Joint Base Myer-Henderson Hall has been approved for coverage under the Virginia Small Municipal Separate Storm Sewer System (MS4) general permit for discharges of stormwater from the Installation's outfalls on Fort Myer and Henderson Hall. To review the MS4 Permit, MS4 Program Plan, or 2018 MS4 Annual Report, contact the Environmental Management Division (EMD) at 703-696-8055 or go to attached documents.To report potential illicit discharges, improper disposal, spills to the MS4, and other potential stormwater pollution concerns, or to submit complaints regarding land disturbing activities or input on the MS4 Program Plan, contact the EMD at 703-696-8055.