The Charles River, for example, has 10 different CSOs that flow into it. WBUR has built a tracker map that constantly updates based on real-time alerts for more than 180 CSOs across the state.

Take a deep dive into the hidden secrets of one of our oldest and most crucial networks, from Victorian solutions to sewage pile-ups, to modern ideas for disposing of ...

A map shows the route of London’s new super sewer, with just months to go until effluent will float through the mega structure for the first time. Known as Thames Tideway Tunnel, the new sewer ...