Glencliff Road Detention Basin Dam
Glencliff Road Detention Basin Dam is a concrete dam located in Onondaga County, New York, built in 1977. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Glencliff Road Detention Basin Dam
The primary purpose of Glencliff Road Detention Basin 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 Village Of Manlius (local government). It impounds the Tr-sweet Road near Manlius.
The dam stands 13 feet tall and stretches 148 feet across, has a maximum storage capacity of 12 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1977, the structure is 49 years old.
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 10/23/2023.
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Location
| State | New York |
| County | Onondaga |
| Nearest City | Manlius |
| River/Stream | Tr-sweet Road |
| Coordinates | 42.99444, -76.00667 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 148 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 12 acre-ft |
| Max Storage | 12 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 907 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Village of Manlius |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/23/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY11752 |
| Federal ID | NY11752 |
| More Info | State Dam Safety Program |