Greylock Greenhouse Dam
Greylock Greenhouse Dam is an earth dam located in Berkshire County, Massachusetts. It carries a Significant hazard potential classification and has a fair condition assessment.
About Greylock Greenhouse Dam
The primary purpose of Greylock Greenhouse Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ma Department Of Conservation & Recreation (state). It impounds the Tributary Of Pecks Brook near Adams.
The dam stands 7 feet tall and stretches 160 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 12 acre-feet, and collects water from a drainage area of 0 square miles.
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. An emergency action plan is in place for this dam. The most recent inspection on record was 11/18/2022.
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Location
| State | Massachusetts |
| County | Berkshire |
| Nearest City | Adams |
| River/Stream | Tributary Of Pecks Brook |
| Coordinates | 42.61358, -73.15509 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Length | 160 ft |
Storage & Hydraulics
| NID Storage | 12 acre-ft |
| Max Storage | 12 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 20 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MA Department of Conservation & Recreation |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 11/18/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA02601 |
| Federal ID | MA02601 |
| More Info | State Dam Safety Program |