A Factsheet from Austin Energy's Green Building Program: Rainwater Harvesting

Publication Type:
Fact Sheet

Published / Updated:

Rainwater harvesting, an old idea that is popular again, is a potentially viable method for achieving sustainability of water resources.  Rainwater is usually collected from the roofs of buildings then flows through gutters and downspouts into a storage tank.  From there it can be used as is or filtered and treated for a source of drinking water.

Download this document to learn about rainwater harvesting, including the following topics:

  • Potential for collection
  • Components of the collection system
  • Diagram for building a simple collection system
  • Keeping the rainwater clean
  • Using collected rainwater
  • Filtering and treating rainwater

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