Can you pressure wash a driveway with just water?

Can you pressure wash a driveway with just water?

Yes, plain water alone can clean a driveway effectively, particularly for surface-level dirt, dust, and light debris that hasn’t had time to bond deeply with the concrete. High-pressure water alone physically dislodges loose grime without needing chemical assistance for straightforward, routine maintenance cleaning. However, for oil stains, algae, mildew, or years of accumulated buildup, water alone typically isn’t sufficient, since these types of staining rely on chemical breakdown rather than just physical force to fully lift from concrete’s porous surface. In those cases, pairing water with an appropriate detergent or degreaser will produce meaningfully better, longer-lasting results than pressure alone. For a driveway that’s already in reasonably good condition and just needs routine upkeep, water-only cleaning is a perfectly reasonable, lower-cost approach.