Are there permeable driveway surfaces?
There are several widely accepted permeable surfaces available for use as a driveway and which would qualify for a stormwater credit. The most common permeable pavers, grass pavers, porous concrete, and porous asphalt. For more information or examples of these please visit the City's website at or contact the Department of Public Works at (703) 248-5026 (TTY 711).

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1. Why are gravel driveways considered impervious?
2. Who else classifies gravel as impervious?
3. I poured water on my driveway and it disappeared. Is it really impervious?
4. Can I get credit for my gravel driveway?
5. Are there permeable driveway surfaces?