Crossing At Lisbon Detention Dam
Crossing At Lisbon Detention Dam is an earth dam located in New London County, Connecticut, built in 2008. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Crossing At Lisbon Detention Dam
The primary purpose of Crossing At Lisbon Detention 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 Cl One Associates, Llc;lisbon Investors, Llc (private). It impounds the I-395 Drainage Quinebaug near Griswold.
The dam stands 16 feet tall and stretches 290 feet across. Completed in 2008, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/20/2016.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Connecticut |
| County | New London |
| Nearest City | Griswold |
| River/Stream | I-395 Drainage Quinebaug |
| Coordinates | 41.58837, -71.99737 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 290 ft |
| Year Completed | 2008 (18 years old) |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CL One Associates, LLC;Lisbon Investors, LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/20/2016 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT50012 |
| Federal ID | CT50012 |
| More Info | State Dam Safety Program |