Elmira Reformatory Dam, located in Elmira, New York, is a state-owned structure on Heller Creek, completed in 1870 to primarily reduce flood risks in the area.
Wind
Humidity
Standing at a height of 28 feet and with a length of 695 feet, the dam has a storage capacity of 82 acre-feet and serves multiple purposes such as fire protection, stock or small fish pond, and flood risk reduction. With a spillway width of 50 feet and uncontrolled spillway type, the dam is designed to manage significant hazard potential in case of emergencies.
Managed by the New York State Department of Environmental Conservation (NYS DEC), Elmira Reformatory Dam undergoes regular inspections, with the last one conducted in September 2017. The dam is rated as having a moderate risk level (3) and is currently not assessed for its condition. Despite not having a formal emergency action plan in place, the structure meets regulatory guidelines and has emergency contacts updated periodically. The dam plays a crucial role in protecting the surrounding area from potential flooding events and remains an essential feature for water resource management in Chemung County.
Year Completed |
1870 |
Dam Length |
695 |
Dam Height |
28 |
River Or Stream |
HELLER CREEK |
Primary Dam Type |
Earth |
Surface Area |
7 |
Nid Storage |
82 |
Hazard Potential |
Significant |
Nid Height |
28 |
Chemung River At Elmira Ny
|
444cfs |
Chemung River At Corning Ny
|
142cfs |
Chemung River At Chemung Ny
|
496cfs |
Tioga River Near Erwins Ny
|
248cfs |
Tioga River At Lindley Ny
|
59cfs |
Cowanesque River Near Lawrenceville
|
86cfs |