Oswego River Watershed Flood Control Onondaga Reservoir Onondaga Creek New York PDF Download

The Onondaga Dam is located on Onondaga Creek in the Town of Lafayette, Onondaga County, New York, approximately 13.2 miles upstream from Onondaga Lake. The dam is used as a flood protection facility for the City of Syracuse. The visual inspection revealed that the embankment is in good condition and has been properly maintained throughout its life. No conditions were detected which might indicate instability of the structure. The surficial cracking of the exposed concrete of the spillway structure indicates that more serious spalling may soon occur. A protective coating designed to protect the structure from penetration of moisture into the concrete surfaces would serve to slow the spalling process and preserve the concrete in its present condition. This coating should be undertaken in the course of standard maintenance procedures.