: The purposes of this research were to know the strategy used in improving clean water service in Batu and to know the supporting and inhibiting factors that influence the improvement of clean water service in Batu. This research used qualitative research method. The location of this research was in Regional Water Company (PDAM) of Batu located on Jl. Kartini No. 10. The strategy used by PDAM of Batu in improving the quality of clean water and clean water service for the population with minimum coverage of 80% was by developing the clean water sector institution then, PDAM of Batu could increase the income and improve the efficiency so that PDAM of Batu could benefit by increasing the quantity and quality of clean water services and maintain the carrying capacity of the surrounding environment. People of Batu were quite satisfied with the service provided by PDAM of Batu so far. On the other hand, PDAM of Batu has added more pipes to cover all Batu areas.
Keywords: PDAM Strategy, Water Quality Improvement, Batu City Development