Data quality, concepts and methodology: Variables measured
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The survey questionnaire was designed in consultation with specialists at Statistics Canada, Health Canada, Environment Canada, and provincial agencies that regulate drinking water facilities. The information collected included the sources of raw water, the volumes of raw and treated water processed by the drinking water plants, the classification of the drinking water plants, the treatment processes used, and the quality of the raw and treated water. Capital expenditures and operation and maintenance costs related to drinking water treatment were also collected.
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