If you pick up most water-related journals these days, it seems as if half the papers are devoted to applying some optimization techniques to solve some real problem. However, almost none of these methods actually find their way into water...

Flow control valve (FCV) elements are the most abused elements in WaterGEMS/WaterCAD. If I had my way, I would eliminate them as model elements. In the many years I have been working with water and wastewater systems, I can’t recall...

Most of us are familiar with the concept of “triage” in medical emergencies. During large-scale crises, medical staff can only treat a certain number of patients. To prioritize which patients receive treatment first, they apply the principle of “the greatest...

“Variable frequency drives (VFDs) are valuable technology, and they always save energy in water and wastewater system pumping.” The first part of that statement is true, and the second part is generally true but not always. There are exceptions that...

Engineers and scientists love graphs. With one image, they can convey as much information as many pages of text and do it in a way that can be clearly visualized. Nowadays, with software, we can do so much more with...