Friends of Sligo Creek is a nonprofit community organization dedicated to protecting, improving, and appreciating the ecological health of Sligo Creek park and its surrounding watershed.

What FOSC does

Friends of Sligo Creek (FOSC) offers events year round in support and appreciation of Sligo Creek and adjacent parkland. Litter clean-up and invasive plant clear-out events are among the most popular FOSC activities in the spring, summer and fall. FOSC also sponsors guided outdoor explorations of different sections and aspects of Sligo Creek flora and fauna. A wide variety of indoor programs throughout the year educate neighbors and users of the park about Sligo Creek’s strengths and challenges. FOSC also monitors the creek, advocating for civic policies that will support a healthier Sligo.

FOSC invites you to visit the creek, volunteer at an upcoming event, attend a program, advocate for the Creek, and join FOSC.

    Welcome to the FOSC website

    You’re on our new website with a clean interface, new information and interactive features as well as many of the resources from the old site. We’re not finished transferring all the material we definitely want to include, but it’s coming in the next few months as we review and update it. Revisions to the mobile view are also underway.

    Please let us know what else you’d like to see or if you don’t find what you’re looking for.

    -Mike Smith, President of FOSC

    Sligo in Fall

    Enjoy the Fall weather and FOSC’s latest video. While you’re on YouTube, subscribe to the FOSC YouTube Channel!

    News & Updates

    September 2020 Newsletter

    FOSC September 2020 NewsletterFamily Zoom Event on Fall NatureAlternative Sweep the CreekSept. 10 [...]

    Water WatchDog mascot

    From the Fall 2020 Individual and Family Sweeps of Litter in the Creek

    See photos from the Sweep the Creek efforts this fall.

    Thanks to everyone who did an individual or family sweep in the last few weeks. Keep up the good work! Please share your individual sweep or other Sligo Creek pictures with FOSC. They’ll be posted on the website, on facebook, and in the newsletter.

    Ellsworth Drive Synthetic Turf Proposal

    The Hearing Officer received testimony and will make a recommendation to the County Executive; the County Executive will make a recommendation to the County Council; and the Council will vote on whether to approve the abandonment (transfer ownership from the public sector to the private developer) of Ellsworth.

    This is an important issue for downtown Silver Spring. FOSC opposes roadway abandonment to allow installation of synthetic turf because of human health and environmental pollution impacts.

    Plastic bits from artificial turf in the courtyard of the Discovery Bldg 9.2020 Plastic bits from the newly installed synthetic turf in the Discovery Building courtyard on 9.2020

    How to Remove Invasive Plants from Your Yard and Keep Them Out of Sligo

    Donate to FOSC

    Donate to Friends of Sligo Creek

    Get Involved

    • Participate in your community
    • Meet your neighbors
    • Improve your surroundings
    • Enhance your skill set
    • Arrange a group activity for your club or group
    • Advocate for the Creek
    Join FOSC
    • Receive the monthly eNewsletter
    • Get early notice of events and special opportunities
    • Have your name forwarded to your Section Steward
    • Contribute to special projects
    • Fund outdoor events, expert talks, equipment for invasive plant/litter removal, the kiosks in the park, water quality testing, and more
    • Support FOSC’s outreach to schools, civic groups, and all communities
    We’re listening
    • Tell us about your experience at a FOSC event
    • Suggest an activity
    • Voice your concern about an environmental issue
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