Silver Lake Dam
Silver Lake Dam is an earth dam located in Hampden County, Massachusetts, built in 1878. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Silver Lake Dam
The primary purpose of Silver Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Silver Lake Corporation (private). It impounds the Tributary Of Three Mile Brook near Agawam.
The dam stands 15 feet tall and stretches 150 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 110 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1878, the structure is over a century old.
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 11/11/2021.
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Location
| State | Massachusetts |
| County | Hampden |
| Nearest City | Agawam |
| River/Stream | Tributary Of Three Mile Brook |
| Coordinates | 42.06676, -72.63349 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Length | 150 ft |
| Year Completed | 1878 (148 years old) |
Storage & Hydraulics
| NID Storage | 110 acre-ft |
| Max Storage | 110 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 267 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Silver Lake Corporation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/11/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00066 |
| Federal ID | MA00066 |
| More Info | State Dam Safety Program |