Mulberry Reservoir Dam
Mulberry Reservoir Dam is an earth dam located in New Haven County, Connecticut, built in 1897. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Mulberry Reservoir Dam
The primary purpose of Mulberry Reservoir Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Connecticut Water Company (public utility). It impounds the Naugatuck River Trib near Naugatuck.
The dam stands 66 feet tall and stretches 580 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 205 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1897, the structure is over a century old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 12/12/2024.
At 66 feet, this dam is taller than 96% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Connecticut dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Connecticut |
| County | New Haven |
| Nearest City | Naugatuck |
| River/Stream | Naugatuck River Trib |
| Coordinates | 41.48433, -73.03241 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 66 ft |
| Dam Height | 66 ft |
| Dam Length | 580 ft |
| Year Completed | 1897 (129 years old) |
Storage & Hydraulics
| NID Storage | 205 acre-ft |
| Max Storage | 205 acre-ft |
| Normal Storage | 145 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,600 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Connecticut Water Company |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/12/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00130 |
| Federal ID | CT00130 |
| More Info | State Dam Safety Program |