The latest tests of poisoned water in West Virginia have shown that the quality is improving “in the right direction,” the state’s governor said Sunday — a hopeful sign for the 300,000 residents currently under a strict tap water ban following a chemical spill four days ago, NBC News reported. "We are at a point where we can see a light at the end of the tunnel," Gov. Earl Ray Tomblin said at a news conference. But officials stopped short of saying when the do-not-use order would be lifted.
