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               A BILL TO BE ENTITLED
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               AN ACT
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            relating to a restriction on permits authorizing direct discharges  | 
         
         
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            of waste or pollutants into water in certain stream segments or  | 
         
         
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            assessment units. | 
         
         
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                   BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS: | 
         
         
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                   SECTION 1.  Subchapter B, Chapter 26, Water Code, is amended  | 
         
         
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            by adding Section 26.0462 to read as follows: | 
         
         
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                   Sec. 26.0462.  RESTRICTION ON PERMITS FOR DISCHARGES OF  | 
         
         
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            WASTE OR POLLUTANTS INTO CERTAIN STREAM SEGMENTS OR ASSESSMENT  | 
         
         
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            UNITS.  (a) In this section, "classified stream segment" and  | 
         
         
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            "assessment unit within a classified stream segment" mean a  | 
         
         
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            classified stream segment or an assessment unit within a classified  | 
         
         
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            stream segment  monitored under the commission's Surface Water  | 
         
         
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            Quality Monitoring  Program as it existed during the period from  | 
         
         
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            January 1, 2010 to  January 2020. | 
         
         
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                   (b)  This section applies to the drainage area of a  | 
         
         
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            classified stream segment or an assessment unit within a classified  | 
         
         
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            stream segment that, on September 1, 2021, has had, according to  | 
         
         
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            commission data, a total phosphorus level at or below .06  | 
         
         
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            milligrams per liter in 90 percent or more of all water quality  | 
         
         
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            samples taken from the stream segment or assessment unit for the  10  | 
         
         
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            calendar years preceding January 1, 2020. This section does  not  | 
         
         
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            apply to a classified stream segment or assessment unit of a   | 
         
         
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            classified stream segment that is located in the drainage area of  | 
         
         
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            another classified stream segment or assessment unit within a  | 
         
         
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            classified stream segment. | 
         
         
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                   (c)  The commission may not: | 
         
         
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                         (1)  issue a new permit authorizing the direct  | 
         
         
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            discharge of waste or pollutants into the drainage area of a  | 
         
         
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            classified stream segment or an assessment unit within a classified  | 
         
         
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            stream segment to which this section applies; or | 
         
         
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                         (2)  amend a permit issued before September 1, 2021, to  | 
         
         
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            authorize an increase in the amount of waste or pollutants that  may  | 
         
         
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            be directly discharged into the drainage area of a classified  | 
         
         
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            stream segment or an assessment unit within a classified stream  | 
         
         
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            segment to which this section applies. | 
         
         
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                   (d)  This section does not affect the authority of the   | 
         
         
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            commission to issue: | 
         
         
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                         (1)  a new or amended permit to a municipality or a  | 
         
         
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            river  authority that authorizes a direct discharge of waste or  | 
         
         
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            pollutants  into the drainage area of a classified stream segment or  | 
         
         
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            an assessment unit within a classified stream segment; | 
         
         
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                         (2)  an individual permit for a municipal separate  | 
         
         
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            storm sewer system; or | 
         
         
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                         (3)  a general permit for stormwater and associated  | 
         
         
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            non-stormwater discharges. | 
         
         
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                   SECTION 2.  The change in law made by this Act applies only  | 
         
         
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            to an application for a permit or permit amendment that is submitted  | 
         
         
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            to the Texas Commission on Environmental Quality on or after the  | 
         
         
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            effective date of this Act. An application for a permit or permit  | 
         
         
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            amendment that was submitted to the Texas Commission on  | 
         
         
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            Environmental Quality before the effective date of this Act is  | 
         
         
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            governed by the law in effect at the time the application was filed,  | 
         
         
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            and the former law is continued in effect for that purpose. | 
         
         
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                   SECTION 3.  This Act takes effect immediately if it receives  | 
         
         
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            a vote of two-thirds of all the members elected to each house, as  | 
         
         
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            provided by Section 39, Article III, Texas Constitution. If this  | 
         
         
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            Act does not receive the vote necessary for immediate effect, this  | 
         
         
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            Act takes effect September 1, 2021. |