MSD Proposition Y Prop Y will fund five years of upgrades for MSD’s “Project Clear” consent decree with the federal government, which in turn will cost a minimum of $4.7 billion over two decades to fix sewage overflows and other sewer system improvements. Funding Project Clear through bond issues could add several billion dollars of interest to the final tab. Proposition Y was originally intended to go to voters in April 2020, but the vote was postponed after the onset of COVID-19 restrictions and stay-at-home orders in the weeks leading up to that election, which was ultimately postponed until June. In addition to Proposition Y, voters will also be presented with several potential changes to MSD Project Clear’s Charter. The work to be funded during this period, which is necessary to improve water quality in the region as part of an agreement between MSD, the U.S. Environmental Protection Agency and the Missouri Coalition for the Environment, includes nearly 300 projects designed to: