Curve Street Dam is an earth dam located in Middlesex County, Massachusetts, built in 1904. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 9 ft9 ft tall and 375 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 Curve Street Dam
Curve Street Dam is a dam in Middlesex, Massachusetts. The dam is owned by Town of Carlisle (local government). It impounds the River Meadow (great) Brook near Carlisle.
The dam stands 9 feet tall and stretches 375 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 127 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1904, 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 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 10/08/2020.
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Location
| State | Massachusetts |
| County | Middlesex |
| Nearest City | Carlisle |
| River/Stream | River Meadow (great) Brook |
| Coordinates | 42.55118, -71.36856 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Length | 375 ft |
| Year Completed | 1904 (122 years old) |
Storage & Hydraulics
| NID Storage | 127 acre-ft |
| Max Storage | 127 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 330 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Town of Carlisle |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/08/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MA02507 |
| Federal ID | MA02507 |
| More Info | State Dam Safety Program |