Halls Pond Dam
Halls Pond Dam is an earth dam located in Windham County, Connecticut, built in 1900. It carries a Significant hazard potential classification and has a fair condition assessment.
About Halls Pond Dam
The primary purpose of Halls Pond 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 Slovik Branch near Eastford.
The dam stands 16 feet tall and stretches 400 feet across, creates a reservoir covering 82 acres, has a maximum storage capacity of 864 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1900, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/09/2023.
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Location
| State | Connecticut |
| County | Windham |
| Nearest City | Eastford |
| River/Stream | Slovik Branch |
| Coordinates | 41.84491, -72.10705 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 400 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 890 acre-ft |
| Max Storage | 864 acre-ft |
| Normal Storage | 890 acre-ft |
| Surface Area | 82 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 550 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Connecticut DEEP |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/09/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00598 |
| Federal ID | CT00598 |
| More Info | State Dam Safety Program |