Major restoration effort to improve water quality in Iowa’s Black Hawk Lake continues

Dredging work planned for Black Hawk Lake will improve overall water quality, fish habitat and recreational opportunities. An area approximately 174 acres in the eastern main basin of the lake will be deepened to nine feet, removing about 750,000 cubic yards of material from the lake. Dredging will help manage aquatic vegetation in the main basin of the lake, reduce re-suspension of sediments due to wind and wave action, and remove high-phosphorus sediments.

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