EPCOR's responsibility for sewer servicing begins where your property ends. Your household plumbing is only the start of a massive sewer network.
This sewer network consist of 3 systems:
Combined Sewer - A system of sewers designed to collect and convey wastewater AND runoff from urban areas to the receiving stream or to a treatment plant if one is available.
Storm Sewer - A system of sewers designed to collect, store and convey runoff from urban areas to a receiving waterbody.
Sanitary Sewer - A system of sewers designed to collect and convey household and industrial wastewater from urban areas to a wastewater treatment plant (Gold Bar Wastewater Treatment Plant).
The following diagram illustrates the examples of these systems: