For tourist most host (places where you're sleeping) provide a dumpster that their guest may use, though tourist should verify with the host first.
The bailer facility also will accept standard garbage bags / plastic bags full of trash from tourist for no charge. So even if you're free camping on state land or roadside car camping there is a free garbage disposal option.
The bailer facility is located at 500 S. Sawmill Rd., (Google Maps gets the location wrong. For Google Maps use "500 Sawhill Dr"). GPS: 61.1218576,-146.2634881 or 61.1218576 N, 146.2634881 W. The map below shows the location via satellite map.