Crystal Pond Dam
Crystal 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 Crystal Pond Dam
The primary purpose of Crystal Pond 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 Crystal Pond Brook near Killingly.
The dam stands 31 feet tall and stretches 360 feet across, creates a reservoir covering 4 acres, has a storage capacity of 63 acre-feet, and collects water from a drainage area of 0 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 12/14/2016.
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Location
| State | Connecticut |
| County | Windham |
| Nearest City | Killingly |
| River/Stream | Crystal Pond Brook |
| Coordinates | 41.83436, -71.85260 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 360 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 63 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 152 cfs |
| 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 | CT00166 |
| Federal ID | CT00166 |
| More Info | State Dam Safety Program |