Where Does All That Stormwater Go?

Cedar Hollow Run as it enters Cedar Hollow Preserve

This past summer, many of us have suffered from water in our basements, flooded yards, and washed-out bridges and roads that keep us from getting where we’re going. Did you know that both flood waters and water that runs into storm drains ends up in our streams? What does all this storm water do when it gets there?

Join a two-hour field trip to see. Then learn how each of us can control and even use stormwater on our property, not only to prevent flooded basements and streets, but also to improve the health of the natural lands around us.

WHERE: Open Land Conservancy’s Cedar Hollow Preserve 1645 Church Road, Malvern

WHEN: Saturday, October 20, rain or shine 1:00 pm (finish by 3:00)

WHO: Property owners, concerned citizens, curious people of all ages. The hiking is not strenuous, but be prepared for wet trails.

TO SIGN UP: Go to this link or contact Mary Westervelt at mary.westervelt@gmail.com.


At Cedar Hollow Preserve, we’ll see an example of controlled stream flow resulting in a healthy stream, even in this summer of torrential rains. We’ll also see a stream that suffers degradation from uncontrolled flow, largely from developed land upstream. We’ll learn to see the signs of health or degradation.

Next we’ll take a trip to nearby the Conservancy’s Airdrie Forest Preserve, off Fennerton Road between N. Valley Rd. and 252 in Paoli. There we’ll see erosion cutting gullies as much as fifteen feet deep as a result of stormwater runoff from the developed neighborhood uphill. Sediment and debris from these gullies finds its way into our streams!

You’ll come away with useful tools and know-how to ensure that YOUR storm water is not part of the problem!

 Mary Westervelt, Tredyffrin Environmental Advisory Council Chair
 Pete Goodman, Valley Forge Trout Unlimited Environmental Chair
 Ray Clarke, Vice President, Open Land Conservancy
 David Bressler, Stroud Water Research Center Citizen Science Project Facilitator

Learn more about Open Land Conservancy and its Preserves at openlandconservancy.org or by clicking here.

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