(a) In this section:
(1) "Classified segment" means any portion of Devils River located in Val Verde County and identified in Appendices A and C of 30 T.A.C. Section 307.10 as it existed on September 1, 2025.
(2) "Unclassified water body" means a water body other than a classified segment.
(b) Except as provided by Subsection (c), the commission may not issue a new permit authorizing the direct discharge from a domestic or industrial wastewater treatment facility of any waste, effluent, or pollutants into a classified segment or an unclassified water body in Val Verde County that drains into a classified segment.
(c) This section does not affect the authority of the commission to issue:
(1) an individual or general permit for a municipal separate storm sewer system; or
(2) a general permit for stormwater and associated non-stormwater discharges.