Oregon Underground Storage Tanks regulations & environmental compliance analysis

Oregon Underground Storage Tanks: What you need to know

Governing Law and Regulations

Underground storage tanks (USTs): Oregon Administrative Rules (OAR) 340-150-0001 to 340-151-0025

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General requirements: OAR 340-150-0135

General permit: OAR 340-150-0020 to 340-150-0168

Temporary permits: OAR 340-150-0021

Modification: OAR 340-150-0052

Temporary closure: OAR 340-150-0167

Permanent closure or change in service: OAR 340-150-0168

Fees: OAR 340-150-0110

Delivery prohibition: OAR 340-150-0150 and OAR 340-150-0152

Spill and overfill prevention: OAR 340-150-0310

Release detection: OAR 340-150-0400 to 340-150-0470

Operation and maintenance: OAR 340-150-0310 to 340-150-0350

Release reporting: OAR 340-150-0500 and OAR 340-150-0510

Operator training: OAR 340-150-0210

Professional licensing: OAR 340-160-005 to 340-163-0150

Enforcement: OAR 340-150-0250

Financial responsibility: OAR 340-151-0001 to 340-151-0025

Petroleum cleanup fund: OAR 340-174-0060

Regulatory Agencies

Oregon Department of Environmental Quality (DEQ) Land Quality Division UST Program

U.S. Environmental Protection Agency (EPA) Region 10

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. The U.S. Environmental Protection Agency (EPA) has approved Oregon's underground storage tank (UST) program for petroleum and hazardous substances under the Resource Conservation and Recovery Act (RCRA). The Department of Environmental Quality (DEQ) administers the state program in lieu of the federal UST program. Oregon generally follows the federal UST regulations as revised in 2015, but the state program differs from the federal program in that a permit is required for each regulated UST. Oregon also requires secondary containment for all new and replacement tanks and piping and has delivery ...

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