Fitchburg Reservoir South Dike
Fitchburg Reservoir South Dike is an earth dam located in Middlesex County, Massachusetts, built in 1916. It carries a Low hazard potential classification and has a fair condition assessment.
About Fitchburg Reservoir South Dike
The primary purpose of Fitchburg Reservoir South Dike is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Fitchburg (local government). It impounds the Falulah Brook near Ashby.
The dam stands 19 feet tall and stretches 390 feet across, creates a reservoir covering 153 acres, has a maximum storage capacity of 2,447 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1916, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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. An emergency action plan is in place for this dam. The most recent inspection on record was 12/19/2023.
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Location
| State | Massachusetts |
| County | Middlesex |
| Nearest City | Ashby |
| River/Stream | Falulah Brook |
| Coordinates | 42.64431, -71.84410 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Length | 390 ft |
| Year Completed | 1916 (110 years old) |
Storage & Hydraulics
| NID Storage | 2,447 acre-ft |
| Max Storage | 2,447 acre-ft |
| Normal Storage | 1,512 acre-ft |
| Surface Area | 153 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Fitchburg |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 12/19/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA01235 |
| Federal ID | MA00335S002 |
| More Info | State Dam Safety Program |