Topping Road Dam
Topping Road Dam is an earth dam located in Fairfield County, Connecticut, built in 1920. It carries a Significant hazard potential classification and has a poor condition assessment.
About Topping Road Dam
The primary purpose of Topping Road Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Alexandra Realty Corp;gary & Margot Weinsein (private). It impounds the Wilshire Pond Brook near Greenwich.
The dam stands 15 feet tall and stretches 440 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 97 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1920, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 04/01/2024.
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Location
| State | Connecticut |
| County | Fairfield |
| Nearest City | Greenwich |
| River/Stream | Wilshire Pond Brook |
| Coordinates | 41.10898, -73.65827 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 440 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 97 acre-ft |
| Max Storage | 97 acre-ft |
| Normal Storage | 91 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 561 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Alexandra Realty Corp;Gary & Margot Weinsein |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 04/01/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00536 |
| Federal ID | CT00536 |
| More Info | State Dam Safety Program |