Aerobic granular sludge (AGS) represents a transformative approach in wastewater treatment by utilising dense, compact microbial aggregates capable of simultaneously removing organic carbon, nitrogen, ...

The City of Hastings has enhanced its wastewater treatment process with recent upgrades at the Pollution Control Facility ...

Fertilizer containing potentially unsafe levels of “forever chemicals” has been used around the country. By Hiroko Tabuchi For the past year, I’ve been reporting on how “forever chemicals,” a group of ...

Sludge, a byproduct of sewage treatment, is often spread on fields as fertilizer. But growing research shows that toxic chemicals like PFAS are lurking in the muck — and getting into our food. Sludge, ...

For years a textile mill gave farmers its sewage sludge as free fertilizer. Today the land is full of “forever chemicals.” For years a textile mill gave farmers its sewage sludge as free fertilizer.

The Biden administration in its final days issued a draft health risk assessment level for some PFAS in sludge that would have dramatically limited the use of the substance, also called biosolids, as ...