Discuss, consider and take appropriate action regarding the engagement of the law firm of Bickerstaff Heath Delgado Acosta LLP to represent Williamson County in legal matters relating to Municipal Utility Districts and Water Quality in Williamson County, Texas, to include but not be limited to representing Williamson County before the TCEQ; and exemption of these services from the competitive bid/proposal requirements of the County Purchasing Act pursuant to the discretionary exemption for personal or professional services, as set forth under Tex. Loc. Gov’t Code § 262.024(a)(4).