In an effort to continue supply of clean and safe water to communities TDI through its field staff persistently supports its 10 zones in Chitipa District (Churches, schools, villages and communities) in the maintenance and rehabilitation of functioning and non-functioning boreholes. Recent rehabilitated boreholes include Ngoya and Chisansu Secondary School boreholes. Ngoya borehole saves 68 households with a population of 327 people whereas Chisansu Secondary School borehole saves 325 students and 15 households comprised of 75 people in total serving 400 people.