"On July 1, 2010, major cleaning product manufacturers finished removing phosphates from all home automatic dishwasher detergents sold in the U.S. The reformulation, the result of new laws in 16 states, was heralded as a win for the environment.
Unfortunately for companies marketing automatic dishwasher, or ADW, detergents, the story didn’t end there. Although fish might be happy that there are now less phosphorus-fed algae in rivers and lakes, consumers aren’t happy with many of the new phosphate-free products."Source: Chemical & Engineering News, 01/24/2011