Thompson Pond Dam
Thompson Pond Dam is an earth dam located in Worcester County, Massachusetts. It carries a Significant hazard potential classification and has a poor condition assessment.
About Thompson Pond Dam
The primary purpose of Thompson Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ma Department Of Conservation & Recreation (state). It impounds the Turkey Hill Brook near Spencer.
The dam stands 25 feet tall and stretches 290 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 1,950 acre-feet, and collects water from a drainage area of 9 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 11/13/2020.
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Location
| State | Massachusetts |
| County | Worcester |
| Nearest City | Spencer |
| River/Stream | Turkey Hill Brook |
| Coordinates | 42.29615, -71.97712 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Length | 290 ft |
Storage & Hydraulics
| NID Storage | 1,950 acre-ft |
| Max Storage | 1,950 acre-ft |
| Normal Storage | 791 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 9 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MA Department of Conservation & Recreation |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 11/13/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00697 |
| Federal ID | MA00697 |
| More Info | State Dam Safety Program |