Upper Pond Dam
Upper Pond Dam is an earth dam located in Litchfield County, Connecticut, built in 1880. It carries a Significant hazard potential classification and has a fair condition assessment.
About Upper Pond Dam
The primary purpose of Upper Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Terryville Fish & Game Club Inc. (private). It impounds the Pequabuck River near Plymouth.
The dam stands 20 feet tall and stretches 175 feet across, creates a reservoir covering 5 acres, and collects water from a drainage area of 1 square miles. Completed in 1880, the structure is over a century old.
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 06/02/2017.
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Location
| State | Connecticut |
| County | Litchfield |
| Nearest City | Plymouth |
| River/Stream | Pequabuck River |
| Coordinates | 41.68516, -73.02147 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 175 ft |
| Year Completed | 1880 (146 years old) |
Storage & Hydraulics
| Surface Area | 5 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Terryville Fish & Game Club Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 06/02/2017 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00282 |
| Federal ID | CT00282 |
| More Info | State Dam Safety Program |