Water is a major threat to libraries. Over the years, water has damaged library materials via roof leaks, burst pipes, and river flooding. As you can see from the map below, water is a major issue in several places across the United States today. (Flood advisories and warnings are in green.) Here are a couple of questions we should all be asking ourselves: How’s our supply of plastic covering? Are any of our unique or hard to replace materials in the path of potential flooding?