Senior Service Network Service Locations. The dataset contains locations and attributes of select Office of Aging listed services, 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. The DC Department of Aging and Community Living (DACL) website and Senior Service Directory identified aging service locations and DC GIS staff geo-processed the data. Services include adult day care, adult education, advocacy, case management, group housing, job training, group meals, health care support, legal assistance, recreation, transportation, and wellness.