(a) In this section, “dairy waste” means milk, milk by-products, or milk processing waste that is spilled, spoiled, adulterated, unmarketable, stranded, or otherwise unfit for human consumption produced at a concentrated animal feeding operation.
(b) Notwithstanding any other law and to the extent permitted by federal law, the commission shall adopt rules under this section to allow:
(1) the disposal of dairy waste from a concentrated animal feeding operation into a control or retention facility, including a lagoon or playa, as that term is defined by § 26.048; and
(2) the land application by irrigation associated with the disposal described by Subdivision (1).

(c) Rules adopted under Subsection (b) must:
(1) minimize the risk of water quality impairment caused by:
(A) the disposal of dairy waste into the control or retention facility; and
(B) the land application by irrigation associated with the disposal described by Paragraph (A); and
(2) require best management practices to ensure that the disposal of dairy waste into the control or retention facility does not impair water quality.