Find everything you wanted to know about petroleum storage tank compliance but didn't know who to ask by looking at the AST (aboveground storage tank) and UST (underground storage tank) Compliance web pages.

Liquefied and Compressed Gasses

Liquefied and Compressed Gasses inspectors conducts inspections at facilities that sell Liquefied Petroleum Gas (LPG), Compressed Natural Gas (CNG) and Liquefied Natural Gas (LNG).

Weights and Measures

Weights and Measures includes the Petroleum Laboratory, Registered Service Agencies (RSAs), Retail Motor Fuel Devices (RMFDs) and Vehicle Tank Meters (VTMs).


Remediation involves oversight of the assessment and remediation of petroleum releases at over 1,000 contaminated sites within Colorado. The Remediation goal is to identify, assess, and clean up contaminated sites while protecting human health and the environment.

Petroleum Storage Tank Fund   

Petroleum Storage Tank Fund (the Fund) staff receive and process applications to the Fund for reimbursement of costs related to assessment and cleanup of petroleum-contaminated sites.