Philadelphia County allows and encourages rainwater harvesting. Philadelphia Water Department offers Rain Check program with free or discounted rain barrels to residents. No permit required for residential rain barrels. Larger cistern systems may require plumbing review.
Pennsylvania has no statewide rainwater harvesting restrictions; it is legal and encouraged. Philadelphia Water Department Rain Check program provides rain barrels, downspout planters, and rain gardens to homeowners at reduced cost or free, as part of the Green City Clean Waters stormwater management plan. Barrels must not be connected to potable water system. Cisterns over 100 gallons connected to plumbing require permit under Philadelphia Plumbing Code.
Contact your local code enforcement office for specific penalty information.
See how Philadelphia County's rainwater harvesting rules stack up against other locations.
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