Discharge going into Muskoka sewage lagoons raises concerns, District staff to tighten oversight

Discharge going into Muskoka sewage lagoons raises concerns, District staff to tighten oversight

Recent samples taken from hauled septic discharges have identified extremely high chloride concentrations being discharged into Muskoka sewage lagoons. District staff raised the issue at a joint Engineering and Public Works and Finance and Corporate Services meeting held on Oct. 22, 2025. They said monitoring had revealed extremely high chloride concentrations, in some cases over 200,000 mg/L, far exceeding levels typically found in hauled resid…