powder mill fish hatchery lawsuitPowder Mill Fish Hatchery Lawsuit Powder Mill is the state s largest hatchery Judge dismisses one count against fish hatchery operator 2020215 ensp· enspJudge dismisses one count against fish hatchery operator allows pollution claim to move forward By Dan Sanderson Staff Writer A circuit judge ruled that part of a lawsuit alleging a fish farm is polluting the AuSable get price