the city of slater, iowa, has adopted the groundbreaking gross-wen technologies’ (gwt) revolving algal biofilm (rab™) system for wastewater treatment, becoming the first in the state to do so. governor kim reynolds attended the treatment facility’s grand opening and expressed her excitement about the technology’s potential. watch this video to learn more from snyder & associates’ vice president mark land, p.e., cfm, and john kahler, mayor of slater, about collaborating with community leaders and local companies to create a more efficient and eco-friendly future.