The EPA today issued its decision on Missouri's water quality standards, approving how the state categorized 244 streams, rivers and lakes.
That decision means water bodies newly designated for high contact uses like swimming will need more protection.
Some sewage treatment plants, municipalities and others will need to start treating their wastewater discharges.
The Environmental Protection Agency is looking for possible water contamination in Southeastern Missouri, in the area affected by the Birds Point levee breach.
The U.S. Army Corps of Engineers blew up a Mississippi River levee at Birds Point on May 2 to protect upstream communities like Cairo, Ill.
The levee breach flooded 130,000 acres of Missouri farmland, including a confined animal feeding operation.
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