At least basic drinking water access means an improved source that can be reached within a 30-minute round trip, including queuing. A safely managed service additionally needs to be on premises, available when needed and free from contamination under the relevant standard.
In WASHNORM 2021, 67% of Nigerians used at least basic drinking water services, compared with 13% using safely managed services. This distinction guides our emphasis on testing, service reliability and safe handling.