Rainwater harvesting: Sizing and modeling

Rapid

Total cistern volume can be estimated by multiplying the depth of design storm....

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  Schematic diagram of the inputs and outputs to a rainwater harvesting cistern

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STEP Rainwater Harvesting Tool

The Sustainable Technologies Evaluation Program have produced a rainwater harvesting design and costing tool specific to Ontario. The tool is in a simple to use Excel format and is free to download.

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The Treatment Train Tool

Once the size of cistern has been determined, it can easily be modelled in many open source and proprietary applications.

In addition to the cistern size, modelling requires

<btnPrimary>The Treatment Train Tool</btnPrimary>

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See Also

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External Links

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Tank used to store rainwater (typically roof runoff) for later use.

The practice of intercepting, conveying and storing rainwater for future use. Captured rainwater is typically used for outdoor non-potable water uses such as irrigation, or in the building to flush toilets.

Sustainable Technologies Evaluation Program