Success Lake Dam is an earth dam located in Fairfield County, Connecticut, built in 1875. It carries a Significant hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 132 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 Success Lake Dam
The primary purpose of Success Lake Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Sporting Goods Properties Inc (private). It impounds the Unnamed near Bridgeport.
The dam stands 15 feet tall and stretches 132 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 146 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1875, 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. The most recent inspection on record was 10/26/1988. That was over 37 years ago.
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Location
| State | Connecticut |
| County | Fairfield |
| Nearest City | Bridgeport |
| River/Stream | Unnamed |
| Coordinates | 41.20923, -73.16494 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 132 ft |
| Year Completed | 1875 (151 years old) |
Storage & Hydraulics
| NID Storage | 146 acre-ft |
| Max Storage | 146 acre-ft |
| Normal Storage | 119 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 760 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Sporting Goods Properties Inc |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 10/26/1988 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00079 |
| Federal ID | CT00079 |
| More Info | State Dam Safety Program |