Reserve Detention Basin L Dam
Reserve Detention Basin L Dam is an earth dam located in Fairfield County, Connecticut, built in 2009. It carries a Significant hazard potential classification.
About Reserve Detention Basin L Dam
The primary purpose of Reserve Detention Basin L Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by One Reserve Road Llc (private). It impounds the Sawmill River.
The dam stands 24 feet tall and stretches 560 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 11 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2009, the structure is relatively new.
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.
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Location
| State | Connecticut |
| County | Fairfield |
| River/Stream | Sawmill River |
| Coordinates | 41.38300, -73.52200 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 560 ft |
| Year Completed | 2009 (17 years old) |
Storage & Hydraulics
| NID Storage | 11 acre-ft |
| Max Storage | 11 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | One Reserve Road LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT01765 |
| Federal ID | CT01765 |
| More Info | State Dam Safety Program |