WASHINGTON, May 26 (TNSpol) -- The Water Environment Federation issued the following news release: The Water Environment Federation (WEF) is recognizing 15 utilities for significantly reducing nutrient pollution, one of the leading problems for the health of waterways across the U.S. The utilities were selected through Nutrient Smart (NSmart), a collaboration between WEF and the U.S. Environmental Protection Agency (EPA) to recognize utilities that have demonstrated nitrogen or phosphorus reduc  more