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Line 1: [[File:STEP Minto Cistern P1 - Copy.jpg|thumb|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.]]
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[[File:STEP Minto Cistern P1 - Copy.jpg|thumb|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, integrated rainwater harvesting systems. For smaller, seasonal, outdoor, residential systems, see [[Rain barrels]]
This article is about large, integrated rainwater harvesting systems. For smaller, seasonal, outdoor, residential systems, see [[Rain barrels]]
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==Overview==
==Overview==
Rainwater harvesting (RWH) is the ancient practice of collecting and storing precipitation for later use. Although Ontario is a region with relatively abundant fresh water, RWH is increasing in popularity for a number of reasons:
Rainwater harvesting (RWH) is the ancient practice of collecting and storing precipitation for later use. Although Ontario is a region with relatively abundant fresh water, RWH is increasing in popularity for a number of reasons:
#The simplicity of selecting and installing a system, owing to improvements in the technology and the development of a local industry,
#The simplicity of selecting and installing a system, owing to improvements in the technology and the development of a local industry,