PEA RIDGE -- City Council members approved a contract with McClelland Consulting Engineers for a wastewater treatment plant rotary filtration system and approved waiving competitive bidding for the ...

A proposed plant that would use a high-heat process to turn sludge into fertilizer has residents worried about odors and ...

Rock Springs’ new $20 million solar sludge-drying system will start drying out human waste year-round starting in the summer. “It allows us to take ...

NY sludge fertilizer ban dies in Assembly amid PFAS fears, industry pushback, and rural concerns. A New York Senate bill to ban sewage sludge as farm fertilizer, citing PFAS contamination risks, ...

In a major step towards improving urban sanitation and environmental management, Chandrapur district in Maharashtra has introduced a high-tech sludge management system developed by the Council of ...