As of last night, nine counties in West Virginia were still under a state of emergency after a chemical company spill leaked into the Elk River last week. The spill contaminated the Kanawha Valley water system, the largest and most complex water system in the state, with over 100 water storage tanks and more than 1,700 miles of pipeline.West Virginia American Water, which operates the water system, issued a “Do Not Use Water” notice for all affected counties, which included more than 300,000 water customers.The chemical — 4-methylcyclohexane methane — is used in coal processing and was traced to Freedom
