Lower (south) Wiccopee Dam
Lower (south) Wiccopee Dam is a concrete dam located in Putnam County, New York, built in 1913. It carries a High hazard potential classification and has a poor condition assessment.
About Lower (south) Wiccopee Dam
The primary purpose of Lower (south) Wiccopee Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Peekskill (local government). It impounds the Wiccopee Brook near Tompkins Corners.
The dam stands 45 feet tall and stretches 365 feet across, creates a reservoir covering 54 acres, has a maximum storage capacity of 943 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1913, the structure is over a century old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 03/24/2025.
At 45 feet, this dam is taller than 91% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New York dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New York |
| County | Putnam |
| Nearest City | Tompkins Corners |
| River/Stream | Wiccopee Brook |
| Coordinates | 41.41528, -73.81722 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 365 ft |
| Year Completed | 1913 (113 years old) |
Storage & Hydraulics
| NID Storage | 943 acre-ft |
| Max Storage | 943 acre-ft |
| Normal Storage | 849 acre-ft |
| Surface Area | 54 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 396 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF PEEKSKILL |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 03/24/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00033 |
| Federal ID | NY00033 |
| More Info | State Dam Safety Program |