Freeman Bog Dam
Freeman Bog Dam is an earth dam located in Plymouth County, Massachusetts, built in 1900. It carries a Low hazard potential classification and has a poor condition assessment.
About Freeman Bog Dam
The primary purpose of Freeman Bog Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Ma Department Of Fish And Game (state). It impounds the Mattapoisett River near Rochester.
The dam stands 12 feet tall and stretches 760 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 64 acre-feet, and collects water from a drainage area of 7 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 04/05/2017.
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Location
| State | Massachusetts |
| County | Plymouth |
| Nearest City | Rochester |
| River/Stream | Mattapoisett River |
| Coordinates | 41.75084, -70.86124 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Length | 760 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 64 acre-ft |
| Max Storage | 64 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 7 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | MA Department of Fish and Game |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/05/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA00385 |
| Federal ID | MA00385 |
| More Info | State Dam Safety Program |