The basic polypropylene WaterBag is reusable. If that is not desired, then it may be disposed of as regular garbage. The gel SAP maybe used in landscaping and as an ingredient to help reduce soil erosion. Please read the "Landscaping uses of Cross-Linked Polyacrylamide in the Western United States" and "A Method to Reduce Soil Erosion" both located at either www.waterbags.net or www.supersizewaterbags.com. If the water or the gel has become contaminated dispose according to local, State Federal regulations.