TX Property Code 202.007 protects rainwater harvesting on residential property. No Flower Mound permit required for rain barrels. HOAs may regulate aesthetics but cannot ban collection.
TX Property Code 202.007 prohibits property owners associations from banning rainwater harvesting systems and bars municipalities from prohibiting their installation on single-family residential property. Flower Mound does not impose any local permitting requirement for residential rain barrels or above-ground cisterns. The town encourages water conservation and rainwater collection as part of its water management strategy, particularly given the drought-prone Denton County climate where annual rainfall averages 37 inches but falls unevenly. Below-ground cisterns or large above-ground tanks may require a building permit if they involve structural foundations, plumbing connections to indoor use, or exceed dimensional thresholds in the building code. HOAs in Flower Mound subdivisions may regulate the placement, screening, and color of rainwater harvesting equipment but cannot impose an outright ban under TX Property Code 202.007. Collected rainwater used for landscape irrigation does not require treatment. Rainwater intended for potable indoor use must meet TCEQ guidelines and requires filtration, disinfection, and plumbing separation from the municipal supply.
Contact your local code enforcement office for specific penalty information.
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