Lewisville, TX Water Use Rules: Recycled Water Rules (2026)

5 under City Code § 4-112. Reclaimed water, defined in the ordinance as domestic or municipal wastewater treated to a quality suitable for beneficial use such as landscape irrigation, may only be applied to a site if it never contacts edible crops unless those crops are pasteurized before consumption, the spray pattern stays inside the property line, and every irrigation component touching the reclaimed supply is purple-coded so it cannot be mistaken for potable piping. 47(f), and backflow prevention on the reclaimed line itself must follow the regulations of the city's water provider.

The irrigated area must carry a bilingual warning sign, at least eight inches by eight inches, reading 'RECLAIMED WATER - DO NOT DRINK' and 'AGUA DE RECUPERACIÓN - NO BEBER,' posted prominently on or in the area being irrigated. A licensed irrigation inspector enforces the ordinance and is responsible for verifying that permits were obtained and that the irrigator, installer, or technician is properly licensed, inspecting the system, confirming that the correct backflow device was installed and tested, and investigating complaints. 00, charged as a Class C misdemeanor, with each day of continuing violation treated as a separate offense, and the city retains the right to pursue injunctive relief and other civil remedies in addition to any fine.