Case Study: Silk Mill Run, Our 100th Dam Removal

Case Study: Silk Mill Run, Our 100th Dam Removal

For more than a century, dams along Silk Mill Run in Jim Thorpe, Pennsylvania, altered the natural flow of this cold-water stream. The first was constructed in the 1920s to create a water supply for the borough, with additional structures later creating a series of...
Case Study: York Haven Fishway

Case Study: York Haven Fishway

For over 120 years, the York Haven Hydroelectric Station Dam stood across the Susquehanna River, generating power for surrounding communities. But it also prevented American shad and blueback herring from migrating to their historic spawning grounds in upstate...
What Is Environmental Excavation?

What Is Environmental Excavation?

You may already be familiar with excavation — the process of removing soil, rock, and debris to prepare land for construction work. In environmental excavation, often the goal is to remove contaminated soil or reshape land and waterways to restore natural systems. For...
Case Study: Little Chiques Creek

Case Study: Little Chiques Creek

As part of the eastern boundary of the borough of Mount Joy, Pennsylvania, the Little Chiques Creek also surrounds a 24-acre municipal park, forming a slow-moving, horseshoe-shaped oxbow section of stream. This portion of the creek had been modified in the past with a...