Rainwater harvesting is legal and unrestricted in Allegheny County. Pennsylvania has no state statute limiting rain barrels or cisterns, and Pittsburgh actively encourages stormwater capture with PWSA rain barrel rebate programs.
Pennsylvania recognizes private ownership of rainwater collected on a parcel. There is no permit required for residential rain barrels. PWSA and the Allegheny County Conservation District offer rebates and rain barrel distribution events to reduce combined sewer overflow in Pittsburgh. Larger cisterns integrated with plumbing are subject to PA UCC plumbing code and must be separated from potable supply via approved backflow prevention. Indoor use of captured rainwater (toilet flushing, laundry) requires dual-plumbing permits through the municipal code official.
Contact your local code enforcement office for specific penalty information.
Allegheny County, PA
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Allegheny County, PA
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Allegheny County, PA
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Allegheny County, PA
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Allegheny County, PA
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See how Allegheny County's rainwater harvesting rules stack up against other locations.
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