The district and all associated members thereof shall be vested with the power to enforce in chancery court by mandamus, in addition to the equitable remedies available in such courts, all legal rights or rights of action of the district or associated county or city with any public agency, corporation, or person, and for such purpose may sue, be sued, plead and be impleaded in the chancery court of any county in the district having jurisdiction of the subject matter of any such suit. In cases where the chancery court of more than one county may have jurisdiction of the subject matter of any action, the chancery court of either county may exercise exclusive jurisdiction and all parties having an interest therein shall be made parties to the proceedings.