(1) establish a culinary water rate structure that: (a) incorporates increasing block units of water used; and (b) provides for an increase in the rate charged for additional block units of water used as usage increases from one block unit to the next;
(a) incorporates increasing block units of water used; and
(b) provides for an increase in the rate charged for additional block units of water used as usage increases from one block unit to the next;
(2) provide in customer billing notices, or in a notice that is distributed to customers at least annually, block unit rates and the customer's billing cycle; and
(3) include individual customer water usage in customer billing notices.