This Regional Law regulates potable water supply and establishes state guarantees for potable water supply to the regional population. Basic principles of potable water supply shall be: (a) state guarantees for ensuring priority supply of potable water; (b) public supervision and control over potable water supply; (c) safety, stability and governability of potable water supply; (d) registration and application of water charges for potable water supply; (e) state support for manufacturing and sup