New waste tire fee for single location stores
Note: Due to the establishment of the Waste Tire Enterprise Fee by the Waste Tire Management Enterprise Board, the waste tire fee on new motor vehicle and trailer tires will increase from $0.50/tire to $2.00/tire effective January 1, 2026. Fee collection will continue on a quarterly basis.
Please note that the Return Form and payment for October, November, and December 2025 (fourth quarter) for the $0.50 fee is due by January 20, 2026.
Online training waste tire fee filing requirements
We will be hosting optional outreach meetings on November 18th and December 16th at 10am MST to discuss the fee changes with all fee payers and remitters. These sessions will provide an opportunity to address your questions and concerns directly.
WT-6 form instructions
- Click on the link to the WT-6 form below.
- A new page will open with a dropdown and search field.
- Use the drop down or type in your business name.
- Select your business and click on the "Fill out your new tire fee return" link.
- The form will open with your business name and ID prepopulated, and you can fill out the rest of the form.
- If you are reporting for a quarter, be sure to select "Q3" or "Q4".
- If you have any problems, please call (303) 692-3437 or email cdphe_wastetirefees@state.co.us.
WT-6 form for tire dealers
WT-6 form for single-location stores
- Ensure payer is authorized to use the account.
- Must be received by the 20th of the month following the previous calendar quarter for new tires sold.
- Submit a form each quarter even if you didn't sell any tires and no fee is owed.
If you need to make a back payment, please contact the Waste Tire Fee Analyst:
303-692-3437