of 20,000 picoCuries per liter, currently set by the EPA. However, Exelon agreed to provide bottled water to residents of Godley and to residents within 1500 feet of the blowdown line to the Kankakee River. Seismic risk The Nuclear Regulatory Commission's estimate of the risk each year of an earthquake intense enough to cause core damage to the reactor at Braidwood was 1 in 136,986, according to an NRC study published in August 2010. See also List of largest power stations in the United States Largest nuclear power plants in the United States Notes References Further reading External links Braidwood Nuclear Generating Station official website Energy infrastructure completed in 1988 Buildings and structures in Will County, Illinois Nuclear power plants in Illinois Nuclear power stations using pressurized water reactors Exelon