Sec. 7903.001. DEFINITIONS. In this chapter: (1) "Board" means the district's board of directors. (2) "Commission" means the Texas Commission on Environmental Quality. (3) "Director" means a board member. (4) "District" means the Harris County Municipal Utility District No. 538. Added by Acts 2015, 84th Leg., R.S., Ch. 906 (S.B. 2013), Sec. 1, eff. June 18, 2015.