(a) The district, by gift, devise, purchase, lease, or condemnation, may acquire land, an easement, right-of-way, or other property in or outside the district that is incident to or necessary in carrying out a district purpose.
(b) The district may exercise the power of eminent domain. Procedures with reference to condemnation, the assessment and estimation of damages, payment, appeal, and entrance on property pending appeal, and other procedures prescribed by Chapter 21, Property Code, apply to the district.
(c) The district's authority under this section to exercise the power of eminent domain expired on September 1, 2013, unless the district submitted a letter to the comptroller in accordance with Section 2206.101(b), Government Code, not later than December 31, 2012.