Storage1,974 acre-ft
Surface Area658 acres
Drainage Area14 sq mi

Ownership & Safety

PurposeRecreation
OwnerTown of Washington
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection09/13/2024
Emergency Action PlanNo

Identifiers

NID IDCT01650
Federal IDCT01650
More InfoState Dam Safety Program

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