HISTORY AND LEGAL STATUS
Masasi – Nachingwea Water Supply and Sanitation Authority (Manawasa) was officially established in the Government Notice on 10th May 2013(GN No. 105), but before formulation of MANAWASA there were two water Authorities known as Masasi Urban Water Supply and Sanitation Authority(MAUWASA) and Nachingwea Urban Water Supply and Sanitation Authority(NAUWASA) which were operating Masasi( Mtwara Region) and Nachingwea (Lindi Region) respectively. MAUWASA and NAUWASA were merged to form one water authority as MANAWASA. The authority is responsible for supplying portable water and collecting wastewater in Masasi and Nachingwea towns as well as supplying portable in the villages along the Masasi and Nachingwea gravity mains coming from Mbwinji source. Right now Manawasa serves Masasi and Nachingwea town as well as villages along Mwena to Masasi gravity main and Mbwinji to Nachingwea gravity main.
The Authority serves Masasi and Nachingwea towns as well as Villages along Masasi,Nachingwea and some of the Ruangwa district villages gravity mains coming from Mbwinji source
MANAWASA is a National Project the parent being the Government of Tanzania and operates under the umbrealla of Ministry of Water.