The Rainwater Observer

How does roofing material affect the quality of harvested rainwater?

The Effect of Roof Material on the Quality of Harvested Rainwater: A Study Funded by the Texas Water Development Board The pressing need for sustainable freshwater supplies has increased the use of roof-based rainwater collection systems for potable applications. Although rainwater harvesting systems canbe simple and inexpensive to construct, various sources of contamination within the collection system [...]

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Do Legionella and Other Bacteria Grow in Rainwater?

Is there a health risk associated with using rainwater in an irrigation system? What can be done to eliminate that risk?

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Is Rainwater Harvesting The Right Choice For Your Company?

People, companies, and governments are beginning to understand the importance of conserving as many natural resources as possible.

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Video: How Long Does it Take to Fill a Rainbarrel?

A quick video of my rain barrel during a heavy storm. For everything rainwater, go to www.rainwatercollecting.com. WATCH ON YOUTUBE How Long Does it Take to Fill a Rainbarrel? Share This:

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Can You Answer These 3 Questions About Your Water Supply?

There are three questions that I would like to ask you about your water supply, which on the surface seem easy to answer, but can reveal a great deal about how we have come to take our water for granted.

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How many points can I claim towards LEED certification by collecting rainwater?

A building with a rainwater harvesting system has the potential to garner up to seven LEED points.

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Rainwater Forum Now Live

Learn something new every day in the rapidly-growing field of rainwater harvesting. Ask questions. Share your knowledge. Post pictures of your rainwater system. Connect with other rainwater enthusiasts!

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Is Rainwater the Same as Greywater?

It is important to distinguish between rainwater and greywater for the simple reason that these two types of water have very different qualities.

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Passive Rainwater Harvesting

Passive rainwater harvesting is simply the diversion of water towards an infiltration area where the soil detains, purifies and slowly releases rainwater into the groundwater supply. Here are some reasons to love passive rainwater harvesting.

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The 5 Questions That I Hear Every Day About Rainwater Harvesting

On average, I meet face-to-face with about 5 new people every week who are seriously thinking about building a rainwater collection system. There are five main questions that I hear nearly every day regarding rainwater harvesting, some of which you may be thinking right now.

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