Can I drink rainwater?

All over the world rainwater is used for washing, cleaning, and drinking, without filters or disinfection. However, in the U.S. and Canada most potable systems do include filtration and disinfection since the water can become contaminated, for example if birds or other animals poop on the roof. Potable rainwater harvesting systems filter and disinfect water […]

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Can I install a gravity-fed drip irrigation system?

If your yard is flat or downwards sloped (in relationship to your storage tank or barrels) you may be able to install a gravity-fed drip irrigation system. The system will be similar to a standard drip irrigation system, but requires the use of low or zero-gravity system components (emitters and timers). Standard emitters, timers, and […]

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Can I harvest rainwater in a freezing climate?

Many people successfully harvest rainwater in freezing climates, though these systems require extra precautions so the pipes and components are not damaged from freezes. Systems can include whole house, indoor systems, with rainwater being the sole supply of water, to simple outdoor irrigation systems used only during the growing season. If you live in a […]

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How much rain can I collect from my roof?

Calculate how much rainwater you can collect based on the square footage of the collection surface (the roof) and your annual rainfall. Find the square footage of your roof by measuring the footprint of the roof, the slope of the roof doesn’t affect the catchment potential. For a square or rectangular house, measure the length and […]

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Where can I get barrels to make rain barrels?

Rain barrels can be constructed from any food-grade 55 gallon drum. Plastic barrels are easier to work with and last longer than metal barrels. In the SF bay area unfitted (no hose attachments) you can get free barrels from Keith Wilson (keith@lotusfoods.com, 805-680-3666) in Richmond. (These are closed top, food grade plastic, either white or blue.)You can often […]

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