 
<prompt> Improved water source by state | Percentage of households with improved source of drinking water | (Sokoto, 34% - 45%) (Kebbi, 46 % - 56 %) (Zamfara, 46 % - 56 %) (Katsina, 57 % - 69 %) (Kano, 57 % - 69 %) (Jigawa, 80 % - 90 %) (Yobe, 57 % - 69 %) (Borno, 70 % - 79 %) (Niger, 57 % - 69 %) (Kaduna, 57 % - 69 %) (Bauchi, 57 % - 69 %) (Gombe, 34 % - 45 %) (Kwara, 57 % - 69 %) (FCT - Abuja, 57 % - 69 %) (Kogi, 57 % - 69 %) (Plateau, 34 % - 45 %) (Adamawa, 46 % - 56 %) (Taraba, 34 % - 45 %) (Oyo, 70 % - 79 %) (Ogun, 70 % - 79 %) (Osun, 80 % - 90 %) (Ekiti, 80 % - 90 %) (Ondo, 57 % - 69 %) (Edo, 70 % - 79 %) (Delta, 70 % - 79 %) (Enugu, 70 % - 79 %) (Nasarawa, 70 % - 79 %) (Benue, 70 % - 79 %) (Imo, 80 % - 90 %) (Cross River, 46 % - 56 %) (Bayelsa, 46 % - 56 %) (Rivers, 70 % - 79 %) (Lagos, 46 % - 56 %) (Anambra, 70 % - 79 %) (Akwa Ibom, 70 % - 79 %) (Abia, 80 % - 90 %) (Ebonyi, 70 % - 79 %) <response> The percentage of households with improved sources of drinking water is highest in the South East (81%) and lowest in the North East (60%). Across the states, access to an improved source of drinking water is lowest in Sokoto (34%) and highest in Imo (90%).  