• 2024 Joan and Dick Stroud Memorial Lecture

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

    Award-winning author and photographer Tim Palmer will speak about his book, Seek Higher Ground: The Natural Solution to Our Urgent Flooding Crisis.

    Free
  • Algae, Algae, Everywhere

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

    Learn about the causes of harmful algal blooms in Lake Erie, why we need to be concerned, and what we should do to prevent exposure to bloom toxins.

    Free
  • Healthy Streams Through an Ecosystem Lens

    Join us to discover the hallmarks of a healthy stream ecosystem and learn how our streams respond to a variety of land uses and pollutants.

    Free
  • Outdoor Learning Space Design Workshop

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

    Come learn how to create an outdoor learning space where meaningful learning can happen while also benefiting water quality and wildlife habitat!

    Free
  • 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.

  • Creating on the Conestoga: A Plein Air Event

    Conestoga Greenway Trail Parking Lot 407 S. Broad St., Lancaster, Pennsylvania, United States

    Enjoy time outside creating in nature with Stroud Water Research Center, the Chesapeake Bay Foundation, and Curio. Gallery and Creative Supply.

    Free
  • Celebrating 75 Years: Ruth Patrick and Her Legacy Study of the Conestoga

    Thaddeus Stevens College of Technology, Greiner Campus 599 Chesapeake St., Lancaster, Pennsylvania, United States

    Join us for a special lecture by Bern Sweeney, Ph.D., celebrating Ruth Patrick, Ph.D., and her groundbreaking 1948 study of the Conestoga River.

    Free
  • Learn Do-It-Yourself Electronics for Environmental Monitoring

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

    You'll learn the skills necessary to assemble, program, and deploy a water monitoring station, with the understanding that the DIY journey has just begun!

    $135
  • Catch the Rain Workshop

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

    Learn how rain gardens improve water quality, reduce flooding, recharge wells, filter pollutants, reduce summer heat, and keep our water clean.

    Free
  • Slimy Leaves for Healthy Streams: A Leaf Pack Network Workshop

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

    Learn about a fun, hands-on tool for people of all ages that demonstrates how our actions on land impact stream life and water quality.

    Free
  • Brandywine Paddling Expedition

    Brandywine Park 1080 N. Park Drive, Wilmington, DE, United States

    Join us for educational activities in Brandywine Park followed by a paddle from the park to the confluence of the Brandywine and Christina rivers.

    Free
  • Mapping MWEEs in Pennsylvania’s STEELS Standards

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

    Teachers, curriculum coordinators, administrators, and nonformal educators will learn how to incorporate STEELS standards into their instruction.

    Free
  • Healthy Streams Through an Ecosystem Lens

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

    Join us to learn the hallmarks of healthy, well-functioning stream ecosystems and how streams respond to a variety of land uses and pollutants.

    Free
  • Winter Salt Week

    Join us or one of our partner organizations virtually or in person to learn how road salt impacts local waterways.

    Free
  • Winter Salt Stream Snapshot Wrap-Up

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

    Discover how road salt impacts our streams! Join us at in person or online to explore findings and solutions for protecting fresh water.

    Free
  • WATER/ROOTS: Assessing and Supporting Stream Health

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

    Learn how to assess and support stream health with Scott Ensign, Ph.D., assistant director, vice president, and research scientist at Stroud Water Research Center.

    Free
  • Ecological Solutions to Managing Stormwater on Your Property

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

    Learn how to implement ecological, low-impact solutions to help reduce flooding, prevent erosion, and improve water quality while enhancing your landscape.

    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 16 and close on Tuesday, May 20.

  • 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.

  • Learn Do-It-Yourself Electronics for Environmental Monitoring

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

    Get the skills necessary to assemble, program, and deploy a water monitoring station, with the understanding that the DIY journey has just begun!

    $135
  • Watermark Watershed Challenge

    Join the Stroud Center and Xylem Watermark for a monthlong game and a June 18 webinar in support of clean fresh water.

    Free
  • Stream and Buffer Ecology Workshop

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

    Join us for expert insights on stream ecology, threats to freshwater ecosystems, and the role of riparian forests in restoring them.

    Free
  • Stream and Buffer Ecology Workshop

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

    Join us for expert insights on stream ecology, threats to freshwater ecosystems, and the role of riparian forests in restoring them.

    Free
  • Macroinvertebrate Discovery Tank Workshop

    Learn how to create an exciting and accessible short-term stream critter environment to connect with K–12 students and public audiences.

    Free
  • Shall We Gather at the River: A Night of Singing in Community

    Community Mennonite Church of Lancaster 328 West Orange Street, Lancaster, PA, United States

    Immerse yourself in a night of hymns, celebrating the life-giving power of water through beautiful imagery of rivers, streams, and renewal.

    Free
  • Watershed Restoration Workshop

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

    Discover science-backed strategies that help stream ecosystems recover from degradation.

    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
  • Junior Ranger Angler Program

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

    No matter who you are or where you live, whether you’ve been fishing or not, if you’re ready to learn, explore, and be a safe angler, fishing is for you!

    Free
  • 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