Red Dam is an earth dam located in Norfolk County, Massachusetts, built in 1920. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 270 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 Red Dam
The primary purpose of Red Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town of Wrentham (local government). It impounds the Eagle Brook near Wrentham.
The dam stands 10 feet tall and stretches 270 feet across, creates a reservoir covering 288 acres, has a maximum storage capacity of 2,260 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1920, the structure is over a century 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 10/11/2022.
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Location
| State | Massachusetts |
| County | Norfolk |
| Nearest City | Wrentham |
| River/Stream | Eagle Brook |
| Coordinates | 42.06982, -71.35210 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 270 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 2,260 acre-ft |
| Max Storage | 2,260 acre-ft |
| Normal Storage | 1,400 acre-ft |
| Surface Area | 288 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 1,712 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Wrentham |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 10/11/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00170 |
| Federal ID | MA00170 |
| More Info | State Dam Safety Program |