What are cities doing to reduce runoff in residential areas?



  1. 0 Votes

    Stormwater runoff is typically a big problem in urban areas, as landscapes have not typically been planned to absorb much water. New urban development plans address this issue in a couple of ways:

    The primary strategy is to return to using more native plants and vegetation in urban landscaping. Native plants typically absorb much more water than lawn grasses and ornamental landscaping. Vegetative filter strips and wetlands-inspired natural basins and trenches also do a better job of filtering contaminants from runoff water than do rain gutters and traditional sewers.

    Another part of the solution is structure design. New plans that minimize paved areas for parking, make narrower streets, and minimize driveway length by putting houses closer to the street leave more room for naturally-absorbent soil and plants. And using newer, more permeable paving blocks instead of concrete, etc. allows for more water absorption even in paved areas.

    Basically, more natural landscaping & less paving = less runoff!

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