Tex. Natural Resources Code § 91.261

(a) The commission may assess, as provided by this section and Sections 91.262, 91.263, and 91.264, an administrative penalty against a person who violates this subchapter or a rule adopted or an order or permit issued under this subchapter.

(b) Except as provided by Subsection (c), the penalty for each violation may be in an amount not to exceed $10,000. The maximum penalty assessed under this subsection for a related series of violations may not exceed $200,000.

(c) The penalty for each violation of Section 91.259 may be in an amount not to exceed $25,000. The maximum penalty assessed under this subsection for a continuing violation may not exceed $300,000.

(d) Each day a violation continues or occurs may be considered a separate violation for the purpose of penalty assessment under Subsection (b) or (c).

(e) In determining the amount of the penalty, the commission shall consider:

(1) the seriousness of the violation, including the nature, circumstances, extent, and gravity of the prohibited act and the hazard or potential hazard created to the health, safety, or economic welfare of the public;

(2) the economic harm to property or the environment caused by the violation;

(3) the history of previous violations;

(4) the amount necessary to deter future violations;

(5) efforts to correct the violation; and

(6) any other matter that justice may require.