Chase Reservoir Dam
Chase Reservoir Dam is an earth dam located in Windham County, Connecticut, built in 1870. It carries a Significant hazard potential classification and has a fair condition assessment.
About Chase Reservoir Dam
The primary purpose of Chase Reservoir 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 Tributary near Killingly.
The dam stands 13 feet tall and stretches 555 feet across, creates a reservoir covering 60 acres, has a storage capacity of 240 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1870, the structure is one of the older dams in the region, with over a century and a half of service.
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 12/14/2016.
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Location
| State | Connecticut |
| County | Windham |
| Nearest City | Killingly |
| River/Stream | Whetstone Brook Tributary |
| Coordinates | 41.84597, -71.83736 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 555 ft |
| Year Completed | 1870 (156 years old) |
Storage & Hydraulics
| NID Storage | 240 acre-ft |
| Normal Storage | 240 acre-ft |
| Surface Area | 60 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Killingly |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/14/2016 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00177 |
| Federal ID | CT00177 |
| More Info | State Dam Safety Program |