High Falls
High Falls is a gravity dam located in Ulster County, New York, built in 1935. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About High Falls
The primary purpose of High Falls is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Central Hudson Gas & Electric Corporation (public utility). It impounds the Rondout Creek near High Falls.
The dam stands 30 feet tall and stretches 470 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 115 acre-feet, and collects water from a drainage area of 246 square miles. Completed in 1935, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/11/2022.
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Location
| State | New York |
| County | Ulster |
| Nearest City | High Falls |
| River/Stream | Rondout Creek |
| Coordinates | 41.82970, -74.13300 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 470 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 115 acre-ft |
| Max Storage | 115 acre-ft |
| Normal Storage | 115 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 246 sq mi |
| Max Discharge | 32,600 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Central Hudson Gas & Electric Corporation |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/11/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY00782 |
| Federal ID | NY00782 |
| More Info | State Dam Safety Program |