Potential contaminants in residential rain barrel water
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Residential gardeners often collect rainwater to supplement summer irrigation. They may also use rainwater as an unchlorinated water source for aquatic plants and animals. However, rooftop runoff can be contaminated with chemical and biological pollutants. This publication will examine the research behind residential rain barrel water safety in North America over the last 20 years. It will also provide science-based suggestions for using rain barrel water in ways that protect people, pets, and the environment.