Ponds (lagoons) have been used for centuries with great success in the treatment of wastewater. Ponds created for treatment, known as stabilization ponds, model the physical and biochemical interactions that occur in natural ponds. Easy to build and manage, stabilization ponds can accommodate large fluctuations in flow, and provide results that are

Provides personnel a new understanding of how lagoon and fixed film sewage treatment systems work Tested in short-course situations by the author over the last 20 years Directs the material in a practical manner at operators who are responsible for process control and troubleshooting Reduces the jargon, chemical equations, and kinetics that overwhelm most operators and laboratory technicians Provides necessary information for understanding biological and chemical conditions at the treatment process