Coginchaug River Dam #1
Coginchaug River Dam #1 is an earth dam located in Middlesex County, Connecticut. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Coginchaug River Dam #1
The primary purpose of Coginchaug River Dam #1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Boynton (private). It impounds the Coginchaug River.
The dam stands 12 feet tall and stretches 110 feet across, creates a reservoir covering 2 acres, and collects water from a drainage area of 31 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/09/2016.
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Location
| State | Connecticut |
| County | Middlesex |
| River/Stream | Coginchaug River |
| Coordinates | 41.52855, -72.69363 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 110 ft |
Storage & Hydraulics
| Surface Area | 2 acres |
| Drainage Area | 31 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Boynton |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/09/2016 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT01063 |
| Federal ID | CT01063 |
| More Info | State Dam Safety Program |