Natural landscapes absorb rain slowly. The built environment’s hard surfaces, roofs and paving tend to speed and increase the volume of runoff. One solution is porous paving which allows soil to absorb rain, replenishing groundwater and providing more natural
and consistent stream flows through the year. Plants and soil naturally filter pollution out of runoff.
To reduce impervious surfaces on your property, consider these options:• Install gravel trenches along sidewalks and driveways to collect rainwater.
• Instead of pavement, use bricks or blocks set in sand, gravel, or wood chips.
• Point downspouts away from paved areas. Use a rain barrel to collect the
water, then use it to water your garden or lawn. For information about pervious pavement, see the Slow the Flow booklet at
www.cleanwaterservices.org.
