Upper Pond Dam #1
Upper Pond Dam #1 is an earth dam located in Middlesex County, Connecticut. It carries a Significant hazard potential classification and has a poor condition assessment.
About Upper Pond Dam #1
The primary purpose of Upper Pond Dam #1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Chester (local government). It impounds the Pattaconk Brook.
The dam stands 8 feet tall and stretches 175 feet across, creates a reservoir covering 2 acres, and collects water from a drainage area of 8 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 11/08/2019.
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Location
| State | Connecticut |
| County | Middlesex |
| River/Stream | Pattaconk Brook |
| Coordinates | 41.39947, -72.45805 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 175 ft |
Storage & Hydraulics
| Surface Area | 2 acres |
| Drainage Area | 8 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Chester |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 11/08/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00777 |
| Federal ID | CT00777 |
| More Info | State Dam Safety Program |