Cochran Dam
Cochran Dam is a stone dam located in Norfolk County, Massachusetts, built in 1900. It carries a Low hazard potential classification and has a fair condition assessment.
About Cochran Dam
The primary purpose of Cochran Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Ma Department Of Conservation & Recreation;town Of Dover (state). It impounds the Charles River near Dover.
The dam stands 13 feet tall and stretches 200 feet across, has a maximum storage capacity of 960 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1900, 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. The most recent inspection on record was 03/07/2017.
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Location
| State | Massachusetts |
| County | Norfolk |
| Nearest City | Dover |
| River/Stream | Charles River |
| Coordinates | 42.25858, -71.26300 |
Physical Characteristics
| Dam Type | Stone |
| NID Height | 13 ft |
| Dam Length | 200 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 960 acre-ft |
| Max Storage | 960 acre-ft |
| Normal Storage | 640 acre-ft |
| Drainage Area | 4 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MA Department of Conservation & Recreation;Town of Dover |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 03/07/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA02572 |
| Federal ID | MA02572 |
| More Info | State Dam Safety Program |