Section 26.560 - Cooperation With Other State Agencies(a) The commission is the principal authority in the state on matters relating to the implementation of this subchapter. All other state agencies engaged in water quality or water pollution control activities in a water quality protection area shall coordinate those activities with the commission.(b) The executive director, with the consent of the commission, may enter into contracts, memoranda of understanding, or other agreements with other state agencies for purposes of developing effluent or other water quality requirements, including requirements for financial responsibility, adequate to protect the water resources in a water quality protection area, in any individual or general permit or other authorization issued under this subchapter.Added by Acts 2005, 79th Leg., Ch. 374, Sec. 2, eff. 6/17/2005.