Tex. Water Code § 27.071

Members of the commission and the railroad commission and employees of the commission and the railroad commission may enter public or private property to inspect and investigate conditions relating to injection well, monitoring well, disposal well, production well, or geologic storage activities within their respective jurisdictions or to monitor compliance with a rule, permit, or other order of the commission or railroad commission. Members or employees acting under the authority of this section who enter an establishment on public or private property shall observe the establishment's safety, internal security, and fire protection rules.