Lake Superior Dam
Lake Superior Dam is a concrete dam located in Sullivan County, New York, built in 1920. It carries a Low hazard potential classification.
About Lake Superior Dam
The primary purpose of Lake Superior Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nysoprhp - Palisades Interstate Park Commission (state). It impounds the Tr-black Lake.
The dam stands 7 feet tall and stretches 210 feet across, creates a reservoir covering 185 acres, has a maximum storage capacity of 1,250 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1920, 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. The most recent inspection on record was 05/07/2007. That was over 18 years ago.
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Location
| State | New York |
| County | Sullivan |
| Nearest City | None |
| River/Stream | Tr-black Lake |
| Coordinates | 41.65500, -74.86833 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 210 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 1,250 acre-ft |
| Max Storage | 1,250 acre-ft |
| Normal Storage | 700 acre-ft |
| Surface Area | 185 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 4,871 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | NYSOPRHP - PALISADES INTERSTATE PARK COMMISSION |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 05/07/2007 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY01286 |
| Federal ID | NY01286 |
| More Info | State Dam Safety Program |