Celebrate World Rivers Day: Discover Ways to Keep Your Waterways Healthy!

September 22 is World Rivers Day, serving as a reminder of the vital role waterways play in Maryland communities.

To celebrate and learn more, explore the “How Your Watershed Works” Learning Module from Protect Local Waterways. This interactive resource highlights how community activities on land impact local water quality. It also explains how precipitation and water flow affect neighborhoods across Maryland and emphasizes the benefits of maintaining healthy waterways. With this knowledge, residents can help protect and improve local rivers—because when Maryland waterways thrive, so do its communities.

Take action to ensure fishable, swimmable, and drinkable water for your community! Visit here to learn more.


World Rivers Day, celebrated on the fourth Sunday of September, highlights the importance of rivers not only as natural resources but as the lifeblood of communities. Around the world, rivers provide drinking water, food, transportation, and habitat for many wildlife. In Maryland, rivers like the Potomac, Patuxent, and Susquehanna connect the state’s regions, offering economic, recreational, and ecological value.