Illinois Release Notification regulations & environmental compliance analysis

Illinois Release Notification: What you need to know

Governing Law and Regulations

Hazardous substances: 35 Illinois Administrative Code (IAC) 750.410

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Emergency notification: 29 IAC 430.30 and 29 IAC 620.100

Petroleum storage tanks: 35 IAC 731.161 and 35 IAC 732.202

Underground storage tanks (USTs): 41 IAC 176.300

Petroleum tanks: 41 IAC 176.300 to 176.320, 41 IAC 176.350, and 35 IAC 732.202

Hazardous substance tanks: 35 IAC 731.160 to 731.167 and 41 IAC 176.320

Ag Waste: 35 IAC 580.105

Regulatory Agencies

State Emergency Response Commission (SERC) Illinois Emergency Management Agency (IEMA)

Illinois Environmental Protection Agency (IEPA)

Illinois Office of the State Fire Marshal (OSFM)

Local emergency planning committee (LEPC)

Local police and fire departments

TO REPORT AN EMERGENCY800-782-7860 (in-state)217-782-7860NATIONAL RESPONSE CENTER (NRC)800-424-8802

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Illinois follows the federal definitions for reportable releases, as explained in the national section RELEASE NOTIFICATION. In the event of a release, state and local authorities must be notified.

Administration and enforcement. The IEMA administers and enforces the state's release notification rules. Some of the first responder authority has been delegated to LEPCs and local fire departments. The IEMA has the authority to investigate alleged violations and refer violations for prosecution to state IEPA authorities.

State Requirements


35 IAC 750.410

In the event of a release or substantial threat of a release of a reportable quantity of a hazardous substance, the owner or operator is required to call the IEMA at the earliest practicable ...

Read more about Release Notification

Illinois Release Notification Resources

Type Title
Checklists CERCLA Release Reporting Checklist
Forms Spill/Release Report Form
See all Release Notification Resources