DC Water operates a wastewater collection system comprised of "separate" and "combined" sewers. Since the early 1900's, sewers constructed within the District have been separate systems and no new combined sewer system (CSS) have been built.
A “hotspot” is a site where anyone with a computer or other device with Wi-Fi capability can come and browse the Internet for free using the District’s wireless network. OCTO has installed hotspots in every Ward to provide convenient, citywide Wi-Fi Internet access for all.
The DC Office of Zoning (DCOZ) is proud to introduce a new and improved comprehensive zoning map for the District of Columbia. The interactive zoning map allows users to determine the zoning classification for any property in the District.