According to the WHO, tap water is safe for consumption for 23% of the country.
There is a divide between rural and urban areas, tap water is safe to drink in 25% of urban areas, while it's only safe to drink in 21% of rural areas.
Tap water is not drinkable in Nigeria. Be careful also to avoid iced drinks. Buy bottled water, use a purifier or drink boiled water.
According to the CDC tap water is generally not safe for consumption.
According to the Numbeo water drinkability and accessibility index, tap water has a score of 37.78 / 100 (100 being best).
Numbeo considers this score to be "Low"
1 adult could save about 336$ per year in Nigeria by drinking tap water instead of buying bottled water.
๐ณ Drinking tap water would also help with reducing your plastic footprint and improve environmental pollution.