Ruins of the McMillan Sand Filtration Site at Reservoir Park
Wheelchair accessible
An Industrial Revolution-era public work that purified water using nothing but sand.

šŸ“œ Historic sand filtration site turned public park.
šŸ” Purified D.C.'s water using sand, now accessible to the public.

Why Go

šŸ›ļø Explore industrial revolution-era public works
šŸŒ³ Enjoy a public park with preserved historical elements
šŸš¶ Walk through underground catacombs and sand silos
šŸžļø Experience a unique blend of history and recreation

Tips

šŸ“… Opened to public June 15, 2024, updated Dec 2024.
ā™æ Reservoirs and some catacombs are accessible.

Hours

šŸ•’ Daily, open to the public.

Last updated 1 day ago

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