Tex. Nat. Res. Code § 61.224

A person who for himself or on behalf of or under the direction of another person excavates, takes, removes, or carries away sand, marl, gravel, or shell from land located on an exposed island or peninsula bordering on the Gulf of Mexico or from land located within 1,500 feet of a public beach of this state, if the land is located outside the boundaries of any incorporated city, town, or village, in violation of the provisions of this subchapter shall be fined not less than $10 nor more than $200. Each day a violation occurs constitutes a separate offense.