Long Pond Dam
Long Pond Dam is an earth dam located in Berkshire County, Massachusetts. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Long Pond Dam
The primary purpose of Long Pond Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Housatonic Water Works Company (private). It impounds the Long Pond Brook, Tributary To Housatonic River near Great Barrington.
The dam stands 16 feet tall and stretches 201 feet across, creates a reservoir covering 115 acres, has a maximum storage capacity of 1,000 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 10/15/2020.
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Location
| State | Massachusetts |
| County | Berkshire |
| Nearest City | Great Barrington |
| River/Stream | Long Pond Brook, Tributary To Housatonic River |
| Coordinates | 42.22571, -73.38743 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Length | 201 ft |
Storage & Hydraulics
| NID Storage | 1,000 acre-ft |
| Max Storage | 1,000 acre-ft |
| Normal Storage | 860 acre-ft |
| Surface Area | 115 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 120 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Housatonic Water Works Company |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/15/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00024 |
| Federal ID | MA00024 |
| More Info | State Dam Safety Program |