The National Dissemination of Results of the Rapid assessment of urban communities to optimize Public Health Interventions: water infrastructure in sub-Saharan Africa (RINSS) Study took place on 19th May 2022 in Lusaka. One of the objectives of the study was to use the Broad-Brush Surveys (BBS) approach to demonstrate how similarities and differences in local context relevant to water and sanitation infrastructure development across four urban communities and two countries can be rapidly assessed and compared.