The City Council is headed back to the drawing board over zoning approved in April for Nordic Aquafarms and subsequently challenged by a lawsuit.

Public hearings will be held at 6 p.m. tonight, Sept. 25, and also Tuesday, Oct. 9, at Troy Howard Middle School.

The council will be reviewing Planning Board recommendations relating to zoning amendments that were created specifically for the proposed $150 million land-based salmon farm, which would be built on undeveloped land near the Northport town line and adjacent to Little River.

Most significantly, the Planning Board is recommending that the city add safeguards for significant groundwater extraction, and significant water intake and discharge pipes.

Opponents of the salmon farm have used past public hearings to voice a wide range of concerns about the salmon farm, from the potential of endangering drinking water supplies and polluting the bay, to putting the interests of a large corporation before those of residents.

City officials have continued to support the salmon farm proposal as a large new source of tax revenue.

Anticipating spillover of Nordic-related comments, the council voted to limit public comment sessions at regular City Council meetings on Oct. 2 and Oct. 16 to one hour, to allow time for other city business.