How to save water on a rainy day
INFO Copper Bells rain chain ($169) and hammered-copper dish ($45; rainchains.com or 888/480-7246)
Position the barrel beneath a downspout; to keep the rainwater pure, remove the solid cover an hour or two after rainfall has washed pollen and other pollutants off the roof.
Rain barrels cost about $100 to $150 each.
At Islandwood Environmental Learning Center on Bainbridge Island, Washington, three steel cisterns store rainwater from a nearby roof. By the time vegetables start growing in spring, the tanks are full and the water travels through a gravity-fed drip system to irrigate crops.
INFO Pictured cisterns are from Texas Metal Cisterns ($380 for 200-gallon size to $1,070 for 1,200-gallon size; texas metalcisterns.net).