Is Blowing Grass or Leaves Into the Street Illegal in Texas? What Does the Texas Law Actually Say About Yard Waste? It is included in the Texas Health and Safety Code 365.012In Texas, you cannot dump leaves, yard waste, or any other solid waste anywhere that isn't an approved disposal site. It's considered littering and illegal dumping, involving blowing or sweeping grass, leaves, or other debris into the streets. Think twice before blowing or sweeping your grass or leaves into the street; it could cost you.