Don Lloyd of Little Creek Hog Farms demonstrated his $150K purifying system by drinking what only six hours ago was "pig water." Hog farming is a big environmental problem with "hog lagoons" threatening rivers, underground water springs and constantly releasing airborne pollutants. Lloyd's system is one of many that received a state grant and it is competing against others to get selected by North Carolina as the solution to their porcine waste problem. It is estimated that this system is 40% cheaper to operate than a lagoon, but its most interesting characteristic is that it makes the waste water potable and turns the solid waste to compost. Very promising, at least until everybody becomes vegetarian.