Figure 1From: Occurrence of potentially pathogenic nontuberculous mycobacteria in Mexican household potable water: a pilot studyHousehold sampling sites (●), in Mexico City. Gustavo A. Madero borough (site 1), Miguel Hidalgo borough (site 2), Benito Juárez borough (site 3), Magdalena Contreras borough (site 4), Xochimilco borough (site 5). Sites 1 and 5 received groundwater from wells and sites 2, 3 and 4 received surface water from rivers (see also Table 1).Back to article page