Create an Account - Increase your productivity, customize your experience, and engage in information you care about.
2017-2018 IEPA Annual NPDES Permit for Stormwater Drainage 2016-2017 IEPA Annual NPDES Permit for Stormwater Drainage (PDF) 2015-2016 IEPA Annual NPDES Permit for Stormwater Drainage (PDF) 2014-2015 IEPA Annual NPDES Permit for Stormwater Drainage (PDF) 2013-2014 IEPA Annual NPDES Permit for Stormwater Drainage (PDF)