In this article, unless the context otherwise requires:

1. "Excess central Arizona project water" means central Arizona project water that in any year would otherwise not be delivered to central Arizona project subcontractors or their designees.

2. "Project permits" means permits obtained under articles 2 and 3 of this chapter for the purposes of operating a state demonstration project.

3. "State demonstration project" means a project for the storage of excess central Arizona project water at an underground storage facility pursuant to permits issued under this chapter and in accordance with this article.