Man-made wetlands turn wastewater into tap water (1)

The State 2014.08.03 20:51
FAIRFIELD, Texas - As murky water snakes through a man-made wetland between Dallas and Houston, its shallow ponds of lush vegetation slowly filter out phosphorous and nitrates until, a week later, the water runs clear as a creek into the area drinking supply. The 2,000-acre wetland system in Fairfield converts what is mainly treated wastewater that would otherwise flow into the Gulf of Mexico into an
TURN, WETLAND, ACRE, FILTER, SHANNON, MAN, Wetland, Franklin, Shannon, River, Marshall, USA, Мексика