Flowchart of TCEQ and its Predecessor Agencies
The Texas Water Rights Commission, the Texas Water Development Board, and the Texas Water Quality Board were combined in 1977 to form the Texas Department of Water Resources. This agency was split into the Texas Water Commission and the Texas Water Development Board in 1985. The Texas Water Commission and the Texas Air Control Board were combined to form the Texas Natural Resource Conservation Commission in 1993. The TNRCC’s name was changed to the Texas Commission on Environmental Quality in 2002.