IEPA Annual Reports
IEPA Annual Report for NPDES Permit for Stormwater Discharges from MS-4
- Report Period March 2015 through February 2016
- Report Period March 2014 through February 2015
- Report Period March 2013 through February 2014
- Report Period March 2012 through February 2013
- Report Period March 2011 through February 2012
- Report Period March 2010 through February 2011
- IEPA NPDES Permit Program Public Notice & Fact Sheet 2013