|(a) A retail public utility as defined by Texas Water
Code, §13.002(19) and each entity from which the utility is obtaining
wholesale water service for the utility's retail system shall report
to the executive director when the utility or entity is reasonably
certain that the water supply will be available for less than 180
days. The reporting must be accomplished by utilizing the online "PWS
Drought Contingency Plan Reporting Form."
(b) If reporting cannot be accomplished in accordance
with subsection (a) of this section then the retail public utility
or entity from which the utility is obtaining wholesale water service
may report to the executive director by United States Postal Service
mail, program electronic mail, or facsimile.