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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Location
| State | Connecticut |
| County | Litchfield |
| Nearest City | Waterville |
| River/Stream | Nibbling Brook |
| Coordinates | 41.64455, -73.06193 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 42 ft |
| Year Completed | 1810 (216 years old) |
Storage & Hydraulics
| NID Storage | 63 acre-ft |
| Max Storage | 63 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 356 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Plymouth |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/01/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00284 |
| Federal ID | CT00284 |
| More Info | State Dam Safety Program |