(a) The district may annex any territory the owner of which petitions for annexation by the method prescribed by Section 49.301, Water Code.
(b) At least 30 days before acting on a petition for annexation, the district shall notify all municipalities within whose boundaries the district or the land described in the petition is located. The notification must:
(1) be in writing;
(2) specify the time and place of the meeting to consider the petition;
(3) invite the municipality to appear at the meeting; and
(4) include a copy of the petition.
(c) Notwithstanding any other provision of this chapter, the district may annex only territory with a boundary contiguous to a district boundary.