BROOKLYN - The Environmental Protection Agency (EPA) has extended the deadline for the public to weigh in on its plans to clean up the Gowanus Canal.

Officials plan to dredge contaminated sediment from the canal and create controls to prevent raw sewage from flowing into the water. The entire process could cost up to $500 million and would likely take nearly a decade to complete.

The agency named the canal a superfund site in 2010, which means it can force polluters to pay for the restoration.

The public now has until April 27 to submit its comments about the cleanup plan by email or regular mail.