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[[File:STEP Minto Cistern P1 - Copy.jpg|thumb|500px|Rainwater harvesting is commonly employed on zero-lot-line projects like downtown condos. This cast in place concrete vault in one corner of the parking level is a typical design.]]

[[File:STEP Minto Cistern P1 - Copy.jpg|thumb|500px|Rainwater harvesting is commonly employed on zero-lot-line projects like downtown condos. This cast in place concrete vault in one corner of the parking level is a typical design.]]

This article is about large, building-integrated rainwater harvesting systems. For smaller, seasonal, outdoor systems, see [[Rain barrels]]   

This article is about large, building-integrated rainwater harvesting systems featuring large indoor or underground cisterns and tanks and intended for year-round use. For smaller, outdoor systems intended for growing season use, see [[Rain barrels]].  

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