Basic drinking water sources include piped water, boreholes or tube wells, protected dug wells, protected springs, and packaged or delivered water. Basic sanitation facilities include flush/pour flush to piped sewer systems, septic tanks or pit latrines: ventilated improved pit latrines, composing toilets or pit latrines with slabs. Thedecision to use the less strict definition of "basic" access allows wider country coverage, given the questions asked in the available DHS and MICS surveys. Available from: httpsWwww.unicef.org/media/media_68359.html (accessed on 11 May 2018).