Hampshire has agreed to make upgrades at its largest fish hatchery as part of a proposed settlement

 Hampshire has agreed to make upgrades at its largest fish hatchery as part of a proposed settlement following allegations that the facility was polluting nearby waterways, the U.S. Department of Justice announced Thursday. The state will take action to reduce phosphorus in its discharges from the Powder Mill State Fish Hatchery to the Merrymeeting River. As part of the settlement, the state agreed to construct a new wastewater treatment systems. It also agreed to reconfigure the facility’s tanks to promote the settling of solids containing phosphorus so it can meet permit limits by Dec. 31, 2025.