In order to implement a water conservation program appropriate to the needs of the utility and its users, the following levels of conservation are established:
(a) Level 1—Voluntary Conservation.
(b) Level 2—Restricted Water Use.
(c) Level 3—Prohibited Water Use.
(d) Level 4—Water Rationing.
(`91 Code, § 9-10) (Ord. A-60, § D, 7-6-88)