Wastewater Treated


Measure of the City's ability to treat and process wastewater demands of the community.

Story behind the numbers

This metric shows how much wastewater is treated and discharged to the natural environment. Weather influences the flow of water to the treatment plant due to Hamilton having a large area where combined sewers. In Q2 2017, the average increased to 476.7 ML/d due to high lake volume levels as a result of rainfalls.

Performance improvements

The Woodward Wastewater Treatment Plant Upgrade project is a multi-year initiative that will improve effluent quality (wastewater discharge to the Harbour) and increase capacity for future demands.

Quarterly average wastewater treated - ML/d (megalitres per day)*

Woodward and Dundas Wastewater Plant Flow

Year Q1 Q2 Q3 Q4 Yearly Average
2016 363.1 311.0 266.4 278.9 304.9 ML/d
2017 357.1 476.7 314.3   382.7 ML/d (YTD)

1 Megalitre =  1,000,000 Litres