Tex. Water Code § 49.155

(a) The district may pay out of bond proceeds or other available funds of the district all expenses of the district authorized by this section, including expenses reasonable and necessary to effect the issuance, sale, and delivery of bonds as determined by the board, including, but not limited to, the following:

(1) interest during construction;

(2) capitalized interest not to exceed three years' interest;

(3) reasonable and necessary reserve funds not to exceed two years' interest on the bonds;

(4) interest on funds advanced to the district;

(5) financial advisor, bond counsel, attorney, and other consultant fees;

(6) paying agent, registrar, and escrow agent fees;

(7) right-of-way acquisition;

(8) underwriter's discounts or premiums;

(9) engineering fees, including surveying expenses and plan review fees;

(10) commission and attorney general fees;

(11) printing costs;

(12) all organizational, administrative, and operating costs during creation and construction periods;

(13) the cost of investigation and making plans, including preliminary plans and associated engineering reports;

(14) land required for stormwater control;

(15) costs associated with requirements for federal stormwater permits; and

(16) costs associated with requirements for endangered species permits.

(b) For purposes of this section, construction periods shall mean any periods during which the district is constructing its facilities or there is construction by third parties of above ground improvements within the district, but in no event longer than five years.

(c) The district may reimburse any person for money advanced for the purposes in Subsection (a) and may be charged interest on such funds.

(d) These payments may be made from money obtained from the issuance of notes or the sale of bonds issued by the district or out of maintenance taxes or other revenues of the district.