Indian Lake Dam
Indian Lake Dam is an earth dam located in Worcester County, Massachusetts, built in 1920. It carries a Significant hazard potential classification and has a fair condition assessment.
About Indian Lake Dam
The primary purpose of Indian Lake Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Ma Department Of Transportation (state). It impounds the Tributary To Weasel Brook near Worcester.
The dam stands 17 feet tall and stretches 370 feet across, creates a reservoir covering 233 acres, has a maximum storage capacity of 2,800 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1920, 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 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 09/15/2022.
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Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Worcester |
| River/Stream | Tributary To Weasel Brook |
| Coordinates | 42.29981, -71.80699 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Length | 370 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 2,800 acre-ft |
| Max Storage | 2,800 acre-ft |
| Normal Storage | 1,800 acre-ft |
| Surface Area | 233 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 460 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MA Department of Transportation |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 09/15/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00125 |
| Federal ID | MA00125 |
| More Info | State Dam Safety Program |