You can prevent most water damage by not having potted plants or drinks around the rug.
This will not necessarily allow the rug to dry sooner but also again detract the risk for mold or mildew. http://7Sa.noradtrackssanta.com/__media__/js/netsoltrademark.php?d=Yesbookmarks.com%2Fstory18086264%2Fnlifelab