A introduction to MS4 program and municipal stormwater permits in Illinois (ILR40 NPDES Permits)
An introduction to MS4 program and municipal stormwater permits in Illinois The intent of this paper is to provide a basic understanding of the recently reissued MS4 permits in Illinois. A brief history of stormwater regulations includes the federal Clean Water Act (CWA) of 1972 which was implemented by the United States Environmental Protection Agency…