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  • Winter Salt Stream Snapshot Wrap-Up Event text with screenshot of salt map.

    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

  • Brightly colored wildflowers blooming in a rain garden.

    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

  • Two riders competing at the Willowdale Steeplechase.

    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.

  • Three men learn about DIY environmental monitoring at a workshop.

    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

  • Water drop hitting the water surface.

    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
  • Crazy Hill riparian buffer in 2023 showing strong growth

    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
  • Tom Best admires a bird's nest in a tree in a young riparian buffer.

    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
  • Tara Muenz helps a child at the aquatic macroinvertebrate touch tank.

    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
  • Sunset over the Chesapeake & Delaware Canal by Diana Oviedo

    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
  • A small stream with a newly planted riparian forested buffer.

    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

  • Four players vying for the chukka at Brandywine Polo Club.

    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 Event Flyer.

    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

  • Promotional image for the Our Blue World film screening.

    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
  • An educator helping four girls identify the aquatic insects they collected from a stream.

    [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

  • TTF Watershed Partnership volunteers logging winter salt stream snapshot samples.

    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
  • Five workshop participants holding their artificial leaf packs.

    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.

  • Trees killed by saltwater intrusion in Alligator River National Wildlife Refuge.

    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
  • Volunteers staking native trees in Overlook Park

    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

  • A group of tree planting volunteers from Sycamore.

    Volunteer Tree Planting

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

    Free
  • The 2025 Joan and Dick Stroud Memorial Lecture featuring forest ecophysiologist Sybil Gotsch, Ph.D.

    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
  • Volunteers planting native plants at Overlook Park.

    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
  • A map show Valley Forge Trout Unlimited's fall salt snapshot sampling sites.

    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
  • People enjoying drinks in Burley Bar at Thistle Finch Distillery.

    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

  • Volunteers planting native trees in Overlook Park.

    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

  • A TTF Watershed Partnership volunteers collecting a winter salt stream snapshot sample.

    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
  • White Clay Creek forested reach in winter by Tim Smith.

    [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

  • School-Days-Off Camp: Where Days Off Become Days of Discovery.

    [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.

  • 2026 Wild & Scenic Film Festival Banner.

    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
  • A scientist shows a small live eel to children at World Water Day.

    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
  • Little Four Mile Run Waterfall in Winter by Laura Zgleszewski

    [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.

  • Teachers collecting aquatic macroinvertebrates at a workshop.

    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

  • A shoal of Striped Mackerel filter feeding amongst loads of plastic waste.

    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

  • A boy catches a live aquatic macroinvertebrate to observe from the discovery tank.

    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
  • Four golfers from Constellation at the hole the company sponsored.

    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.

  • Six teachers collecting macroinvertebrates in White Clay Creek.

    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

  • Epeorus pleuralis mayfly

    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.