(a) A district may:
(1) sue and be sued;
(2) institute and prosecute suits without giving security for costs; and
(3) appeal from a judgment without giving a supersedeas or cost bond.
(b) An action at law or in equity against the district must be brought in the county in which a principal office of the district is located, except that a suit in eminent domain involving an interest in land must be brought in the county in which the land is located.