Union Pond Dam is a masonry dam located in Fairfield County, Connecticut. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 16 ft16 ft tall and 98 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Union Pond Dam
The primary purpose of Union Pond 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 Selkovits (private). It impounds the East Br Mianus River.
The dam stands 16 feet tall and stretches 98 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 6 acre-feet, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 03/31/2022.
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Location
| State | Connecticut |
| County | Fairfield |
| River/Stream | East Br Mianus River |
| Coordinates | 41.14930, -73.58831 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 98 ft |
Storage & Hydraulics
| NID Storage | 6 acre-ft |
| Max Storage | 6 acre-ft |
| Normal Storage | 6 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Selkovits |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 03/31/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT01321 |
| Federal ID | CT01321 |
| More Info | State Dam Safety Program |