Kelseytown Reservoir Dam
Kelseytown Reservoir Dam is an earth dam located in Middlesex County, Connecticut, built in 1895. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Kelseytown Reservoir Dam
The primary purpose of Kelseytown Reservoir Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Connecticut Water Company (public utility). It impounds the Menunketesuck River near Clinton.
The dam stands 12 feet tall and stretches 240 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 180 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1895, 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 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 12/18/2024.
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Location
| State | Connecticut |
| County | Middlesex |
| Nearest City | Clinton |
| River/Stream | Menunketesuck River |
| Coordinates | 41.33186, -72.52494 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 240 ft |
| Year Completed | 1895 (131 years old) |
Storage & Hydraulics
| NID Storage | 180 acre-ft |
| Max Storage | 180 acre-ft |
| Normal Storage | 180 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 1,336 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Connecticut Water Company |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/18/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00389 |
| Federal ID | CT00389 |
| More Info | State Dam Safety Program |