31 Tex. Admin. Code § 601.10
When notice of groundwater contamination, as defined in §601.3(7) of this title (relating to Definitions), is provided under Texas Water Code, §26.408 to the owner of a private drinking water well that may be affected by the contamination and to each applicable groundwater conservation district, the notice shall:
(2) contain, at a minimum, the following information:
Source Note:The provisions of this §601.10 adopted to be effective November 12, 2003, 28 TexReg 9882.