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Protecting and enhancing open space
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Promoting awareness and appreciation of environmental issues
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Promoting wise land use and management of natural resources
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Preserving historic and cultural sites

Water Quality Update: PFOA and PFOS in Drinking Water
Updated 8/13/18
- As you may be aware, Aqua, one of our region’s local water suppliers, has recently recorded two local drinking water wells as containing elevated levels of PFOA and PFOS.  The two wells are the North Hills well (in Glenside) and the Upper Dublin Township well, known as the Aidenn Lair well, which serve portions of Abington, Upper Dublin, Cheltenham and Springfield Townships. Click here for up-to-date information and resources.

Upcoming Events

  • Evans-Mumbower Mill Open House

    1:00 p.m. - 4:00 p.m.
    Dog Days of Summer: Ice Cream Social

    Take a break from the heat and join us for a cool treat and tour the only fully operational gristmill in Montgomery County! Guides will take you for a fascinating tour to see the mill in operation and give you a history of milling on the Wissahickon Creek. This event is free. 

  • Weekly Nest Box Checks

    Every Tuesday from May 15 to August 21
    6:30 p.m.

    Join us every week for a walk at Armentrout Preserve. We will check several nestboxes to see what birds may be raising a family in them. We will likely see the nests, eggs and fledglings of several species including House Wren, Tree Swallow and Eastern Bluebird. You may also get to see a bird banding demonstration!

  • Birds & Brews (Bird Walk)

    6:00 - 9:00 p.m.
    Join us for our 4th Annual Common Nighthawk Migration. The Militia Hill Hawk Watch at Fort Washington State Park spends a few evenings in August each year watching for migrating Common Nighthawks. The last three years, we've managed so see some pretty big flocks pass overhead, so, let’s do it again! After viewing the migrating nighthawks, we will gather at Broad Axe Tavern for food and brews. 

  • Cheston Family Preserve Celebration

    6:00 - 7:30 p.m.
    Join us for a celebration of the new Cheston Family Preserve at Briar Hill. This 8-acre property was acquired through a partnership with Montgomery County, Whitpain Township, and generous individual donors. This tract of land is especially important because it protects even more of the Prophecy Creek Corridor. The Preserve and a temporary trail extension will officially open to the public at this event.

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Current News

Read All News »

  • Remarkable Women of the Wissahickon Valley

  • Construction on Pennsylvania Ave. at Piszek Preserve

  • In Remembrance of Miriam (Mim) Theobald


A Healthy Wissahickon: We All Have a Part to Play from GreenTreks Network on Vimeo.

If you have a group who would like to view the movie, contact Gina Craigo at gina@wvwa.org.