Twitchell Reservoir Dam
Twitchell Reservoir Dam is an earth dam located in New Haven County, Connecticut. It carries a Significant hazard potential classification and has a fair condition assessment.
About Twitchell Reservoir Dam
The primary purpose of Twitchell 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 Beacon Hill Brook.
The dam stands 7 feet tall and stretches 200 feet across, creates a reservoir covering 0 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. 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 10/02/2019.
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Location
| State | Connecticut |
| County | New Haven |
| River/Stream | Beacon Hill Brook |
| Coordinates | 41.46549, -72.99122 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 200 ft |
Storage & Hydraulics
| Surface Area | 0 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Connecticut Water Company |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/02/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00699 |
| Federal ID | CT00699 |
| More Info | State Dam Safety Program |