Leonards Pond Dam is an earth dam located in Plymouth County, Massachusetts. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 15 ft15 ft tall and 275 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 Leonards Pond Dam
The primary purpose of Leonards Pond Dam 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 Sippican Mill LLC (private). It impounds the Sippican River near Rochester.
The dam stands 15 feet tall and stretches 275 feet across, creates a reservoir covering 43 acres, has a maximum storage capacity of 200 acre-feet, and collects water from a drainage area of 9 square miles.
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 09/28/2017.
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Location
| State | Massachusetts |
| County | Plymouth |
| Nearest City | Rochester |
| River/Stream | Sippican River |
| Coordinates | 41.74838, -70.80444 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Length | 275 ft |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 135 acre-ft |
| Surface Area | 43 acres |
| Drainage Area | 9 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Sippican Mill LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/28/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA00369 |
| Federal ID | MA00369 |
| More Info | State Dam Safety Program |