South Hill Pond Dam
South Hill Pond Dam is an earth dam located in Tompkins County, New York. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About South Hill Pond Dam
The primary purpose of South Hill Pond Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Ithaca College (private). It impounds the Tr-sixmile Creek near Ithaca.
The dam stands 20 feet tall and stretches 400 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 6 acre-feet, and collects water from a drainage area of 0 square miles.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 02/27/2025.
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Location
| State | New York |
| County | Tompkins |
| Nearest City | Ithaca |
| River/Stream | Tr-sixmile Creek |
| Coordinates | 42.42583, -76.49556 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 400 ft |
Storage & Hydraulics
| NID Storage | 6 acre-ft |
| Max Storage | 6 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 236 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | ITHACA COLLEGE |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/27/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY14760 |
| Federal ID | NY14760 |
| More Info | State Dam Safety Program |