Library Search More Search Options Looking for more? Visit Career Opportunities to join our team at Earthjustice Visit Action Alerts for ways to get involved and take action Visit Our Team to meet Earthjustice's senior leadership and program staff feature November 3, 2022 Mapping the Coal Ash Contamination 746 coal ash units in 43 states and Puerto Rico have reported information in compliance with federal coal ash safeguards since 2015. Here’s what the data said. Press Release August 26, 2010 New Study Shows Coal Ash Water Contamination Much Worse Than Previous Estimates 39 additional sites where coal ash is contaminating water are discovered, a total of 70 sites since February far exceed previous EPA estimates