Delano Island
Delano Island is a concrete dam located in Jefferson County, New York, built in 1924. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Delano Island
The primary purpose of Delano Island 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 City Of Watertown, Ny (local government). It impounds the Black River near Watertown.
The dam stands 12 feet tall and stretches 200 feet across, creates a reservoir covering 190 acres, has a maximum storage capacity of 2,000 acre-feet, and collects water from a drainage area of 1,874 square miles. Completed in 1924, 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 06/14/2018.
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Location
| State | New York |
| County | Jefferson |
| Nearest City | Watertown |
| River/Stream | Black River |
| Coordinates | 43.97580, -75.87260 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 200 ft |
| Year Completed | 1924 (102 years old) |
Storage & Hydraulics
| NID Storage | 2,000 acre-ft |
| Max Storage | 2,000 acre-ft |
| Normal Storage | 2,000 acre-ft |
| Surface Area | 190 acres |
| Drainage Area | 1,874 sq mi |
| Max Discharge | 32,800 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | City of Watertown, NY |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/14/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY00684 |
| Federal ID | NY00684 |
| More Info | State Dam Safety Program |