Tank Site Improvement Program

ADEQ's new Underground Storage Tank Site Improvement Program (TSI) provides financial assistance to Underground Storage Tank (UST) owners, operators and property owners for specific tank site improvements that help prevent future costly remedial activities.  

Funding is $100,000 per facility and includes up to:

  • $100,000 per site for UST system upgrades
  • $30,000 per event for baseline assessments
  • $20,000 per tank for UST removal
  • $10,000 per event for suspected release confirmation

Learn more about site improvements eligible for reimbursement | Learn More >

Application Information

Applicants are responsible for acquiring bids, managing contracted work, and submitting costs for reimbursement. Once an application is approved by ADEQ, applicants should complete the ADEQ-preapproved work and request reimbursement as soon as possible and no later than one year.1

Now Accepting Applications! | Steps to Apply >