The City of Round Rock offers the following residential auto waste disposal options:
Dispose of used motor oil at a recycling center during normal business hours.
The recycling center will accept 5 gallons or less. Gasoline must be in approved gas containers (not milk or other plastic jugs) and handed directly to on-site personnel.
Antifreeze, brake/transmission/power steering fluid, car batteries, and oil filters are also available at the recycling center.