The State of Iowa requires any person manufacturing, storing, handling, transporting, or disposing of a hazardous substance to notify the Department of Natural Resources and local law enforcement of the occurrence of a hazardous condition. Additionally, the State of Iowa requires a person storing, handling, transporting, or land-applying manure from a confinement feeding operation or storing, handling, transporting, or land-applying manure, process wastewater, open feedlot effluent, settled open feedlot effluent or settleable solids from an open feedlot operation who becomes aware of a release to notify the Department of Natural Resources. This online database allows the public to view reported spill data in their communities.