MoDNR staff member collects drinking water sample from a drinking water treatment plant

Certified operators are critical in providing an adequate and safe supply of water to the public. Operators are responsible for a variety of tasks centered around operating and maintaining a system or plant. They typically work in water treatment, distribution, water collection or wastewater. Certified operator positions involve using a wide variety of scientific and technical skills. 

The certified operator has a promising and stable field. The US Bureau of Labor Statistics estimated in 2016 there were 119,200 water and wastewater treatment plant operators in the United States. In general, jobs within the water industry remain relatively less affected by changes in the economy than other industries. For employment information, please visit the following: