Onondaga County closes waterways amid hazardous flooding, debris concerns

Onondaga County shut all local waterways to non-commercial boating after spring flooding pushed water levels high enough to hide debris, shrink bridge clearance and create dangerous currents across lakes, rivers and creeks.

County Executive Ryan McMahon issued the emergency proclamation and local emergency order on April 8, saying the closure was meant to protect people around beaches, marinas, docks, adjacent roadways and nearby properties. The local order was set to run through April 13 unless it was lifted sooner or extended, while the broader proclamation of emergency was set to remain in place for 30 days, through May 8. Officials said a National Weather Service flood warning for Onondaga County was in effect until Wednesday at 2 p.m., and warnings at Onondaga Lake Park were to stay up until the river dropped below flood stage.

The county said submerged debris, reduced bridge clearance and strong currents made the waterways hazardous to navigate, especially for boaters tempted to launch despite the closures. A county spokesperson said the county had not faced this kind of widespread waterways closure in about a decade, underscoring how unusual the conditions were. The weather pattern followed several days of flooding near waterways and lakes, fed by an exceptionally wet March and more heavy rain that left the ground saturated and runoff moving quickly into low-lying areas.

In Cicero, officials declared a local state of emergency and restricted all non-essential traffic on Beach Road through April 13 because of flooding from Oneida Lake. Residents along the road and emergency vehicles were exempt, and the town said sandbag stations had been restocked with several thousand sandbags and supplies. The response reflected the wider reach of the high water, which affected not only recreation but also shoreline properties, low-lying roads and emergency access in communities around Oneida Lake, Onondaga Lake and connected waterways.

The flooding also revived concerns about how vulnerable the county’s water infrastructure can be under stress. In 2024, Onondaga County was under a court order to replace the 42-inch Ley Creek Force Main after ruptures sent tens of thousands of gallons of untreated sewage into Onondaga Lake, a reminder that water problems in the county can quickly become both environmental and public-safety emergencies. For now, county officials were asking people to stay off the water and let conditions improve before reopening the region’s lakes, rivers and creeks.