Texas Natural Resources Code - NAT RES § 40.008. Railroad Commission Authority

The Railroad Commission of Texas shall continue to exercise its authority pursuant to Section 91.101 of this code and Section 26.131, Water Code, to issue and enforce rules, permits, and orders to prevent pollution of surface and subsurface waters in the state by activities associated with the exploration, development, or production of oil, gas, or geothermal resources, including the transportation of oil or gas by pipeline.  Nothing in this chapter preempts the jurisdiction of the Railroad Commission of Texas under Subchapter E, Chapter 121, Utilities Code,  1 and Chapter 117, Natural Resources Code, over pipeline transportation of gas and hazardous liquids and over gas and hazardous liquid pipeline facilities.