Many experts say a filtration plant would be a blow.
And the city will have to complete a preliminary design of the filtration plant.
The city is under federal court order to build a filtration plant by 2007.
However, department officials said the park was still one of four sites being considered for the filtration plant.
Two years ago, the city proposed a number of measures to avoid the need for a filtration plant.
Though the company had agreed in 1993 to build a filtration plant, it never went forward with the construction.
At least not enough of a problem to commit the city to building a filtration plant any time soon.
Building a filtration plant would have cost billions of dollars.
Service to the filtration plant was continued through the use of trucks.
A $1.2 billion filtration plant is under construction in the Bronx.
