Iowa Oil Spill Response regulations & environmental compliance analysis

Iowa Oil Spill Response: What you need to know

Governing Law and Regulations

Hazardous condition notification requirements: Iowa Administrative Code (IAC) 567-131.1(455B) and IAC 567-131.2(455B)

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Iowa underground storage tank (UST) release reporting: IAC 567-135.6(455B)

Nonreportable releases from USTs: IAC 567-135.6(4)(455B)

UST release investigation: IAC 567-135.6(3)(455B)

Regulatory Agencies

Iowa Department of Natural Resources (DNR) Environmental Services Division Field Services and Compliance Bureau Emergency Response and Homeland Security Unit

U.S. Environmental Protection Agency (EPA) Region 7

DNR Emergency Response Unit24-hour emergency spill response515-281-8694

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. In general, Iowa's reporting requirements are more stringent than the federal reporting requirements. For instance, the time limit for reporting at the federal level is more immediate. In addition, Iowa requires petroleum USTs (including gasoline, heating oil, and jet fuel USTs) to report both suspected and confirmed releases to DNR within 24 hours of discovery. See the state section UNDERGROUND STORAGE TANKS for additional guidance.

Administration and enforcement. DNR's Emergency Response and Homeland Security Unit is responsible for the administration and enforcement of the state's release notification requirements. EPA's Region 7 office administers and enforces the federal oil spill requirements under the Oil Pollution Act.

State Requirements


IAC 567-131.1(455B) and IAC 567-131.2(455B)

Any person manufacturing, storing, handling, transporting, or disposing of a hazardous substance must notify DNR ...

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