Ironstone Reservoir Dam
Ironstone Reservoir Dam is an earth dam located in Worcester County, Massachusetts, built in 1928. It carries a Significant hazard potential classification and has a poor condition assessment.
About Ironstone Reservoir Dam
The primary purpose of Ironstone Reservoir Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Frhp 4 Llc (private). It impounds the Bacon Brook near Uxbridge.
The dam stands 10 feet tall and stretches 250 feet across, creates a reservoir covering 27 acres, has a maximum storage capacity of 280 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1928, the structure is well-established, with more than 75 years of service.
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 11/14/2022.
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Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Uxbridge |
| River/Stream | Bacon Brook |
| Coordinates | 42.02638, -71.61130 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 250 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 280 acre-ft |
| Max Storage | 280 acre-ft |
| Normal Storage | 173 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 510 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | FRHP 4 LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 11/14/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MA02919 |
| Federal ID | MA02919 |
| More Info | State Dam Safety Program |