Action Letter to Illinois EPA on CAWS & LDPR water quality standards - May 2012

EPA's May 2012 action letter includes the approval of new recreational uses for 8 segments and the disapproval of recreational use downgrades for 4 segments. Illinois EPA submitted new and revised water quality standards for the Chicago Area Waterway System and Lower Des Plaines River in September 2011.

• Letter to Illinois EPA (pdf) (478.97 KB, May 10, 2012)