Kentucky allows unrestricted residential rainwater harvesting. LFUCG supports rain barrels and cisterns as part of stormwater management. Cisterns connected to plumbing must follow Kentucky plumbing code and include backflow prevention.
Kentucky does not restrict rainwater harvesting for residential or agricultural use. Property owners may install rain barrels, cisterns, and other catchment systems to collect roof runoff for irrigation, car washing, and livestock watering. LFUCG actively encourages rainwater harvesting through its Stormwater Quality Management program, which addresses Clean Water Act MS4 permit obligations. The LFUCG Stormwater Quality Projects Incentive Grant Program has historically offered rebates for rain gardens, rain barrels, and pervious surfaces that reduce runoff to Town Branch, Cane Run, and the Kentucky River watershed. Large cisterns over 100 gallons may require a building permit depending on location and construction. Any cistern or rain barrel connected to an indoor plumbing system for toilet flushing or laundry must be installed by a licensed plumber, include backflow prevention and clear labeling of non-potable lines, and meet Kentucky State Plumbing Code. Rural Service Area horse farms often use large cisterns for livestock watering, which is permitted without a state permit for reasonable agricultural use.
Cross-connection to potable water without backflow prevention: health department citation and required correction. Unpermitted large cistern in a setback: zoning citation.
Lexington, KY
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Lexington, KY
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Lexington, KY
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Lexington, KY
An outdoor kitchen in Lexington typically requires a building permit when the structure exceeds 200 sq ft, is attached to the house, or includes a roof or pe...
Lexington, KY
Lexington has no code section specifically targeting residential smokers, pellet grills, or wood-fired ovens beyond the general Kentucky Fire Code open-flame...
Lexington, KY
Lexington adopts the Kentucky Fire Code, which is based on NFPA 1 (2018 edition with Kentucky amendments), via LFUCG Code Chapter 9 (Fire Prevention). NFPA 1...
See how Lexington's rainwater harvesting rules stack up against other locations.
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