These statistics are for the career grouping of Machine Operators and Related Workers in Chemical, Plastic and Rubber Processing (NOC 942), which includes Water and Waste Plant Operators.

Workers are employed in the following industries: Utilities (64%), Public administration (16%), Manufacturing (8%), Administrative and support, waste management and remediation services (7%).

This occupation (Water and Waste Plant Operators) is part of a larger group called Machine Operators and Related Workers in Chemical, Plastic and Rubber Processing (NOC 942). According to the Labour Force Survey (2009), the unionization rate for this group was 35%, while the unionization rate for all occupations was 31%.