Eco-lot uses porous concrete to avoid runoffs

Eco-lot uses porous concrete to avoid runoffs

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by Keely Chalmers, KGW reporter

kgw.com

Posted on September 10, 2013 at 4:55 PM

Updated Wednesday, Sep 11 at 9:21 AM

BEAVERTON, Ore. – A specialized parking lot at the Sunset Swim Center in Beaverton is helping to reduce pollution in our environment. It’s made of porous concrete which absorbs any water poured onto it.

KGW ran a test by pouring a bucket of water onto a traditional asphalt parking lot and watching it pool right away. Then, the same test at the eco-friendly parking lot dried up right away.

Right now, Oregon cities are covered in thousands of acres of parking lots, and heavy rains result in runoff. In turn, that ends up in streams, which was what concerned environmental experts the most.

“It brings all the pollution from the parking lot, all the stuff that drips off the cars, the dust from the brakes – that all has toxic metals that are toxic to fish and all that stuff gets washed into the creek,” explained Brian Wegener with Tualatin Riverkeepers.

More: Tualatin Riverkeepers low impact development project

The eco-lot at the swim center was a joint project between Tualatin Riverkeepers and the Tualatin Hills Parks and Recreation Department. Evolution Paving Resources locally provides what's called pervious concrete.

Environmentalists hope this technology will take off and be used in many other lots all around the Northwest.

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