Seymour Reservoir #2 Dam is an earth dam located in New Haven County, Connecticut, built in 1948. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 31 ft31 ft tall and 900 ft long, taller than 72% of U.S. dams with a recorded height. 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 Seymour Reservoir #2 Dam
The primary purpose of Seymour Reservoir #2 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 Deep (state). It impounds the Unnamed near Pipe Bridge.
The dam stands 31 feet tall and stretches 900 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 590 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1948, the structure is well-established, with more than 75 years 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 11/16/2021.
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Location
| State | Connecticut |
| County | New Haven |
| Nearest City | Pipe Bridge |
| River/Stream | Unnamed |
| Coordinates | 41.43858, -73.08626 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 900 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 590 acre-ft |
| Max Storage | 590 acre-ft |
| Normal Storage | 520 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 500 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Connecticut Deep |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 11/16/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00324 |
| Federal ID | CT00324 |
| More Info | State Dam Safety Program |