(a) Requirements for approved source. 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 for 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 30 TAC, §§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 - 290.122 concerning drinking water standards and 30 TAC, §§290.38 - 290.43 and §290.46 concerning rules and regulations for public water systems.
  (3) Compliance with these sections is required as if the source were a public water system.
(b) Sampling requirements.
  (1) Approved community public water systems as defined by 30 TAC §290.38(8) and (41) (relating to Definitions). No additional source water sampling is required.
  (2) Source water obtained from other than a public water system. Source water obtained from other than a community public water system shall be sampled in accordance with 30 TAC, §§290.101 - 290.122 for transient non-community water systems.

Source Note: The provisions of this §229.113 adopted to be effective March 19, 2001, 26 TexReg 2194; amended to be effective June 4, 2006, 31 TexReg 4432