Winchester Lake Dam
Winchester Lake Dam is an earth dam located in Litchfield County, Connecticut. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Winchester Lake Dam
The primary purpose of Winchester Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Connecticut Deep (state). It impounds the E Br Naugatuck River near Winchester.
The dam stands 23 feet tall and stretches 675 feet across, creates a reservoir covering 250 acres, has a storage capacity of 2,280 acre-feet, and collects water from a drainage area of 2 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 11/09/2021.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Connecticut |
| County | Litchfield |
| Nearest City | Winchester |
| River/Stream | E Br Naugatuck River |
| Coordinates | 41.90783, -73.15168 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 675 ft |
Storage & Hydraulics
| NID Storage | 2,280 acre-ft |
| Normal Storage | 2,280 acre-ft |
| Surface Area | 250 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Connecticut DEEP |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/09/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00105 |
| Federal ID | CT00105 |
| More Info | State Dam Safety Program |