Metropolitan St. Louis Sewer District in Missouri to Pay $4.7 Billion to Cut Sewer Overflows

The Metropolitan St. Louis Sewer District (MSD) has agreed to make extensive improvements to its sewer systems and treatment plants, at an estimated cost of $4.7 billion over 23 years, to eliminate illegal overflows of untreated raw sewage, including basement backups, and to reduce pollution levels in urban rivers and streams.