News By Topics

Final Remaining BUI, Degradation of Benthos, Removed at Muskegon Lake AOC

The last remaining BUI in the Michigan AOC, the Degradation of Benthos, was removed after federal, state, and local partners determined that measures of benthic community health met established criteria.

December 12, 2024

Fish Tumors or Other Deformities BUI removed at Black River and Cuyahoga River AOCs

Tumors and deformities were historically elevated in fish populations in the Black River and Cuyahoga River Areas of Concern (AOCs) as a result of legacy industrial pollution and poor water quality. Contaminant source control and water quality improvements in both AOCs, and remediation work in the Black River AOC, reduced rates of fish tumors and deformities to meet Ohio’s AOC restoration targets, prompting the removal of the Fish Tumors and Other Deformities Beneficial Use Impairment (BUI) from these AOCs.

December 8, 2023

EPA Confirms Habitat Improvements at Rochester Embayment Area of Concern in New York

EPA announces that habitat for mink and bottom-dwelling plants has improved enough to remove the Degradation of Fish and Wildlife Populations Beneficial Use Impairment from the Rochester Embayment AOC in Lake Ontario.

September 2, 2021