the district has installed at least 90 percent of all works, improvements, facilities, plants, equipment, and appliances necessary and adequate to:
provide service to the proposed development within the district;
accomplish the purposes for which the district was created; and
exercise the powers provided by general law and this chapter; or
at least 20 years have elapsed since the creation of the district was confirmed at an election held under Section 8134.023.Added by Acts 2005, 79th Leg., Ch. 1328 (H.B. 3524), Sec. 1, eff. September 1, 2005.