No swimming advisories or closures reported for Oswego County, NY right now.
As of Fri, 04 Sep 2026 17:00:49 GMT · refreshes hourly
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BRENNAN'S BEACHOpen
Beach is put under a swimming advisory due to known or expected contamination (e.g. sample exceedance, sewage spill).
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CHEDMARDOOpen
Beach is put under a swimming advisory due to known or expected contamination (e.g. sample exceedance, sewage spill).
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DOWIE DALEOpen
Beach is put under a swimming advisory due to known or expected contamination (e.g. sample exceedance, sewage spill).
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MEXICO POINT STATE PARK (TOWN)Open
Beach is put under a swimming advisory due to known or expected contamination (e.g. sample exceedance, sewage spill).
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ONTARIO SHORES (Rainbow Shores)Open
No active advisories reported.
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SANDY ISLAND BEACH STATE PARKStatus updated by another entity
Status is maintained by New York State Office of Parks, Recreation and Historic Preservation — check their site for the latest.
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SELKIRK SHORES STATE PARK BEACHStatus updated by another entity
Status is maintained by New York State Office of Parks, Recreation and Historic Preservation — check their site for the latest.
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SELKIRK SHORES STATE PARK BEACH - SOUTHStatus updated by another entity
Status is maintained by New York State Office of Parks, Recreation and Historic Preservation — check their site for the latest.
Where this comes from
Beach status reflects public monitoring data from the New York State Department of Health and county health departments — Open, Water quality advisory, or Closed to swimming. Some beaches are managed by another agency and show as “no data.” It is our reading of that data, not an official determination, and it refreshes hourly. Always confirm with the operating agency before you swim.