The Division of Petroleum & Chemical Safety
Underground Storage Tanks (UST)
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The Division of Petroleum & Chemical Safety was created to manage the problems caused by the thousands of underground storage tank systems containing petroleum or hazardous chemicals. The division regulates petroleum and chemical storage tanks through registration to ensure the protection of public health and safety. The division has registered more than 73,000 tanks in Illinois. Other duties include issuing permits for all tank installations, removals, repairs, upgrades, relining and abandonment-in-place. Eligibility and deductibility determinations are also made to determine if a tank owner can access the leaking underground storage tank fund. Inspectors in this division respond to petroleum and chemical leaks and spills.
Online services. . .
Public Access Searches
Licensed UST Contractor Login
Contractor Applications and Forms
- Application for a NEW contractor license (Existing contractors go to the UST Portal to renew/update licenses)
- Authorization to Submit Eligibility & Deductible Application
This is required to use the online Eligibility & Deductible Application