MASSENA—The spillway gates at Long Sault Dam are scheduled to open Monday, April 30, at approximately 5 a.m., to release water in the St. Lawrence River. This spill will result in changing …
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MASSENA—The spillway gates at Long Sault Dam are scheduled to open Monday, April 30, at approximately 5 a.m., to release water in the St. Lawrence River. This spill will result in changing conditions in the South Channel of the river. A warning siren at the Long Sault Dam will sound just prior to the start of spilling activities.
Members of the public should:
• Use caution on the river
• Keep back a minimum of 800 ft. from the Long Sault Dam spillway and Robert Moses Power Dam, both on the upstream and downstream side
• Be aware of changing river conditions and strong currents
The spilling will take place during maintenance outages of a generating units at both NYPA and Ontario Power Generation. Spilling activities could take place through May 4.
Outflows from Lake Ontario are established on a weekly basis by the International Lake Ontario and St. Lawrence River Board (ILOSLRB). The Board, in conjunction with its staff, continues to monitor and reassess conditions on an ongoing basis. Information on hydrologic conditions, water levels and outflows, including graphics and photos, are available on the Board’s website and posted to the Board’s Facebook page at https://www.facebook.com/InternationalLakeOntarioStLawrenceRiverBoard