• Free Screening of “Our Blue World”

    Kennett Library 320 E. State Street, Kennett Square, Pennsylvania, United States

    This beautiful and moving film reveals our profound relationship with water and its role as the nourishing force for all living things on this planet.

    Free
  • [CANCELED] STREAM Girls Stream Study and Fly-Fishing Event

    White Clay Creek Preserve Office 405 Sharpless Road, Landenberg, Pennsylvania, United States

    Join us for a fun-filled day to study the ecosystem and wildlife in the White Clay Creek and learn the basics of fly fishing!

    $5
  • Fall Salt Pollution Stream Snapshot

    Help assess road salt pollution levels and patterns in streams and rivers to better understand how salt accumulates across different landscapes.

    Free
  • MWEEs and the Leaf Pack Network

    Join us for a special MWEE Ambassador Training and learn a fun, immersive way to engage with watershed science.

  • Salt Intrusion Lecture

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

    As sea levels rise, the threat is not just the swelling sea, but the encroaching salt that kills forests and affects farmable land.

    Free
  • Volunteer Streamside Buffer Maintenance

    Stoner Commons Parking Lot 605 Granite Run Drive, Lancaster, Pennsylvania, United States

    Join us for a monthly volunteer day to help the streamside forest and pollinator garden in Lancaster's Overlook Park thrive. 

    Free
  • Volunteer Tree Planting

    Help us plant trees in Cochranville with the Chesapeake Bay Foundation!

    Free
  • 2025 Joan and Dick Stroud Memorial Lecture

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

    Discover what research in the canopy of Costa Rican cloud forests is revealing about the impact of climate change on these sensitive ecosystems.

    Free
  • Volunteer Streamside Buffer Maintenance

    Stoner Commons Parking Lot 605 Granite Run Drive, Lancaster, Pennsylvania, United States

    Join us for a monthly volunteer day to help the streamside forest and pollinator garden in Lancaster's Overlook Park thrive.

    Free
  • 2025 Fall Salt Stream Snapshot Wrap-Up

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

    Join us to hear the results of the fall snapshot, participate in the discussion, and learn ways you can help keep our fresh water … fresh!

    Free
  • ExtraGive Celebration at Thistle Finch Distillery

    Burley Bar and Restaurant at Thistle Finch Distillery 417 W. Grant Street, Lancaster, Pennsylvania, United States

    Join us for a celebration of the community’s commitment to freshwater resources!

    Free
  • Winter Salt Week 2026

    Join us for a week of virtual and in-person events dedicated to raising awareness around salt pollution and reduction solutions.

    Free
  • [UPDATED] Salt Pollution Water Testing Event in West Chester

    Borough of West Chester - Borough Hall 401 E Gay St., West Chester, Pennsylvania, United States

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

    Free
  • [CANCELED] School-Days-Off Camp: Watershed Wonders

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

    Our School-Days-Off Camps invite third- through fifth-grade students to spend a fun-filled day outdoors along White Clay Creek. The theme this month is Watershed Wonders.

  • 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
  • [POSTPONED] Salt Pollution Water Testing Event in Harrisburg

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

    POSTPONED UNTIL FALL: 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
  • The Hidden Journey of Microplastics

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

    Join National Geographic Explorer Rachael Miller for a look at how her team investigates microplastic pollution using techniques inspired by forensic science.

    Free
  • White Clay Creek Fest

    White Clay Creek State Park 880 New London Road, Newark, Delaware, United States

    Enjoy live music, children’s activities, exhibits, vendors, educational hikes, good food, and other live entertainment. Stop by our exhibit and say hello!

    Free
  • Willowdale Steeplechase

    Willowdale Steeplechase 101 E. Street Road, Kennett Square, Pennsylvania

    Whether you’re a horse enthusiast or like spending a fun day with family and friends in the beautiful countryside, it’s time to make plans for the Willowdale Steeplechase!

  • Virtual Silent Auction Fore Fresh Water

    Online

    From jewelry to great adventures, we've got you covered! The auction will open on Friday, May 15 and close on Tuesday, May 19.

  • Fore Fresh Water Golf Invitational

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

  • Junior Ranger Angler Events

    Families and kids of all ages are invited to earn their Junior Ranger Angler badge while exploring the outdoors together.

    Free
  • Chukkas for Clean Water Polo Benefit

    Brandywine Polo Club 232 Polo Road, Toughkenamon, Pennsylvania, United States

    Join Stroud Water Research Center and Brandywine Polo Club for a fun night benefiting freshwater research, education, and watershed restoration.

    $15 – $20
  • Volunteer Streamside Buffer Maintenance

    Stoner Commons Parking Lot 605 Granite Run Drive, Lancaster, Pennsylvania, United States

    Join us for a monthly volunteer day to help the streamside forest and pollinator garden in Lancaster's Overlook Park thrive.

    Free
  • 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
  • Taxonomic Certification Opportunity in North Carolina

    Highlands Biological Station 265 N. 6th Street, Highlands, NC, United States

    Taxonomic Certification Program exams will be offered in conjuction with a two-week course, Southern Appalachian Mayflies, Stoneflies, and Caddisflies.

  • 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.