Leopold® has long been a worldwide leader  in the water and wastewater treatment industry supplying both filtration and clarification systems. Since its establishment in 1924, Leopold® has pioneered and acquired a number of innovative technologies aimed at improving the quality of water while reducing costs. Although more than 8,000 American cities and towns have treatment plants featuring Leopold® products, our influence has not been limited to North America. Clients around the world have also come to rely on Leopold’s expertise and technological leadership in water and wastewater treatment.