Oregon Underground Injection Wells regulations & environmental compliance analysis

Oregon Underground Injection Wells: What you need to know

Governing Law and Regulations

State policy regarding underground injection wells: Oregon Administrative Rules (OAR) 340-044-0010 to 340-044-0055

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On-site sewage disposal systems: OAR 340-071-0100 to 340-071-0600

Construction standards for on-site sewage systems: OAR 340-073-0025 to 340-073-0085

Underground injection control (UIC) program: OAR 340-044-0010

UIC exclusions: OAR 340-044-0013

Prohibitions: OAR 340-044-0015

Registration and inventories: OAR 340-044-0020

Fees: House Bill (HB) 2118

Authorization-by-rule: OAR 340-044-0018

Permit authorization: OAR 340-044-0035

Decommission and conversion: OAR 340-044-0040

Sewage drain hole repairs: OAR 340-044-0017

Hazardous waste: OAR 340-104-0001

Sewage disposal: Oregon Revised Statutes (ORS) 454.695

Bonding: ORS 454.705

Regulatory Agencies

Oregon Department of Environmental Quality (DEQ) Water Quality Division

Oregon Water Resources Department

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 operates its underground injection control (UIC) program through authorization from the U.S. Environmental Protection Agency (EPA). The Oregon Department of Environmental Quality (DEQ) has made it official policy to restrict the further construction and use of cesspools and sewage drain holes as a means of disposing of inadequately treated sewage or wastes in the state, particularly in the lava terrain of central Oregon. Most state wells are regulated via DEQ's Water Pollution Control Facilities (WPCF) permit program. For a discussion of the six classes of underground injection wells, see the national section UNDERGROUND INJECTION WELLS


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