Rainwater harvesting is legal and encouraged in Tampa. Rain barrels and cisterns for outdoor irrigation use do not require a permit, and Tampa Water Department periodically distributes discounted 55-gallon barrels. Florida has no statewide ban on residential harvesting. Potable or indoor-connected systems require Florida Building Code Plumbing permits and cross-connection control. Large cisterns over certain size thresholds may require building or zoning review.
Tampa actively promotes rainwater harvesting as part of its Southwest Florida Water Management District conservation strategy. Simple rain barrels (typically 50 to 110 gallons) connected to residential downspouts for outdoor irrigation use are unregulated and require no permit under City Code. The Tampa Water Department and SWFWMD have historically offered rain-barrel workshops and discounted barrels to residents. Larger above-ground cisterns (generally over 500 gallons) or below-ground storage tanks trigger Florida Building Code review for structural, overflow, and mosquito-control provisions, and may require a Building permit through Tampa Construction Services. Any system connecting collected rainwater to interior plumbing, pools, or potable fixtures is regulated under the Florida Building Code β Plumbing (Chapter 13 β Nonpotable Water Systems) and requires cross-connection control, backflow prevention, and clear purple-pipe labeling distinguishing non-potable lines. Potable reuse (drinking, cooking, bathing) is permitted only with engineered treatment and permitting through Tampa Water. HOA restrictions on visible rain barrels are limited by Florida Statutes Β§373.185, which protects water-conserving landscaping and Florida-Friendly practices from being prohibited, though HOAs may still impose reasonable aesthetic requirements such as screening. Mosquito control is critical: containers must be sealed with fine mesh at all openings to prevent Aedes aegypti breeding, which is enforced by the Hillsborough County Mosquito Control program.
Specific penalty amounts for this ordinance are not published in a publicly accessible fine schedule. Contact Tampa code enforcement directly for current fines, enforcement procedures, and hearing options.
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