If you're in an area that is facing a drought this summer, like I am, you might be thinking of ways to combat it in the garden. Enter the rain barrel!

Home gardeners often use rain barrels to collect rainwater from roofs as a supplement to summer irrigation. Rainwater is a natural and unchlorinated water source for plants, but rooftop runoff can be contaminated by chemical and biological pollutants.

Today we talk about the practicality of rain barrels, possible contaminants and where they come from, and how to safely use rain barrel water in the garden. Let's dig in!

Resources and Citations:

Chang, M., M.W. McBroom, and R.S. Beasley. 2004. Roofing as a Source of Nonpoint Water Pollution. Journal of Environmental Management 73: 307–315.

Chen, J.J., R.C. Beeson, Jr., T.H. Yeager, R.H. Stamps, and L.A. Felter. 2003. Evaluation of Captured Rainwater and Irrigation Runoff for Greenhouse Foliage and Bedding Plant Production. HortScience 38(2): 228–233

de Kwaadsteniet, M., P.H. Dobrowsky, A. van Deventer, W. Khan, and T.E. Cloete. 2013. Domestic Rainwater Harvesting: Microbial and Chemical Water Quality and Point-Of-Use Treatment Systems. Water, Air, and Soil Pollution 224(7).

Lim, K.Y., and S.C. Jiang. 2013. Reevaluation of Health Risk Benchmark for Sustainable Water Practice through Risk Analysis of Rooftop-Harvested Rainwater. Water Research 47(20): 7273–7286.

Shuster, W.D., D. Lye, A. de la Cruz, L.K. Rhea, K. O’Connell, and A. Kelty. 2013. Assessment of Residential Rain Barrel Quality and Use in Cincinnati, Ohio. Journal of the American Water Resources Association 49(4): 753–765.

POTENTIAL CONTAMINANTS IN RESIDENTIAL RAIN BARREL WATER

100-Year-Old Way to Filter Rainwater in a Barrel - The Prepper Journal

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