The St. Louis Post-Dispatch reports that for 19 years, a coal ash storage pond owned by the power company Ameren. The unlined pond in Labadie has never been linked to groundwater contamination, but a slow and steady leak from the site has been known of by Ameren and Missouri state regulators for nearly two decades. Similar ponds in Venice, Illinois are most likely to be capped (by state requirement), and a similar strategy may come to Labadie.