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Environmental Protection

Aboveground Storage Tank (AST)

Facility Plan Approvals for Installation and Registration of AST

Large aboveground storage tanks containing hazardous chemicals are regulated to prevent releases and to ensure the cleanup of a release if and when they occur.

More Information

Department: DNREC

Division: Waste and Hazardous Substances

Office: Tank Management Section


Installation Plans are approved for one year. Registrations do not expire.


$1500 to $3750 for plan review of new ASTs, $300-$700 depending on the size of the tank for annual tank registration.

Application Form

Applicable Laws

Applicable Rules and Regulations


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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