Covers: Propane tanks and cylinders (empty or full)
No
Short answer: Never, even when empty. Pressurized cylinders can explode in compactor trucks.
Mississippi DEQ says propane is a hazardous material and tanks should not go to the curb because they endanger collectors in compactor trucks. Oregon Metro says propane tanks must go to a hazardous waste facility even when empty. Bagster lists propane as unacceptable, and Dumpsters.com prohibits propane tanks.
Use a tank exchange (leave the old tank when you buy a filled one), a propane dealer, or HHW for small 1-lb cylinders.
Checked October 2026. Rules change; your hauler's prohibited-items list is the final word.