Wastewater Collection & Treatment

The City of Hamilton collects and treats both sanitary and combined sewage from the large underground wastewater collection sewer system.

The City of Hamilton manages both combined and separated sewer systems across the City.

Sanitary sewer systems and stormwater sewer systems should exist entirely separate from one another, but in some homes they cross-connected

Bypasses and CSO events are a necessary operating condition to prevent rainwater and wastewater from backing up and causing basement flooding, surface flooding of our roads and potential damage to the Wastewater Treatment Plants.

Biosolids are a result of the treatment of sewage in a wastewater treatment plant. When treated and processed, biosolids can be recycled and used as fertilizer to maintain or improve soil conditions and promote plant growth.

The City of Hamilton created a voluntary Wastewater Quality Management System (WWQMS) to improve our existing wastewater systems and processes and red