Sec. 27-100. Method.
   (a)   The city shall use only groundwater from unpolluted sources as its potable water supply for a five-year interim period beginning on the effective date of this article [November 13, 1995], except as specifically provided in section 27-101.
   (b)   The city shall take the necessary actions to ensure that it is in total compliance with its existing contract for Central Arizona Project (CAP) water.
   (c)   For five (5) years from the effective date of this article [November 13, 1995], CAP water delivered to the city shall be used only for one or more of the following purposes:
   (1)   For selling or exchanging water under the terms of the city's existing CAP subcontract.
   (2)   To preserve Tucson's groundwater for domestic use by replacing groundwater which would otherwise have been withdrawn for uses other than as potable water such as agriculture, mining or other industry.
   (3)   To prevent land subsidence and augment Tucson's groundwater supply by basin and stream bed recharge.
   (4)   To replace other water supplies currently being employed for industrial and landscape irrigation use including parks, golf courses and schools.
   (5)   For direct well injection if it is treated as described in section 27-101 and is free from disinfection by-products.
(Ord. No. 8564, § 1, 8-7-95)