88R10183 MP-D By: Vasut H.B. No. 3604 A BILL TO BE ENTITLED AN ACT relating to the cleaning of a structure used to grow oysters for cultivated oyster mariculture. BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS: SECTION 1. Subchapter B, Chapter 26, Water Code, is amended by adding Section 26.0406 to read as follows: Sec. 26.0406. GENERAL PERMITS FOR AQUACULTURE; EXEMPTION FOR CLEANING STRUCTURES USED FOR GROWING OYSTERS. (a) A general permit for aquaculture issued by the commission must allow the holder of a cultivated oyster mariculture permit under Chapter 75, Parks and Wildlife Code, to discharge into waters of this state waste related to the cleaning of a structure used to grow oysters for cultivated oyster mariculture in accordance with Subsection (b). (b) A cultivated oyster mariculture permit holder cleaning a structure as described by Subsection (a): (1) must clean the structure at the location where the permit holder is authorized to operate and only with water from that location; (2) prior to use in cleaning, may not alter the cleaning water in any way, including with the addition of soap, chemicals, or any other similar substance; (3) may not pressurize the water used to clean the structure; and (4) in consultation with the Texas Parks and Wildlife Department, must comply with all other permit conditions established by the commission. SECTION 2. This Act takes effect September 1, 2023.