Definition
Covered water source is a source of clean water for drinking / cooking most of the population.
Water company (PAM) is a company that supply drinking water that has undergone a process of purification, such as the Regional Water Company (PDAM), and the Office of Drinking Water (DAM).
Buy water for drinking / cooking water (not bottled water) is the villagers / villages who buy water for drinking / cooking that comes from the taps as well as from other sources, not including bottled water.