Coles Brook Pond Dam
Coles Brook Pond Dam is an earth dam located in Berkshire County, Massachusetts, built in 1959. It carries a Low hazard potential classification and has a fair condition assessment.
About Coles Brook Pond Dam
The primary purpose of Coles Brook Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by The Nature Conservancy Of Massachusetts, Inc. (private). It impounds the Coles Brook near Washington.
The dam stands 11 feet tall and stretches 300 feet across, has a maximum storage capacity of 121 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1959, the structure is well into its service life at over 50 years old.
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 11/27/2019.
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Location
| State | Massachusetts |
| County | Berkshire |
| Nearest City | Washington |
| River/Stream | Coles Brook |
| Coordinates | 42.35733, -73.06667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Length | 300 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 121 acre-ft |
| Max Storage | 121 acre-ft |
| Normal Storage | 77 acre-ft |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | The Nature Conservancy of Massachusetts, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/27/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA01053 |
| Federal ID | MA01053 |
| More Info | State Dam Safety Program |