Texas Water Code - WATER § 49.068. Contracts With Governmental Agencies

(a) The provisions of this chapter pertaining to bids and the Local Government Code notwithstanding, a district may purchase property from any governmental entity by negotiated contract without the necessity of securing appraisals or advertising for bids.

(b) The provisions of other law or a home-rule municipal charter notwithstanding, a municipality may contract with a district.  The term of a contract under this subsection may be of unlimited duration.