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Environmental Protection

Underground Storage Tank (UST) Certified Contractors

Certification for Contractors who perform work on UST

The Underground Storage Tank (UST) compliance program oversees the installation, retrofitting, and removal of UST systems to verify the work is completed properly and by qualified, trained, and certified individuals and companies. UST systems which are subject to the requirements of the UST compliance program can be found at gas stations, manufacturing facilities, schools, and hospitals.

More Information and

Department: DNREC

Division: Waste and Hazardous Substances

Office: Tank Management Section


Contractors must be certified by DNREC's Tank Management Division.

Applicable Laws


Alex Rittberg can be contacted by email at and by phone at 302-395-2500.


This search covers most of the frequently requested licenses, certifications, registrations, and filings that the State of Delaware requires. However, this is not a fully exhaustive list of every possible requirement. Please consult with the appropriate state agencies to find out if there are additional requirements you must fulfill.

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