Isinglass Reservoir Dam
Isinglass Reservoir Dam is a concrete dam located in Fairfield County, Connecticut. It carries a Significant hazard potential classification and has a fair condition assessment.
About Isinglass Reservoir Dam
The primary purpose of Isinglass 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 Aquarion Water Company Of Connecticut (public utility). It impounds the Far Mill River near Huntington.
The dam stands 24 feet tall and stretches 125 feet across, creates a reservoir covering 1 acres, and collects water from a drainage area of 6 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 06/16/2021.
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Location
| State | Connecticut |
| County | Fairfield |
| Nearest City | Huntington |
| River/Stream | Far Mill River |
| Coordinates | 41.29100, -73.17566 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 125 ft |
Storage & Hydraulics
| Surface Area | 1 acres |
| Drainage Area | 6 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Aquarion Water Company of Connecticut |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 06/16/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT01269 |
| Federal ID | CT01269 |
| More Info | State Dam Safety Program |