TrashRules

A field guide for
the things we leave behind.

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Paint & chemicalsSeattle, Washington

Propane and butane tanks

Eligible household cylinders use hazardous-waste collection. Tank size and condition matter.

Paint & chemicals
More information needed

Check the conditions for your item

Confirm that your property is inside the city service area. A ZIP code alone does not establish service.

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Where it's being collected

A ZIP code alone does not confirm service. Check with Seattle Public Utilities

Specific limits still apply. Large quantities need separate confirmation.

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The local rules

Seattle

Follow the conditions that match your item and collection service. Open any rule for the full instructions and sources.

Special drop-offReviewed ruleApplies when: Is the product identified and the container sound?: Known product in a sound, labeled container · Is each tank at most 8 gallons, with no more than 5 tanks?: Yes

Use a household hazardous-waste facility for a sound, identified propane or butane cylinder within the stated limits.

For households · Seattle Public Utilities household collection

Quantity limit: At most 8 gallons per container and 5 tanks per trip.

Reviewed September 22, 2026

Seattle Public Utilities: Where to Dispose of Household Hazardous Waste · King County Hazardous Waste Management Program: Propane and butane tank disposal
Verify with the agencyReviewed ruleApplies when: Is the product identified and the container sound?: Damaged container; no active spill, gas leak, fumes, or immediate danger or Unknown product or missing label

Call the Haz Waste Help Line at 206-296-4692 for instructions for this condition. A routine drop-off has not been confirmed.

For households · Seattle Public Utilities household collection

Exceptions to check

Reviewed September 22, 2026

Seattle Public Utilities: Where to Dispose of Household Hazardous Waste · King County Hazardous Waste Management Program: Unknown or unlabeled waste disposal
Verify with the agencyReviewed ruleApplies when: Is the product identified and the container sound?: Known product in a sound, labeled container · Is each tank at most 8 gallons, with no more than 5 tanks?: No

Call 206-296-4692 for a larger tank or a quantity outside these limits.

For households · Seattle Public Utilities household collection

Reviewed September 22, 2026

King County Hazardous Waste Management Program: Propane and butane tank disposal
Verify with the agencyReviewed ruleApplies when: Is the product identified and the container sound?: Active hazardous spill, leaking gas, toxic fumes, fire, or immediate danger

Leave the area, warn others to stay away, and call 911 for an active hazardous spill, gas leak, toxic fumes, fire, or immediate danger.

For households · Seattle Public Utilities household collection

Reviewed September 22, 2026

Seattle Office of Emergency Management: Hazardous materials emergency instructions · Seattle Public Utilities: Spill Response Program

Places & programs to check

Confirm eligibility and acceptance for your item's condition before making a trip. Listing a location does not confirm that it can take every item.