Cranberry Bog Dam
Cranberry Bog Dam is an earth dam located in Middlesex County, Massachusetts, built in 1920. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Cranberry Bog Dam
The primary purpose of Cranberry 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 Town Of Carlisle (local government). It impounds the Tophet Swamp-offstream near Carlisle.
The dam stands 8 feet tall and stretches 1,000 feet across, and has a maximum storage capacity of 196 acre-feet. Completed in 1920, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized.
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Location
| State | Massachusetts |
| County | Middlesex |
| Nearest City | Carlisle |
| River/Stream | Tophet Swamp-offstream |
| Coordinates | 42.55226, -71.37299 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 196 acre-ft |
| Max Storage | 196 acre-ft |
| Normal Storage | 113 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Town of Carlisle |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA01217 |
| Federal ID | MA01217 |
| More Info | State Dam Safety Program |