2 plants indexed.
Holtyre Wastewater Lagoon serves 188 people in Black River-Matheson Township, Ontario, Canada. The secondary treatment plant discharges 156 cubic meters of treated wastewater annually.
Matheson Wastewater Treatment Plant serves 805 people in Black River-Matheson Township, Ontario, Canada. It provides secondary treatment and discharges 522 cubic meters of treated wastewater daily.