Moosup Pond Dam is an earth dam located in Windham County, Connecticut, built in 1970. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 7 ft7 ft tall and 250 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Moosup Pond Dam
The primary purpose of Moosup Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Old Village Mill, LLC (private). It impounds the Tyler Brook to Snake Mead near Plainfield.
The dam stands 7 feet tall and stretches 250 feet across, creates a reservoir covering 97 acres, has a storage capacity of 300 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1970, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 06/28/2017.
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Location
| State | Connecticut |
| County | Windham |
| Nearest City | Plainfield |
| River/Stream | Tyler Brook to Snake Mead |
| Coordinates | 41.73443, -71.86151 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 250 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 97 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Old Village Mill, LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 06/28/2017 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00580 |
| Federal ID | CT00580 |
| More Info | State Dam Safety Program |