The Moapa Valley is a fertile stretch of land In the Mojave Desert, 50 miles northeast of Las Vegas. Nourished by a network of artesian springs which bubble up from deep underground, the land for years produced carrots, spinach, cantaloupe, tomatoes and potatoes and today produces primarily alfalfa and onions. In considering potential arsenic treatment solutions, the District evaluated both coagulation/filtration and adsorptive filtration media because of their proven performance at other sites across the country. Read the full case study to learn how the De Nora SORB 33 was selected to reduce arsenic levels at this location.