Thompson Lake Dam
Thompson Lake Dam is an earth dam located in Hampden County, Massachusetts, built in 1900. It carries a Low hazard potential classification and has a fair condition assessment.
About Thompson Lake Dam
The primary purpose of Thompson Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Thompson Civic Association, Inc. (private). It impounds the Tributary Of Ware River near Palmer.
The dam stands 13 feet tall and stretches 93 feet across, creates a reservoir covering 35 acres, has a maximum storage capacity of 400 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1900, the structure is over a century 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 06/05/2019.
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Location
| State | Massachusetts |
| County | Hampden |
| Nearest City | Palmer |
| River/Stream | Tributary Of Ware River |
| Coordinates | 42.17772, -72.29937 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Length | 93 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 280 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lake Thompson Civic Association, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/05/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA00558 |
| Federal ID | MA00558 |
| More Info | State Dam Safety Program |