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<DIV STYLE="text-align:Left;font-size:12pt"><P><SPAN>In 2015, the Maryland Department of Transportation State Highway Administration (MDOT SHA) received an NPDES MS4 permit (No. 11-DP-3313) from the Maryland Department of the Environment (MDE) to control storm-drain-system pollutant discharges in MS4-designated areas (see map below). The permit requires that we use restoration practices to treat 20% of existing MDOT SHA impervious surfaces and address stormwater wasteload allocations (WLAs) established under US Environmental Protection Agency (EPA)-approved Total Maximum Daily Loads (TMDL).</SPAN></P></DIV> |