District MS4 Sewershed drainage areas. The dataset contains locations and attributes of the drainage areas of MS4 outfalls created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. A database provided by WASA identified outfalls, drainage structures, and MS4 outfall locations. All DC GIS data is stored and exported in Maryland State Plane coordinates NAD 83 meters. METADATA CONTENT IS IN PROCESS OF VALIDATION AND SUBJECT TO CHANGE.