Terms defined in Chapter 3 of this title (relating to Definitions) will have the same meaning when used in this subchapter unless the definition is specifically modified in this section.
  (1) City--A municipality or city existing, created, or organized under the general, home rule, or special laws of this state.
  (2) Extra territorial jurisdiction-An area outside the corporate limits of a municipality as defined in Local Government Code, §42.021.
  (3) Non-permitted sources--Sources of water pollution that are not authorized to discharge pollution into or adjacent to waters in the state by a valid permit, general permit, or rule pursuant to Texas Water Code, Chapter 26, the federal Clean Water Act, or other applicable state or federal law. This definition includes, but is not limited to, non-point sources of pollution as those sources are defined and identified pursuant to Chapter 220 of this title (relating to Regional Assessments of Water Quality), the federal Clean Water Act, the Coastal Zone Act Reauthorization Amendments of 1990, §6217, and other applicable state and federal statutes, regulations, policies, and guidance. This definition does not include discharges authorized by an NPDES or TPDES permit for municipal stormwater discharges.
  (4) Pollution--The alteration of the physical, thermal, chemical, or biological quality of, or the contamination of any water in the state that renders the water harmful, detrimental, or injurious to humans, animal life, vegetation, or property, or to public health, safety or welfare, or impairs the usefulness or the public enjoyment of the water for any lawful or reasonable purpose.
  (5) Significant waste discharge--Point source discharges of waste or pollutants to receiving water that have been identified to cause pollution without regard to whether or not the discharges are authorized by the commission.

Source Note: The provisions of this §216.23 adopted to be effective March 9, 1999, 24 TexReg 1622