Changes

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]]   

<div class="col-md-8">{{TOClimit|2}}

<div class="col-md-8">{{TOClimit|2}}

===Overview===

==Overview==

<p> 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,

<li>The simplicity of selecting and installing a system, owing to improvements in the technology and the development of a local industry, </li>

*The ease of modelling RWH in a stormwater management (SWM) plan, owing to the fixed size of the catchment and the cistern,  

<li>The ease of modelling RWH in a stormwater management (SWM) plan, owing to the fixed size of the catchment and the cistern, </li>

*Increasing transparency of storm sewer costs in some municipalities, and  

<li>Increasing transparency of storm sewer costs in some municipalities, and </li>

*Increasing utility rates for potable water supply.  

<li>Increasing utility rates for potable water supply. </li>

{{TextBox|1=Rainwater harvesting is an ideal technology for:  

{{TextBox|1=Rainwater harvesting is an ideal technology for:  

*Sites which cannot infiltrate water owing to contaminated soils or shallow bedrock,  

*Sites which cannot infiltrate water owing to contaminated soils or shallow bedrock,