Chicago River cleanup focus turns to sewage overflow, climate resiliency 05:31. ... or CSOs, at which point stormwater and wastewater are both carried in the same pipe.

The EPA ordered Wyandotte County to stop the overflow, which increases residents' risk of exposure to toxic chemicals, ...

Heavy rains over the weekend caused a rare combined sewer overflow (CSO) into the Willamette River as the Big Pipe system ...

Sewage and stormwater began spilling into the Willamette River around 2:30 on Sunday afternoon, when weekend rains overflowed Portland’s Big Pipe system. The sewage-stormwater mix drained into ...

The most up-to-date readings of the James River, shared by the James River Association, show high levels of E. Coli concentration from the 14th Street takeout steps to Rockett's Landing.

“The amount of CSO discharged is heavily correlated to weather. Because 2023 was a significantly drier year, the above ...