Oily Sheen Appears on Buffalo River Near Bridge

Officials are working to contain an oily substance reported on the Buffalo River near the South Ogden Street bridge.

Updated on Oct. 26, 2026 in Current Conditions

Iridescent oil film floating on a calm river surface near a concrete bridge piling under overcast skies. — New York state environmental officials are investigating an oily sheen discovered on a one-mile stretch of the Buffalo River near South Ogden Street. AI Illustration. Upload story photo >

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On October 4, 2026, authorities responded to reports of an oily sheen on the Buffalo River. The substance stretches approximately one mile downstream toward the Seneca Bluffs Natural Habitat Park.

Why it matters

The appearance of the sheen raises environmental concerns for the Buffalo River, a body of water that has been historically classified as impaired. Investigators are working to pinpoint the source of the spill to prevent further impact on the local waterway.

The sheen extends for one mile downstream from the South Ogden Street bridge. Samples taken from a sewer outfall were too diluted to identify the specific material causing the contamination.

The players

State Department of Environmental Conservation

This agency is responsible for overseeing environmental quality and managing responses to pollution events across the state.

Buffalo Sewer Authority

This entity manages municipal wastewater infrastructure and collaborated on the inspection of outfalls following the spill.

The details

The state Department of Environmental Conservation installed absorbent booms around sewer outfalls after receiving the report. Sewer Authority workers also inspected outfalls and manholes in the area to locate a potential leak, while testing confirmed that a nearby gas pipeline is not the source of the sheen.

October 4, 2026: The spill was reported to the state Department of Environmental Conservation.
May 2026: A similar mystery sheen appeared at the same bridge location.
1998: The river was classified as an impaired waterbody by the DEC.
1987: The river's lower six miles were designated as an Area of Concern.

Seasonal Patterns

The river has been under the Buffalo River's 1987 Area of Concern designation for decades, reflecting long-term efforts to address the legacy of industrial activity. This recent incident follows a pattern of localized pollution sightings that persist despite ongoing remediation programs.

Residents should avoid contact with the water near the South Ogden Street bridge and Seneca Bluffs Natural Habitat Park until official safety advisories change. Please report any further sightings of suspicious substances to the state Department of Environmental Conservation.

The takeaway

Maintaining the health of the Buffalo River remains a complex challenge due to its history of industrial use and subsequent classification as an impaired waterbody. Authorities continue to monitor the site to protect the river and prevent future contamination incidents.