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Ask Umbra: Is it safe to water veggies from my rain barrels?

Grist

Send your question to Umbra!

Q.Is it safe to use the water that comes off my roof into a rain barrel to water herbs and vegetables that we eat?

Ron
Jefferson, Md.

A. Dearest Ron,

Using sweet rainwater to nourish your burgeoning salad ingredients is just like a refreshing drink straight from a mountain stream. By which I mean – and if you’ve ever had the misfortune of experiencing what I’ll call “the wilderness two-step” after indulging in the latter, you’ll know this already – proceed with caution. Both water sources may look clear, pure, and unequivocally healthy, but you never know what invisible intruders lurk within.

Rain barrels in general are unequivocally healthy for the planet. Simple systems designed to funnel rainwater from your roof into storage tanks, rain barrels relieve pressure on stormwater systems, reduce the energy used to treat and transport water, and save you roughly

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