In our Reality Check stories, Tri-City Herald journalists seek to hold the powerful accountable and find answers to critical questions in our community. Read more. Story idea? News@tricityherald.com.

Dry sludge produced from Gaza Wastewater Treatment Plant, May 2007. There are no treatment facilities for sludge in Gaza and it is just exposed to dry in the sun before disposing to the solid waste ...

What goes down your toilet can end up on farm fields across the United States. Biosolids, or sewage sludge, are the solid byproducts of the wastewater treatment process. Rich in nutrients, they can be ...

Lime-softening sludge is a by-product of the process of water treatment for industrial purposes. Water occurring in nature is frequently characterised by a high carbonate hardness caused by the ...