Watsan interventions impact on rural livelihoods MagangaSusan KashililahHerbert J. 2018 Involving beneficiaries of water supply, sanitation improvement and hygiene promotion at grassroots level in assessing the impact of those interventions on their daily lives reveals a spectrum of changes in the peoples’ total livelihood not anticipated in the initially designed objectives. This has been demonstrated by an impact assessment study done between June 1999 and March 2000 in four villages of Dodoma Region of Tanzania. The villages were Tandala, Berege, Songambele and Chaludewa as control.