Northern Region – Responsible for the development of revenue-oriented projects in the northern portion of TRA’s service area, the operation and maintenance of existing facilities, the sale of water from Bardwell Lake, Joe Pool Lake and Navarro Mills Lake, and acting as liaison between TRA and its customers and/or the federal government.
Southern Region – Responsible for the development of revenue-oriented projects in the southern portion of TRA’s service area, the operation and maintenance of existing facilities, the sale of water from Lake Livingston, and acting as liaison between TRA and its customers and/or the federal government.
Financial Services – Responsible for the performance of financial services to all components of TRA's management organization.
Legal Services – Responsible for providing legal support to the Board of Directors and within the management organization, including land rights issues.
Administrative Services – Responsible for managing personnel, risk management, safety and office administration.
Technical Services and Basin Planning – TSBP provides technical assistance to the Authority through the implementation/management of geographic information systems (GIS) and environmental services. Through GIS, TSBP provides enterprise-wide support allowing Authority staff to view spatially-referenced assets and information with integrated databases. Environmental Services staff provide support through model development, studies, sampling efforts, research, representation with state and local officials, and by administering the Trinity Basin Clean Rivers Program.
Planning, Design and Construction Administration – PDCA is responsible for managing the Authority’s capital program including developing and implementing long-range strategies for the construction and improvement and rehabilitation of all the Authority’s operating project facilities.
Information Technology Support Services – Responsible for the budgeting, procurement, maintenance, and security of all IT resources and data for both the business and industrial control networks. Integrates IT initiatives with business goals to increase productivity across the Authority and incorporates them into a long-term strategy.