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Municipal Water and Wastewater Survey

Environment Canada has ended the Municipal Water and Wastewater Survey. Data from past surveys remains available.

The Municipal Water and Wastewater Survey (MWWS) was a survey of all Canadian municipalities with population over 1000 and a sample of those with population under 1000 (excluding First Nations communities), which was conducted every two or three years since the early 1980s. The survey collected data on water sources, water use, water conservation, wastewater treatment level and water and wastewater pricing at the municipal level. The ongoing trend-line analyses and extensive data made available provide information that supports water management decisions in the broader context of ecosystem management.