Delaware Aboveground Storage Tank Requirements

For Tanks containing Regulated Substances other than Diesel, Heating Fuel or Kerosene

	Registration	New Construction Fee	Annual Fee	Release Reporting & Remediation	Subject to Technical Regulations	Signage
ASTs > 250 gallons and < 12,500 gallons	X			X		X
ASTs > 12,500 gallons and < 40,000 gallons Agricultural/Farm ASTs have separate requirements.	X	$1,500.00	$300.00	X	X	X
ASTs > 40,000 gallons	X	$3,750.00	$750.00	X	X	X
ASTs >250 gallons and < 1,100 gallons containing: Heating Fuel used on the premises where stored. Motor Fuel or Motor Oil used for non-commercial purposes. Ag/Farm substance including Petroleum products.				X
ASTs installed on a temporary basis, not to exceed six months.				X
ASTs Regulated Pursuant to Title 29, Del Code §8028. (Boiler Safety Program)				X
ASTs regulated pursuant to Title 7, Del Code Chapter 77. (Accidental Release Prevention Program)				X

ASTs do NOT include: Flow through process tanks, Wastewater treatment works containment vessels, Transformers, Septic Tanks, Pipelines, propane Tanks

Regulated Substance: 1% CERCLA substance; 1% IRIS substance; Petroleum Product; Any other substance deemed by the Secretary to pose a risk to human health, safety or the environment.