Hayes Pond Dam
Hayes Pond Dam is an earth dam located in Berkshire County, Massachusetts, built in 1840. It carries a Low hazard potential classification and has a fair condition assessment.
About Hayes Pond Dam
The primary purpose of Hayes Pond Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Linda Penn (private). It impounds the Tributary Of Hop Brook near Otis.
The dam stands 11 feet tall and stretches 65 feet across, creates a reservoir covering 45 acres, has a maximum storage capacity of 306 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1840, the structure is one of the older dams in the region, with over a century and a half of service.
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 04/14/2021.
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Location
| State | Massachusetts |
| County | Berkshire |
| Nearest City | Otis |
| River/Stream | Tributary Of Hop Brook |
| Coordinates | 42.20510, -73.14946 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Length | 65 ft |
| Year Completed | 1840 (186 years old) |
Storage & Hydraulics
| NID Storage | 306 acre-ft |
| Max Storage | 306 acre-ft |
| Normal Storage | 254 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 28 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Linda Penn |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/14/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA00286 |
| Federal ID | MA00286 |
| More Info | State Dam Safety Program |