Green Pond Dam is an earth dam located in Fairfield County, Connecticut, built in 1900. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 60 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Green Pond Dam
The primary purpose of Green Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Candlewood Lake Estates Service Corp. (private). It impounds the Green Pond Brook near Sherman.
The dam stands 10 feet tall and stretches 60 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 112 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 04/15/2024.
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Location
| State | Connecticut |
| County | Fairfield |
| Nearest City | Sherman |
| River/Stream | Green Pond Brook |
| Coordinates | 41.54924, -73.45996 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 60 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 112 acre-ft |
| Max Storage | 112 acre-ft |
| Normal Storage | 112 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 5 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Candlewood Lake Estates Service Corp. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/15/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT01628 |
| Federal ID | CT01628 |
| More Info | State Dam Safety Program |