Used motor oil, filters and automotive fluids are recyclable but highly polluting if dumped — one gallon can contaminate a million gallons of water. Many auto-parts stores and HHW sites take them free.

In Montana we list 3 motor oil drop-off locations across 2 cities, with the most in Helena and Three Forks. Each links to its full page with address, phone and hours.

Motor Oil Drop-Off Locations in Montana

City Of Helena Transfer Station

📍Helena · 1975 N Benton Ave, Helena, MT 59601
📞+1 406-447-8082
🕐Today: 8 AM–4:15 PM
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Logan Landfill

📍Three Forks · 10585 2 Dog Rd, Three Forks, MT 59752
📞+1 406-582-2495
🕐Today: 7 AM–5 PM
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City Of Helena Solid Waste Division

📍Helena · 1975 N Benton Ave, Helena, MT 59601
📞+1 406-447-8086
🕐Today: 8 AM–4:15 PM
View Details →

Recycling Motor Oil in Montana: What to Know

🛢️ Used motor oil
Collected and re-refined into new oil. Keep it clean and uncontaminated.
🚗 Oil filters & antifreeze
Filters are drained and the steel recycled; antifreeze is handled as HHW.

How to Prepare Motor Oil

  • Store used oil in a clean, sealable container — never mix it with other fluids.
  • Do not contaminate oil with water, antifreeze or solvents, or it may be refused.
  • Many auto-parts chains accept used oil and filters free.

Motor Oil Recycling FAQ — Montana

Which Montana cities have the most motor oil drop-off locations?

The most motor oil drop-offs are in Helena (2) and Three Forks (1). In total we list 3 locations across 2 Montana cities — all listed above with addresses and hours.

Where can I recycle motor oil and automotive fluids in Montana?

Start with the facilities listed on this page and the full Montana directory. Auto-parts stores and county HHW facilities are the usual free options. Always call ahead to confirm the item is accepted and whether a fee applies.

Is there a fee to drop off motor oil and automotive fluids?

Some sites accept it free; others charge a per-item or per-pound fee because of processing or disposal costs. Fees change, so confirm with the facility before your visit.

Can I put motor oil and automotive fluids in my curbside bin?

Usually no — motor oil and automotive fluids typically needs a dedicated drop-off rather than the curbside recycling cart. Check your city or county program for its specific rules.

See all motor oil & fluid recycling locations by city, the full Montana recycling directory, or motor oil recycling in Texas, New Jersey, South Carolina, North Carolina, Tennessee.