Crowder College, Environmental Sciences, Water and Waste Water Management and Treatment Crowder College is designated as the Missouri State Training Center for Water Quality Personnel. Crowder College offers a non-degree certificate in Environmental Health Technology. The course prepares students for the class D wastewater treatment license exam. The intensive academic and hands-on laboratory training provide a sound foundation for future employment. Waterschool.org~Site InfoWhoisTrace RouteRBL Check