Riiska Brook Dam
Riiska Brook Dam is an earth dam located in Berkshire County, Massachusetts, built in 1952. It carries a High hazard potential classification and has a poor condition assessment.
About Riiska Brook Dam
The primary purpose of Riiska Brook Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Groman Finnegan Realty Trust (private). It impounds the Tributary Of Riiska Brook near Sandisfield.
The dam stands 19 feet tall and stretches 130 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 62 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1952, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 03/29/2024.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Massachusetts dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Massachusetts |
| County | Berkshire |
| Nearest City | Sandisfield |
| River/Stream | Tributary Of Riiska Brook |
| Coordinates | 42.05750, -73.14020 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Length | 130 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Groman Finnegan Realty Trust |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 03/29/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MA01050 |
| Federal ID | MA01050 |
| More Info | State Dam Safety Program |