Propane tanks disposal in Hawaii
What Hawaii says to do with propane tanks, read off Hawaii Department of Health's own page on 2026-08-19.
Hawaii's Department of Health says propane refilling or authorized cylinder exchange facilities will take your expired or damaged tanks and give you new ones in exchange — do not throw them in the trash; the department lists free county drop-off points island by island. Read from Hawaii Department of Health · checked 2026-08-19
Do not put propane tanks in the trash — solid waste equipment can rupture the cylinder and any spark can cause an explosion, and you should never attempt to de-valve your own propane tank (New Hampshire Department of Environmental Services).
Do not throw propane tanks in the trash (Hawaii Department of Health).
Where to take it
Your county program is listed in Hawaii Department of Health's county program directory.
Counties differ — verify with your local program.
All 50 states: How do you dispose of a propane tank? — the federal baseline, what happens to it, and every state's rule with the page it was read from.