• [EXTENDED] Winter Salt Snapshot 2026

    Volunteers throughout the Delaware River watershed and beyond will sample streams to tell the story of road salt in their communities.

    Free
  • Wild & Scenic Film Festival

    Upland Country Day School 420 W. Street Rd., Kennett Square, PA, United States

    Enjoy an evening of films that illustrate the earth’s beauty, show the challenges facing our planet, and highlight the communities working to protect it.

    $45 – $80
  • Science Open House Celebrating World Water Day

    Stroud Water Research Center 970 Spencer Road, Avondale, PA, United States

    Experience the thrill of real scientific exploration through live demos and hands-on experiments while discovering how to protect our precious water resources.

    Free
  • Salt Pollution Water Testing Event in Harrisburg

    The Rotunda at the Pennsylvania State Capitol Complex N. 6th St. & Reily St., Harrisburg, Pennsylvania, United States

    If you live in the Harrisburg area and are worried about road salt pollution in your local stream, collect a water sample and bring it to be tested.

  • Source to Sea Instructor Training

    Stroud Water Research Center 970 Spencer Road, Avondale, PA, United States

    Instructors will learn how to empower learners to explore watershed-to-ocean connections, participate in citizen science, and adopt a stream of their own.

    $100
  • Fore Fresh Water Golf Invitational

    Bidermann Golf Course 601 Adams Dam Road, Wilmington, DE, United States

    Tee off “fore” fresh water at our annual golf invitational to support freshwater research, environmental education, and watershed restoration.

  • Outdoor Teaching and Learning Camp

    This educator camp blends stream science, outdoor learning, and classroom application, helping teachers transform local waterways into living laboratories.

    $200
  • Stroud Center Science Camp

    Throughout the week, campers will explore the Stroud Center’s forested campus along the creek, perform hands-on freshwater science experiments, and create nature-themed crafts.