Crystal Pond Dam
Crystal Pond Dam is an earth dam located in Windham County, Connecticut, built in 1940. It carries a Significant hazard potential classification and has a poor 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 Crystal Pond Association (private). It impounds the Crystal Pond Brook near Eastford.
The dam stands 8 feet tall and stretches 270 feet across, creates a reservoir covering 140 acres, has a maximum storage capacity of 1,200 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1940, the structure is well-established, with more than 75 years 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 09/13/2018.
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Location
| State | Connecticut |
| County | Windham |
| Nearest City | Eastford |
| River/Stream | Crystal Pond Brook |
| Coordinates | 41.92950, -72.10257 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 270 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 1,200 acre-ft |
| Max Storage | 1,200 acre-ft |
| Normal Storage | 1,200 acre-ft |
| Surface Area | 140 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 73 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Crystal Pond Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 09/13/2018 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00468 |
| Federal ID | CT00468 |
| More Info | State Dam Safety Program |