Tex. Water Aux. Laws § 7845

The directors shall select a depository for such district in the same manner as now provided by law for the selection of county depositories, and such depository shall be regulated by the same laws as those governing county depositories. In such selection, the directors shall perform the same duties as are incumbent upon the county judge and members of the commissioners court in the selection of county depositories. Such depository shall make and file reports and preserve the district records as required of depositories under Chapter 2 hereof.