Wonder Lake Dam is a concrete dam located in Putnam County, New York, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 7 ft7 ft tall and 50 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Wonder Lake Dam
The primary purpose of Wonder Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. It impounds the Tr-muddy Brook near Towners.
The dam stands 7 feet tall and stretches 50 feet across, creates a reservoir covering 26 acres, and has a maximum storage capacity of 73 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 07/17/2001. That was over 25 years ago.
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Location
| State | New York |
| County | Putnam |
| Nearest City | Towners |
| River/Stream | Tr-muddy Brook |
| Coordinates | 41.49333, -73.64500 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 50 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 73 acre-ft |
| Max Storage | 73 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 26 acres |
| Max Discharge | 75 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner Type | Not Listed |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/17/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY01202 |
| Federal ID | NY01202 |
| More Info | State Dam Safety Program |