Freeman Lake Dam
Freeman Lake Dam is an earth dam located in Middlesex County, Massachusetts, built in 1976. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Freeman Lake Dam
The primary purpose of Freeman Lake 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 Chelmsford (local government). It impounds the Stony Brook near Chelmsford.
The dam stands 29 feet tall and stretches 400 feet across, creates a reservoir covering 83 acres, has a maximum storage capacity of 1,500 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1976, the structure is 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 05/11/2022.
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Location
| State | Massachusetts |
| County | Middlesex |
| Nearest City | Chelmsford |
| River/Stream | Stony Brook |
| Coordinates | 42.63166, -71.38681 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Length | 400 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 1,500 acre-ft |
| Max Storage | 1,500 acre-ft |
| Normal Storage | 1,100 acre-ft |
| Surface Area | 83 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2,880 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Chelmsford |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/11/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA03170 |
| Federal ID | MA03170 |
| More Info | State Dam Safety Program |