Wilton Pond Dam

Wilton Pond Dam is an earth dam located in Litchfield County, Connecticut, built in 1810. It carries a Significant hazard potential classification and has a fair condition assessment.

About Wilton Pond Dam

The primary purpose of Wilton Pond 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 Plymouth (local government). It impounds the Nibbling Brook near Waterville.

The dam stands 15 feet tall and stretches 42 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 63 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1810, the structure is one of the older dams in the region, with over a century and a half of service.

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 10/01/2021.

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Significant HazardFair ConditionEmergency Action Plan: No

Location

StateConnecticut
CountyLitchfield
Nearest CityWaterville
River/StreamNibbling Brook
Coordinates41.64455, -73.06193

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Height15 ft
Dam Length42 ft
Year Completed1810 (216 years old)

Storage & Hydraulics

NID Storage63 acre-ft
Max Storage63 acre-ft
Normal Storage42 acre-ft
Surface Area8 acres
Drainage Area1 sq mi
Max Discharge356 cfs

Ownership & Safety

PurposeRecreation
OwnerTown of Plymouth
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection10/01/2021
Emergency Action PlanNo

Identifiers

NID IDCT00284
Federal IDCT00284
More InfoState Dam Safety Program

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