Related Links: D.C. Water's Blue Plains Undertakes Three Major Environmental Projects The Chesapeake Bay remains at risk, largely because of pollution from stormwater runoff, farms and wastewater treatment plants. Excess nitrogen and phosphorous from these sources deplete oxygen and create large “dead zones” in which algae blooms cut off sunlight vital to the survival of marine life and underwater grasses. In December 2010, the U.S. Environmental Protection Agency developed a bay-wide “pollution diet” that sets numeric limits on the total maximum daily load of nutrients each state in the watershed can contribute to the bay. Blue Plains already is meeting
Despite a faltering international market, 2015 and the beginning of 2016 are proving to be strong years for U.S. contractors, with steady domestic growth and only moderate strain from workforce shortages.