FIGURE 2—

Aerial Photographs, With Locations of Housing Units and Manhole Points, of Jails in (a) Cook County, IL; (b) Fulton County, GA; (c) Middlesex County, MA; and (d) Washington, DC: 2020–2024

Note. Cook County Jail provided residential housing across 16 buildings. Each had its own wastewater-based sampling site. Specific locations are not shared because of security concerns. Proxy/representative site at Fulton County Jail represents sampling site that pools wastewater from the majority of housing sites in the jail.