The Legislature further finds and declares that a number of domestic water supply systems are inadequate and do not meet minimum bacteriological, chemical, or other basic health standards for domestic water supplies, and that it is in the interest of the people that the State of California provide technical and financial assistance to the end that the people of California are assured a safe, dependable, and potable supply of water for domestic purposes and that water is available in adequate quantity at sufficient pressure for health, cleanliness, and other domestic purposes.