Oregon Leak Detection regulations & environmental compliance analysis

Oregon Leak Detection: What you need to know

Governing Law and Regulations

Requirements for chemical mining: Oregon Administrative Rules (OAR) 340-043-0000

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Prevention strategies for oil facilities: OAR 340-141-0160

Design criteria for solid waste landfills: OAR 340-094-0060

Concentrated animal feeding operation (CAFO) liquid manure irrigation systems: OAR 340-051-0070

Regulatory Agencies

Oregon Department of Environmental Quality (DEQ) Land Division

DEQ Water Quality Division

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

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Oregon follows the federal leak detection rules for UST containers, hazardous waste storage tanks, and surface impoundments. In the areas of chemical mining, oil facilities, and landfills, Oregon follows federal law in most respects, but requires some additional requirements. See the national section LEAK DETECTION for more information. For state leak response and reporting requirements, refer to the state section RELEASE NOTIFICATION.

Administration and enforcement. EPA Region 10 and DEQ enforce the leak detection rules in Oregon.

State Requirements


OAR 340-043-0000

Oregon requires that mining operations that use cyanide or other toxic chemicals to extract metals or metal-bearing minerals from the ore and that produce wastes or wastewaters containing toxic materials use liner, leak detection, and leak collection systems for heap leach pads, solution ponds, and tailings facilities to ensure there are no leaks of toxic materials into the environment.


OAR 340-141-0160

Oil facilities are required to develop an oil spill prevention strategy. ...

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Oregon Leak Detection Resources

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