Truesdale Lake Dam is an earth dam located in Westchester County, New York, built in 1925. It carries a Low hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall and 200 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Truesdale Lake Dam
The primary purpose of Truesdale Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town of Lewisboro;truesdale Lake Association (private). It impounds the Tr-waccabuc River near Boutonville.
The dam stands 14 feet tall and stretches 200 feet across, creates a reservoir covering 83 acres, and has a maximum storage capacity of 720 acre-feet. Completed in 1925, 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. The most recent inspection on record was 06/19/2009. That was over 17 years ago.
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Location
| State | New York |
| County | Westchester |
| Nearest City | Boutonville |
| River/Stream | Tr-waccabuc River |
| Coordinates | 41.28722, -73.55750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 200 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 720 acre-ft |
| Max Storage | 720 acre-ft |
| Normal Storage | 400 acre-ft |
| Surface Area | 83 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Lewisboro;truesdale Lake Association |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/19/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY14813 |
| Federal ID | NY14813 |
| More Info | State Dam Safety Program |