When considering the topic of water and porous media, groundwater and hydrogeology come to mind first. We want to look at water in a broader context at this conference, covering topics like water supply, desalination, purification, biochars, sanitation, filtration, evaporation, constructed wetlands, biofilters, wastewater treatment, drip irrigation, hydroponics, permeable pavements, water-resistant outdoor gear, and any other natural or man-made situations where water interacts with porous materials.