Sources in Texas shall comply with the following requirements.
  (1) Public water systems. Sources in Texas which are public water systems shall comply with the Texas Health and Safety Code, Chapter 341, Subchapter C, concerning drinking water standards and rules adopted by the Texas Commission on Environmental Quality, at 30 Texas Administrative Code (TAC), §§290.101 - 290.122 (relating to Drinking Water Standards Governing Drinking Water Quality and Reporting Requirements for Public Water Supply Systems), and §§290.38 - 290.47 (relating to Rules and Regulations for Public Water Systems).
  (2) Other sources. Any other sources in Texas shall comply with 30 TAC §§290.101 - 290.121 concerning drinking water standards, and 30 TAC §§290.38 - 290.43 and 290.46 concerning rules and regulations for public water systems, except where variances are permitted in §229.81 of this title (relating to General Provisions).
  (3) Compliance with these sections is required as if the source were a public water system.

Source Note: The provisions of this §229.87 adopted to be effective February 7, 2000, 25 TexReg 798; amended to be effective July 3, 2003, 28 TexReg 4908; amended to be effective June 4, 2006, 31 TexReg 4432