ORS 468.020: Rules and standards.

Edition: 2025 EditionEffective: 2026-01-01Last verified: 2026-09-07

(1) In accordance with the applicable provisions of ORS chapter 183, the Environmental Quality Commission shall adopt such rules and standards as it considers necessary and proper in performing the functions vested by law in the commission. (2) Except as provided in ORS 183.335 (5), the commission shall cause a public hearing to be held on any proposed rule or standard prior to its adoption. The hearing may be before the commission, any designated member thereof or any person designated by and acting for the commission. [Formerly 449.173; 1977 c.38 §1]

Administrative rules citing this section

OAR 340-011-0009: Rules of Practice and Procedure: Incorporation of Attorney General’s Uniform and Model Rules — authority
OAR 340-011-0029: Rulemaking: Policy on Disclosure of the Relationship Between Proposed Rules and Federal Requirements — authority
OAR 340-011-0573: Contested Cases: Proposed Orders in Contested Cases — authority
OAR 340-012-0030: Definitions — authority
OAR 340-012-0038: Warning Letters, Pre-Enforcement Notices, and Notices of Permit Violation — authority
OAR 340-012-0045: Civil Penalty Determination Procedure — authority
OAR 340-012-0053: Classification of Violations that Apply to all Programs — authority
OAR 340-012-0054: Air Quality Classification of Violations — implements
OAR 340-012-0054: Air Quality Classification of Violations — authority
OAR 340-012-0055: Water Quality Classification of Violations — authority
OAR 340-012-0064: Fuel Tank Seismic Stability Enforcement Classification of Violations — authority
OAR 340-012-0130: Determination of Violation Magnitude — authority
OAR 340-012-0140: Determination of Base Penalty — authority
OAR 340-012-0145: Determination of Aggravating or Mitigating Factors — authority
OAR 340-012-0150: Determination of Economic Benefit — authority
OAR 340-012-0160: DEQ Discretion Regarding Penalty Assessment — authority
OAR 340-012-0162: Inability to Pay the Penalty — authority
OAR 340-013-0005: Statement of Policy — authority
OAR 340-013-0010: Definitions — authority
OAR 340-013-0015: Emission Permit Requirements — authority
OAR 340-013-0020: Environmental Standards — authority
OAR 340-013-0025: Penalties — authority
OAR 340-013-0030: National Emergency — authority
OAR 340-013-0035: New Wilderness Areas — authority
OAR 340-014-0100: Purpose of Green Permits — authority
OAR 340-014-0105: Definitions — authority
OAR 340-014-0110: Criteria for Approval of a Custom Waiver Permit — authority
OAR 340-014-0115: Criteria for Approval of a GEMS Participant Permit — authority
OAR 340-014-0120: Criteria for Approval of a GEMS Achiever Permit — authority
OAR 340-014-0125: Criteria for Approval of a GEMS Leader Permit — authority
OAR 340-014-0130: Technical Assistance and Recognition Program for GEMS Permits — authority
OAR 340-014-0135: Waivers or Incentives — authority
OAR 340-014-0140: Conditions and Limitations of Custom Waiver Permits or GEMS Permits — authority
OAR 340-014-0145: Procedures for Issuing Custom Waiver Permits or GEMS Permits — authority
OAR 340-014-0150: Procedures for Renewing Custom Waiver Permits or GEMS Permits — authority
OAR 340-014-0155: Procedures for Modifying Custom Waiver Permits or GEMS Permits — authority
OAR 340-014-0160: Termination of Green Permits — authority
OAR 340-014-0165: Cost Recovery — authority
OAR 340-016-0007: Facilities certified under the 1999 Edition — authority
OAR 340-016-0009: Certification of wood chippers — authority
OAR 340-016-0055: Application Procedures — authority
OAR 340-016-0088: Subdelegation of Certificate Administration — authority
OAR 340-017-0030: Determination of Percentage of Certified Investment Costs Allocable to Collection, Transportation or Processing of Reclaimed Plastic or Manufacturing a Reclaimed Plastic Product — authority
OAR 340-018-0000: Purpose — authority
OAR 340-018-0010: Policy — authority
OAR 340-018-0020: Definitions — authority
OAR 340-018-0030: Applicability — authority
OAR 340-018-0040: Compliance with Statewide Planning Goals — authority
OAR 340-018-0050: Compatibility with Acknowledged Comprehensive Plans — authority
OAR 340-018-0060: Land Use Dispute Resolution — authority
OAR 340-018-0070: Statewide Goal Compliance and Acknowledged Plan Compatibility for New or Amended Rules and Programs Significantly Affecting Land Use — authority
OAR 340-018-0080: Compliance with DLCD Permit Compliance and Compatibility Rule — authority
OAR 340-018-0090: Coordination with Affected State and Federal Agencies and Special Districts — authority
OAR 340-018-0200: Cooperation With and Technical Assistance to Local Government — authority
OAR 340-039-0001: Purpose and Policy — authority
OAR 340-039-0003: Water Quality Trading Objectives — authority
OAR 340-039-0005: Definitions — authority
OAR 340-039-0015: Eligibility — authority
OAR 340-039-0017: Regulatory Mechanisms for Water Quality Trading — authority
OAR 340-039-0020: Trading Frameworks — authority
OAR 340-039-0025: Requirements of a Water Quality Trading Plan — authority
OAR 340-039-0030: Requirements for Trading Baselines — authority
OAR 340-039-0035: Requirements for Trading Areas — authority
OAR 340-039-0040: Requirements for Credits — authority
OAR 340-039-0043: Requirements for Trading Ratios — authority
OAR 340-040-0020: General Policies — implements
OAR 340-040-0080: Numerical Groundwater Quality Reference Levels and Guidance Levels — implements
OAR 340-040-0100: Method and Criteria for Establishment of Maximum Measurable Levels of Contaminants in Groundwater: Statement of Purpose — implements
OAR 340-041-0002: Definitions — authority
OAR 340-041-0004: Antidegradation — authority
OAR 340-041-0007: Statewide Narrative Criteria — authority
OAR 340-041-0009: Bacteria — authority
OAR 340-041-0011: Biocriteria — authority
OAR 340-041-0016: Dissolved Oxygen — authority
OAR 340-041-0019: Nuisance Phytoplankton Growth — authority
OAR 340-041-0021: pH — authority
OAR 340-041-0028: Temperature — authority
OAR 340-041-0031: Total Dissolved Gas — authority
OAR 340-041-0032: Total Dissolved Solids (TDS) — authority
OAR 340-041-0033: Toxic Substances — authority
OAR 340-041-0036: Turbidity — authority
OAR 340-041-0046: Water Quality Limited Waters — authority
OAR 340-041-0053: Mixing Zones — authority
OAR 340-041-0057: Implementation at Domestic Wastewater Treatment Works — authority
OAR 340-041-0059: Variances — authority
OAR 340-041-0061: Other Implementation of Water Quality Criteria — authority
OAR 340-041-0101: Basin-Specific Criteria (Main Stem Columbia River): Beneficial Uses to Be Protected in the Main Stem Columbia River — authority
OAR 340-041-0103: Basin-Specific Criteria (Main Stem Columbia River): Approved TMDLs in the Basin — authority
OAR 340-041-0104: Basin-Specific Criteria (Main Stem Columbia River): Water Quality Standards and Policies Specific to the Main Stem Columbia River — authority
OAR 340-041-0121: Basin-Specific Criteria (Main Stem Snake River): Beneficial Uses to Be Protected in the Main Stem Snake River — authority
OAR 340-041-0122: Basin-Specific Criteria (Main Stem Snake River): Approved TMDLs in the Basin — authority
OAR 340-041-0124: Basin-Specific Criteria (Main Stem Snake River): Water Quality Standards and Policies Specific to the Main Stem Snake River — authority
OAR 340-041-0130: Basin-Specific Criteria (Deschutes): Beneficial Uses to Be Protected in the Deschutes Basin — authority
OAR 340-041-0133: Basin-Specific Criteria (Deschutes): Approved TMDLs in the Basin: — authority
OAR 340-041-0135: Basin-Specific Criteria (Deschutes): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0140: Basin-Specific Criteria (Goose and Summer Lakes): Beneficial Uses to be Protected in Goose and Summer Lake Basins — authority
OAR 340-041-0143: Basin-Specific Criteria (Goose and Summer Lakes): Approved TMDLs in the Basin: — authority
OAR 340-041-0145: Basin-Specific Criteria (Goose and Summer Lakes): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0151: Basin-Specific Criteria (Grande Ronde): Beneficial Uses to Be Protected in the Grande Ronde Basin — authority
OAR 340-041-0154: Basin-Specific Criteria (Grande Ronde): Approved TMDLs in the Basin: — authority
OAR 340-041-0156: Basin-Specific Criteria (Grande Ronde): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0160: Basin-Specific Criteria (Hood): Beneficial Uses to Be Protected in the Hood Basin — authority
OAR 340-041-0164: Basin-Specific Criteria (Hood): Approved TMDLs in the Basin: — authority
OAR 340-041-0165: Basin-Specific Criteria (Hood): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0170: Basin-Specific Criteria (John Day): Beneficial Uses to Be Protected in the John Day Basin — authority
OAR 340-041-0174: Basin-Specific Criteria (John Day): Approved TMDLs in the Basin: — authority
OAR 340-041-0175: Basin-Specific Criteria (John Day): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0180: Basin-Specific Criteria (Klamath): Beneficial Uses to Be Protected in the Klamath Basin — authority
OAR 340-041-0184: Basin-Specific Criteria (Klamath): Approved TMDLs in the Basin: — authority
OAR 340-041-0185: Basin-Specific Criteria (Klamath): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0190: Basin-Specific Criteria (Malheur Lake): Beneficial Uses to Be Protected in the Malheur Lake Basin — authority
OAR 340-041-0194: Basin-Specific Criteria (Malheur Lake): Approved TMDLs in the Basin: — authority
OAR 340-041-0195: Basin-Specific Criteria (Malheur Lake): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0201: Basin-Specific Criteria (Malheur River): Beneficial Uses to Be Protected in the Malheur River Basin — authority
OAR 340-041-0204: Basin-Specific Criteria (Malheur River): Approved TMDLs in the Basin: — authority
OAR 340-041-0207: Basin-Specific Criteria (Malheur River): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0220: Basin-Specific Criteria (Mid Coast Basin): Beneficial Uses to Be Protected in the Mid Coast Basin — authority
OAR 340-041-0224: Basin-Specific Criteria (Mid Coast Basin): Approved TMDLs in the Basin: — authority
OAR 340-041-0225: Basin-Specific Criteria (Mid Coast Basin): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0230: Basin-Specific Criteria (North Coast): Beneficial Uses to Be Protected in the North Coast Basin — authority
OAR 340-041-0234: Basin-Specific Criteria (North Coast): Approved TMDLs in the Basin: — authority
OAR 340-041-0235: Basin-Specific Criteria (North Coast): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0250: Basin-Specific Criteria (Owyhee): Beneficial Uses to Be Protected in the Owyhee Basin — authority
OAR 340-041-0254: Basin-Specific Criteria (Owyhee): Approved TMDLs in the Basin: — authority
OAR 340-041-0256: Basin-Specific Criteria (Owyhee): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0260: Basin-Specific Criteria (Powder/Burnt): Beneficial Uses to Be Protected in the Powder/Burnt Basins — authority
OAR 340-041-0264: Basin-Specific Criteria (Powder/Burnt): Approved TMDLs in the Basin: — authority
OAR 340-041-0265: Basin-Specific Criteria (Powder/Burnt): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0271: Basin-Specific Criteria (Rogue): Beneficial Uses to Be Protected in the Rogue Basin — authority
OAR 340-041-0274: Basin-Specific Criteria (Rogue): Approved TMDLs in the Basin: — authority
OAR 340-041-0275: Basin-Specific Criteria (Rogue): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0286: Basin-Specific Criteria (Sandy Basin): Beneficial Uses to Be Protected in the Sandy Basin — authority
OAR 340-041-0289: Basin-Specific Criteria (Sandy Basin): Approved TMDLs in the Basin: — authority
OAR 340-041-0290: Basin-Specific Criteria (Sandy Basin): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0300: Basin-Specific Criteria (South Coast): Beneficial Uses to Be Protected in the South Coast Basin — authority
OAR 340-041-0304: Basin-Specific Criteria (South Coast): Approved TMDLs in the Basin — authority
OAR 340-041-0305: Water Quality Standards and Policies for South Coast Basin — authority
OAR 340-041-0310: Basin-Specific Criteria (Umatilla): Beneficial Uses to Be Protected in the Umatilla Basin — authority
OAR 340-041-0314: Basin-Specific Criteria (Umatilla): Approved TMDLs in the Basin: — authority
OAR 340-041-0315: Basin-Specific Criteria (Umatilla): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0320: Basin-Specific Criteria (Umpqua Basin): Beneficial Uses to Be Protected in the Umpqua Basin — authority
OAR 340-041-0324: Basin-Specific Criteria (Umpqua Basin): Approved TMDLs in the Basin: — authority
OAR 340-041-0326: Basin-Specific Criteria (Umpqua Basin): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0330: Basin-Specific Criteria (Walla Walla): Beneficial Uses to Be Protected in the Walla Walla Basin — authority
OAR 340-041-0334: Basin-Specific Criteria (Walla Walla): Approved TMDLs in the Basin: — authority
OAR 340-041-0336: Basin-Specific Criteria (Walla Walla): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0340: Basin-Specific Criteria (Willamette): Beneficial Uses to Be Protected in the Willamette Basin — authority
OAR 340-041-0344: Basin-Specific Criteria (Willamette): Approved TMDLs in the Basin: — authority
OAR 340-041-0345: Basin-Specific Criteria (Willamette): Water Quality Standards and Policies for this Basin — authority
OAR 340-041-0350: The Three Basin Rule: Clackamas, McKenzie (above RM 15) & the North Santiam — authority
OAR 340-041-8033: Division 41 Tables and Figures — authority
OAR 340-042-0025: Policy, Purpose and Effect — authority
OAR 340-042-0030: Definitions — authority
OAR 340-042-0040: Establishing Total Maximum Daily Loads (TMDLs) — authority
OAR 340-042-0050: Public Participation — authority
OAR 340-042-0060: Issuing a Total Maximum Daily Load — authority
OAR 340-042-0070: Requesting Reconsideration or Appealing a Total Maximum Daily Load — authority
OAR 340-042-0080: Implementing a Total Maximum Daily Load — authority
OAR 340-042-0090: Total Maximum Daily Loads and Water Quality Management Plans — authority
OAR 340-043-0000: Purpose and Policies — authority
OAR 340-043-0010: Definitions — authority
OAR 340-043-0020: Permit Required — authority
OAR 340-043-0025: Permit Conditions on Assumption of Liability — implements
OAR 340-043-0025: Permit Conditions on Assumption of Liability — authority
OAR 340-043-0030: Permit Application — authority
OAR 340-043-0040: Plan and Specifications — authority
OAR 340-043-0050: Design, Construction, Operation and Closure Requirements — authority
OAR 340-043-0060: Exemption from State Permit for Hazardous Waste Treatment or Disposal Facilities — authority
OAR 340-043-0070: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Purpose — implements
OAR 340-043-0070: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Purpose — authority
OAR 340-043-0080: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: General Provisions — implements
OAR 340-043-0080: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: General Provisions — authority
OAR 340-043-0090: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Control of Surface Water Run-On and Run-Off — implements
OAR 340-043-0090: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Control of Surface Water Run-On and Run-Off — authority
OAR 340-043-0100: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Physical Stability of Retaining Structures and Emplaced Mine Materials — implements
OAR 340-043-0100: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Physical Stability of Retaining Structures and Emplaced Mine Materials — authority
OAR 340-043-0110: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Protection of Wildlife — implements
OAR 340-043-0110: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Protection of Wildlife — authority
OAR 340-043-0120: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Guidelines for Design, Construction, and Operation of Heap-Leach Facilities — implements
OAR 340-043-0120: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Guidelines for Design, Construction, and Operation of Heap-Leach Facilities — authority
OAR 340-043-0130: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Guidelines for Disposal of Mill Tailings — implements
OAR 340-043-0130: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Guidelines for Disposal of Mill Tailings — authority
OAR 340-043-0140: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Guidelines for Disposal or Storage of Wasterock, Low-Grade Ore and Other Mined Materials — implements
OAR 340-043-0140: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Guidelines for Disposal or Storage of Wasterock, Low-Grade Ore and Other Mined Materials — authority
OAR 340-043-0150: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Guidelines for Heap-Leach and Tailings Disposal Facility Closure — implements
OAR 340-043-0150: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Guidelines for Heap-Leach and Tailings Disposal Facility Closure — authority
OAR 340-043-0160: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Post-Closure Monitoring — implements
OAR 340-043-0160: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Post-Closure Monitoring — authority
OAR 340-043-0170: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Land Disposal of Wastewater — implements
OAR 340-043-0170: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Land Disposal of Wastewater — authority
OAR 340-043-0180: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Guidelines for Open-Pit Closure — implements
OAR 340-043-0180: Guidelines for the Design, Construction, Operation and Closure of Chemical Mining Operations: Guidelines for Open-Pit Closure — authority
OAR 340-045-0015: Permit Required — authority
OAR 340-045-0030: Application for NPDES or WPCF Permit — authority
OAR 340-045-0033: General Permits — authority
OAR 340-045-0040: Renewal of NPDES or WPCF Permits — authority
OAR 340-045-0062: Mutual Agreement and Order — authority
OAR 340-045-0065: Other Requirements — authority
OAR 340-045-0075: Permit Fee Schedule — authority
OAR 340-045-0080: Effect of a Permit: Purpose — implements

This rule cites

ORS chapter 183 — target_record_not_published
ORS 183.335 — resolved

Cited by

Official source: https://www.oregonlegislature.gov/bills_laws/ors/ors468.html