A long-delayed project critical to the success of the Gowanus Canal Superfund cleanup reached an early milestone last week, as the city finished excavating space for a massive underground sewer ...

A long-delayed project critical to the success of the Gowanus Canal Superfund cleanup reached an early milestone this week, as the city finished excavating space for a massive underground sewer ...

The $39,679,000 project includes the construction of a 6.1 million-gallon CSO-052 overflow storage tank. “It’s a combined overflow, so it’s storm and sewer,” he said.

The city touted the biggest single infrastructure investment in its history — a 1.7-million-gallon combined sewer overflow storage tank and lift station on the city's southwest side.