Achieving Phase IV in the AWWA’s Partnership for Safe Water is a big deal. But at Carlisle Borough, operating the water treatment plant according to Partnership goals and standards is even bigger.“We were the first water treatment plant in Pennsylvania to reach Phase IV,” recalls Peter Selan, director of the water plant, who retired in late February. “But we did something that nobody has ever done when we built the Partnership standards into our equipment specs, and used the standards — which were more stringent than our permit — as the target for our operational performance.”The key was getting everyone
