TADEPA was registered in June 1997, it took time for TADEPA to start implementing activities has it had no fundss. In 2010, TADEPA started to implement HIV/ AIDS Prevention and Careactivities since 2001. Apart from these activites, the organization focused also on the side effects of AIDS. This included Widows/ers, Orphans and Poverty. Therefore TADEPA Designed projects for supporting widows and orphans. These included women and children rights advocacy. Provision of Milk goats, improved seeds(Bean and Maize), Construction of rain harvesting water jars, construction of low fuel consuming stoves. TADEPA advocated environment conservation by establishing tree nurseries, tree planting, improved water sources, establishing of village fire fighting squads for the prevention of Bush fires. Nutrition and and Food Security were addressed.
The above mentioned programmes/ activities were guided by differfent donors. To mention a few; Medicins Du Monde - France, Foundation of Civil Society, Egmont Trust, FNUM Syd, Deloitte, STF/BMS, ISHI/ FHI, PSI/ COMMIT, Nile Basin.