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MADISON, Wis. (AP) — State environmental officials want to know how they should reduce phosphorus pollution in the Rock River basin.
The Department of Natural Resources adopted sweeping rules this summer to limit phosphorus in state waters. Portions of the rules affecting wastewater plants went into effect this month. More provisions addressing agricultural runoff take effect in January.
The DNR plans a public hearing on Dec. 16 in Lake Mills to discuss an implementation plan for the Rock River basin, including the Horicon Marsh, a key oasis for migratory birds. The agency will take written and electronic comments on the plan through Jan. 21.
Scientists believe phosphorus pollution can lead to excessive algae and plant growth.
