Biosolids facility breakdown contributing to projected $6.8-million Sarnia deficit

Sarnia is in the middle of an $8-million, multi-year plan to upgrade its biosolids processing facility, which broke down late last year. Both centrifuges at the excrement-processing sludge facility failed, meaning Sarnia had to contract a “dewatering” service for about two months to keep the process going, to create farm field fertilizer, said city engineering and operations general manager David Jackson. The overall hit is about $1.5 million – $700,000 in 2024, and about $800,