1981 Press Photo Sewage manger, Robert Hyde tests water at Bark River Outlet

Delafield--A state law that would standardize the amount of phosphates that can be discharged into lakes and rivers by sewage treatment plants may be one outcome of a study on the Bark River. The study is being done by the State Department of Natural Resources. Robert Hyde, manager of the Delahart Sewage Treatment Plant stood at a Bark River outlet.

Photo measures 6.5 x 10 inches. Photo is dated 08-21-1981.

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