Manchester Reservoir #2 Dam is an earth dam located in Hartford County, Connecticut. It carries a Significant hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 580 ft long. 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 Manchester Reservoir #2 Dam
The primary purpose of Manchester 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 Town of Manchester (local government). It impounds the Lydall Brook.
The dam stands 15 feet tall and stretches 580 feet across, creates a reservoir covering 3 acres, and collects water from a drainage area of 2 square miles.
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. An emergency action plan is in place for this dam.
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Location
| State | Connecticut |
| County | Hartford |
| River/Stream | Lydall Brook |
| Coordinates | 41.79566, -72.48036 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 580 ft |
Storage & Hydraulics
| Surface Area | 3 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Town of Manchester |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00011 |
| Federal ID | CT00011 |
| More Info | State Dam Safety Program |