In heavy storms, Sacramento's CSS can reach its capacity quickly. When that happens, combined sewer overflows, or CSOs, can spill into the streets and, in rare cases, the Sacramento River.

The years-long projects to fix Des Moines’ sewer system are almost done. The Ingersoll Run Project is wrapping up its final ...

Des Moines finished a project started in the 2000s to get rid of its sewer infrastructure that was at risk of releasing untreated wastewater into the river.

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 ...

It may come as a surprise to many that the rainier-than-average spring, and one of the city's rainiest on record, hasn't led to more combined sewer overflows. So, what happened — or, more ...

Trucks and pipes will be a common sight in the River Terrace area off Northampton Street, as a massive sewer project begins.

The new line will eliminate three sewer overflows that discharge about 35.5 million gallons of combined sewage annually into the Mahoning River during heavy rains. “The good news is it ...