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