Kettletown Detention Dam
Kettletown Detention Dam is an earth dam located in New Haven County, Connecticut. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Kettletown Detention Dam
The primary purpose of Kettletown 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 Ibm (private). It impounds the S Branch Bullet Hill Brook To Pomparaug near Southbury.
The dam stands 15 feet tall and stretches 325 feet across, and creates a reservoir covering 1 acres.
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 12/19/2022.
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Location
| State | Connecticut |
| County | New Haven |
| Nearest City | Southbury |
| River/Stream | S Branch Bullet Hill Brook To Pomparaug |
| Coordinates | 41.47599, -73.21028 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 325 ft |
Storage & Hydraulics
| Surface Area | 1 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | IBM |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/19/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT01878 |
| Federal ID | CT01878 |
| More Info | State Dam Safety Program |