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After several centuries, a dam is set to be removed from Cobbs Creek. Red tape continues to delay the project

By Dawn Kane and Bernard Brown It has been nearly 380 years since blueback herring have been able to swim up Cobbs Creek beyond what is now Woodland Avenue. Back in 1645, New Sweden’s governor, Johan Björnsson Printz, built a gristmill on the waterway the Lenape call Karakung. Water-powered mills generally rely on a dam

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7 mins read
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In the Delaware River watershed and elsewhere, a well-funded push to use freshwater mussels to clean up creeks and rivers is underway. Some question the efficacy of these efforts

When the Fairmount Water Works was built in the early 19th century to provide clean drinking water to Philadelphia, it was a feat of modern engineering. Steam engines and a dam across the Schuylkill River powered water wheels large enough to pump millions of gallons a day uphill to a reservoir atop nearby Fair Mount.

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9 mins read
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Watershed fellows teach practical knowledge and artistic expression at environmental centers

On yet another wet weekend, a group of ten braced a downpour to walk along the trails of Strawberry Mansion’s Discovery Center for a wild plant tour. Their journey began at the trail entrance, where an innocuous weed was growing. Tour guide Lady Danni Morinich, a local herbalist and forager, identified the plant as yellow

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5 mins read
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A new paddling program gets Philadelphians onto the Schuylkill, free of charge

On a dock where Wissahickon Creek meets the Schuylkill River, LandHealth Institute deputy director Mayci Shimon steadies kayaks as paddlers carefully shimmy in, some for the first time. Despite the rumble of SEPTA traffic on a nearby bridge, the Philadelphia Canoe Club offers a serene escape. Nestled away, the historic, 119-year-old house aglow with the

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2 mins read
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Federal program is finally incorporating climate change into precipitation frequency estimates, giving developers and engineers access to more accurate projections

In early September 2021, the remnants of Hurricane Ida swept through Southeastern Pennsylvania, destroying hundreds of homes, resulting in more than a hundred million dollars in economic damages and killing five people. Much of the pain was felt within the Schuyl-kill River watershed, where Ida left homes and businesses flooded from Schwenksville to Norristown to

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6 mins read
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Home buyout programs adapt to worsening flood risks

When Tropical Storm Isaias hit the East Coast in early August 2020, the waters of Perkiomen Creek surged higher than 19 feet, a record for the waterway and eight feet beyond its flood stage. Homes situated along the creek on First Avenue in Collegeville, Montgomery County, bore the brunt of the flooding. But the Federal

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7 mins read
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The Delaware Valley needs large-scale, regional planning to effectively address flooding. What’s in place is local and piecemeal

During his third year in office as a Pennsylvania State Representative, Joe Webster found a menace hiding within his bucolic Montgomery County district. Snaking its way through the landscape, lurking beneath bridges near the downtowns of Schwenksville, Graterford and Collegeville, the Perkiomen Creek was lying in wait. When the remnants of Hurricane Ida arrived in

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10 mins read
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