Wickaboxet Marsh Dam
Wickaboxet Marsh Dam is an earth dam located in New London County, Connecticut, built in 1962. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Wickaboxet Marsh Dam
The primary purpose of Wickaboxet Marsh Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Connecticut Deep (state). It impounds the Great Meadow Bk Trib near Voluntown.
The dam stands 8 feet tall and stretches 390 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 57 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1962, the structure is well into its service life at over 50 years old.
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. The most recent inspection on record was 06/06/2023.
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Location
| State | Connecticut |
| County | New London |
| Nearest City | Voluntown |
| River/Stream | Great Meadow Bk Trib |
| Coordinates | 41.61021, -71.81596 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 390 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 57 acre-ft |
| Max Storage | 57 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 10 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Connecticut DEEP |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/06/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT01683 |
| Federal ID | CT01683 |
| More Info | State Dam Safety Program |