Upper Greenwich
Upper Greenwich is a concrete dam located in Washington County, New York, built in 1918. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Upper Greenwich
The primary purpose of Upper Greenwich 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 Batten Kill Hydro Associates (private). It impounds the Battenkill River near Greenwich.
The dam stands 14 feet tall and stretches 200 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 399 square miles. Completed in 1918, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/18/2022.
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Location
| State | New York |
| County | Washington |
| Nearest City | Greenwich |
| River/Stream | Battenkill River |
| Coordinates | 43.09060, -73.49520 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 200 ft |
| Year Completed | 1918 (108 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 399 sq mi |
| Max Discharge | 14,200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Batten Kill Hydro Associates |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/18/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY01434 |
| Federal ID | NY01434 |
| More Info | State Dam Safety Program |