Waterville Pond Dam
Waterville Pond Dam is an earth dam located in Plymouth County, Massachusetts, built in 1920. It carries a Significant hazard potential classification and has a fair condition assessment.
About Waterville Pond Dam
The primary purpose of Waterville Pond Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Adga Realty, Llc (private). It impounds the Whetstone River near Middleborough.
The dam stands 17 feet tall and stretches 200 feet across, creates a reservoir covering 37 acres, has a maximum storage capacity of 230 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1920, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 04/27/2021.
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Location
| State | Massachusetts |
| County | Plymouth |
| Nearest City | Middleborough |
| River/Stream | Whetstone River |
| Coordinates | 41.91623, -70.83559 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Length | 200 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 230 acre-ft |
| Max Storage | 230 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 70 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ADGA Realty, LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/27/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MA00356 |
| Federal ID | MA00356 |
| More Info | State Dam Safety Program |