Oklahoma Release Notification regulations & environmental compliance analysis

Oklahoma Release Notification: What you need to know

Governing Law and Regulations

Air emissions: Oklahoma Administrative Code (OAC) 252:100-9-7

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Hazardous substances: OAC 252:20-1-1 to 252:20-1-7

Hazardous waste: OAC 252:205-13-1

Underground storage tank (UST) releases: OAC 165:25-3-7.1

Regulatory Agencies

Oklahoma Department of Environmental Quality (DEQ) Oklahoma Hazardous Materials Emergency Response Commission (OHMERC)

Oklahoma Corporation Commission (OCC) Oil and Gas Conservation Division Field Operations Department

U.S. Environmental Protection Agency (EPA) Region 6

Local emergency planning committees (LEPC) (one in each Oklahoma county)

Local fire and police departments

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Oklahoma follows the federal rules for hazardous substance release reporting and hazardous waste transporters. The state has stricter requirements for reporting excess air emissions.

Administration and enforcement. The DEQ and LEPCs, along with local fire and police departments, enforce Oklahoma's release notification rules. The OCC administers and enforces underground storage tank (UST) and aboveground storage tank (AST) release reporting requirements in Oklahoma.

State Requirements


OAC 252:100-9-7

Any release that results in excess emissions must be reported to the DEQ as soon as the owner or operator has knowledge of such emissions, but no later than 4:30 p.m. the next working day.

No later than 30 calendar days after the start of any excess emissions event, the owner or operator of an air contaminant source from which excess emissions have occurred must submit a report for each event that describes the extent of the event ...

Read more about Release Notification

Oklahoma Release Notification Resources

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