Timber Lake Dam
Timber Lake Dam is an earth dam located in Fairfield County, Connecticut, built in 1957. It carries a Significant hazard potential classification and has a fair condition assessment.
About Timber Lake Dam
The primary purpose of Timber Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Timber Trails Associates (private). It impounds the Quaker Brook near Sherman.
The dam stands 14 feet tall and stretches 200 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1957, the structure is well into its service life at over 50 years 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. The most recent inspection on record was 11/10/2021.
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Location
| State | Connecticut |
| County | Fairfield |
| Nearest City | Sherman |
| River/Stream | Quaker Brook |
| Coordinates | 41.53461, -73.51114 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 200 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 591 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Timber Trails Associates |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 11/10/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00320 |
| Federal ID | CT00320 |
| More Info | State Dam Safety Program |