Neither Polk County nor Florida restricts residential rainwater harvesting; rain barrels and cisterns are legal and encouraged for conservation. SWFWMD and UF/IFAS promote them. Water-restriction watering-day and hour limits do not apply to hand watering or harvested rainwater.
Florida has no statute limiting rainwater collection, and Polk County's Land Development Code sets no prohibition; harvested rainwater is a favored conservation practice consistent with SWFWMD's Florida-friendly landscaping goals. SWFWMD's watering schedule restricts irrigation-system use, but hand watering with a hose and shut-off nozzle and use of collected rainwater are generally allowed outside the assigned days/hours. Larger cisterns tied into plumbing or structures may need a building permit for the tank, backflow prevention, or cross-connection controls. No permit is needed for a typical rain barrel. Check HOA rules, which can regulate visible barrels.
No county penalty for residential rainwater harvesting. Improper cross-connection to potable plumbing can violate building/plumbing code and require correction.
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See how Polk County's rainwater harvesting rules stack up against other locations.
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