Untreated sewage flows into the Merrimack from cities that use combined sewer systems, which overflow during heavy rainfall.

The Red Hook tank is critical to the success of the Gowanus Canal Superfund cleanup and will prevent contamination of the ...

Widespread rain and isolated thunderstorms are expected to start around midnight and last through mid-morning Wednesday.

A long-delayed project critical to the success of the Gowanus Canal Superfund cleanup reached an early milestone this week, ...

Results thus far are favorable as the end approaches for a required five-year study designed to gauge the effectiveness of the Altoona Water Authority’s Combined Sewer Overflows, according to a ...

Many of the recent efforts to get cities to comply with the Clean Water Act have therefore focused on eliminating combined sewer overflows (CSOs). In Toledo, the 2002 settlement of an 11-year-old ...