Upper Sawmill Pond Dam
Upper Sawmill Pond Dam is an earth dam located in Worcester County, Massachusetts, built in 1850. It carries a Significant hazard potential classification and has a fair condition assessment.
About Upper Sawmill Pond Dam
Upper Sawmill Pond Dam is a dam in Worcester, Massachusetts. The dam is owned by North Central Realty Corp. (private). It impounds the Flagg Brook near Fitchburg.
The dam stands 16 feet tall and stretches 116 feet across, creates a reservoir covering 67 acres, has a maximum storage capacity of 539 acre-feet, and collects water from a drainage area of 11 square miles. Completed in 1850, the structure is one of the older dams in the region, with over a century and a half 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 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 04/13/2022.
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Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Fitchburg |
| River/Stream | Flagg Brook |
| Coordinates | 42.54922, -71.84294 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Length | 116 ft |
| Year Completed | 1850 (176 years old) |
Storage & Hydraulics
| NID Storage | 539 acre-ft |
| Max Storage | 539 acre-ft |
| Normal Storage | 404 acre-ft |
| Surface Area | 67 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 1,560 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | North Central Realty Corp. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/13/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MA00873 |
| Federal ID | MA00873 |
| More Info | State Dam Safety Program |