Sep 27 Environment MSD Outlines Progress on Sewer Improvements at Public Meeting The Metropolitan Sewer District is in the process of implementing a 19-year $850 million plan to upgrade the county’s sewer systems and improve water quality. The MSD held an open house today to answer questions about the project. Inside the Watterson Expressway, there are combined sewers, where rainwater, wastewater and sewage mix. In the outer […] By Erica Peterson Sep 27 Environment MSD Outlines Progress on Sewer Improvements at Public Meeting Erica Peterson