To further the sustainable use of water supplies,environmentalists are least likely to call for a decentralization of control of water supply and quality.

Sustainable Use

Utilizing natural resources in a way that does not deplete them for future generations and maintains ecological balance.

Decentralization

The process of redistributing or dispersing functions, powers, people, or things away from a central location or authority.

Water Supplies

The sources and systems involved in collecting, treating, and delivering water for personal, agricultural, and industrial use.