Elmville Dam
Elmville 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 Elmville Dam
The primary purpose of Elmville 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 Killingly (local government). It impounds the Whetstone Brook near Elmville.
The dam stands 7 feet tall and stretches 200 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 26 acre-feet, and collects water from a drainage area of 13 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. The most recent inspection on record was 09/30/2014. That was over 11 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Connecticut |
| County | Windham |
| Nearest City | Elmville |
| River/Stream | Whetstone Brook |
| Coordinates | 41.83273, -71.87267 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 200 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 26 acre-ft |
| Max Storage | 26 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 13 sq mi |
| Max Discharge | 3,000 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Killingly |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 09/30/2014 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00165 |
| Federal ID | CT00165 |
| More Info | State Dam Safety Program |