The Illinois EPA on Monday rejected a permit application to operate and close a coal ash impoundment at the Lincoln Stone Quarry outside Joliet, saying the company failed to prove it could stop groundwater contamination or fully cover cleanup costs. The move forces Midwest Generation, the Joliet plant operator linked to NRG, to go back to the drawing board with a substantially revised plan and puts a clear timeline on what happens next.
IEPA Says Plan Left Big Technical And Money Questions
In a formal denial letter, the agency concluded the draft operating permit did not show the site could run without breaking Illinois environmental rules. Regulators flagged problems with the design of the groundwater monitoring network, a preliminary closure…..