Iowa Aboveground Storage Tanks regulations & environmental compliance analysis

Iowa Aboveground Storage Tanks: What you need to know

Governing Law and Regulations

National Fire Protection Association (NFPA) Codes 30 and 30A

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Petroleum aboveground storage tanks (ASTs): IAC 661-224.1(101) to IAC 224.8(101)

Liquified petroleum (LP) gas installations: IAC 661-226.1(101)

Regulatory Agencies

Iowa Department of Natural Resources (DNR) Division of Land Quality

Iowa Department of Public Safety State Fire Marshal Division Flammable and Combustible Liquids Bureau

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Iowa's state fire code has adopted NFPA 30 and NFPA 30A standards that cover AST location, capacity, corrosion protection, and spill requirements. However, where the NFPA code requires installation of either an external gate valve or an emergency internal check valve, Iowa requires both types of valve.

The state requires registration with the state fire marshal of any ASTs with a capacity over 1,100 gallons (gal), except heating oil tanks. In addition, AST owners and operators must receive plan approval from the state fire marshal before any tank installation or modification.

Iowa's underground storage tank (UST) rules have incorporated the federal rules, with additional and more stringent requirements. See the state section UNDERGROUND STORAGE TANKS for additional information.

See the state section HAZWASTE STORAGE AND TREATMENT TANKS for a discussion of the state requirements that cover tanks that contain hazardous waste.

Administration and enforcement. The state fire marshal administers and enforces the state fire code as it applies to ASTs. DNR administers and enforces the Iowa Groundwater Protection Act as it applies to ...


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Iowa Aboveground Storage Tanks Resources

Type Title
Checklists Tank In-Service Inspection Checklist
Forms UST/AST Registration
See all Aboveground Storage Tanks Resources