Briggs Reservoir Dam No. 1
Briggs Reservoir Dam No. 1 is an earth dam located in Plymouth County, Massachusetts, built in 1917. It carries a Low hazard potential classification and has a fair condition assessment.
About Briggs Reservoir Dam No. 1
The primary purpose of Briggs Reservoir Dam No. 1 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Black Cat Cranberry Corp (private). It impounds the Tributary Of Town Brook near Plymouth.
The dam stands 13 feet tall and stretches 275 feet across, has a maximum storage capacity of 135 acre-feet, and collects water from a drainage area of 3,100 square miles. Completed in 1917, 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.
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Location
| State | Massachusetts |
| County | Plymouth |
| Nearest City | Plymouth |
| River/Stream | Tributary Of Town Brook |
| Coordinates | 41.92972, -70.68261 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Length | 275 ft |
| Year Completed | 1917 (109 years old) |
Storage & Hydraulics
| NID Storage | 135 acre-ft |
| Max Storage | 135 acre-ft |
| Normal Storage | 81 acre-ft |
| Drainage Area | 3,100 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Black Cat Cranberry Corp |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA00913 |
| Federal ID | MA00913 |
| More Info | State Dam Safety Program |