| Category | Docket Description | Status |
|---|---|---|
| Air QualityIDAPA 58.01.01 | Air Quality: Docket No. 58-0101-2603 Rulemaking initiated to update federal regulations incorporated by reference. | PUBLIC COMMENT OPPORTUNITY | PROPOSED RULE Proposed rule published in the September 2, 2026 Idaho Administrative Bulletin. Comment deadline October 2, 2026. |
| Hazardous Waste IDAPA 58.01.05 | Hazardous Waste: Docket No. 58-0105-2601 Rulemaking initiated to update federal regulations incorporated by reference. | PUBLIC COMMENT OPPORTUNITY | PROPOSED RULE Proposed rule published in the August 5, 2026 Idaho Administrative Bulletin. Comment deadline August 26, 2026. |
| Solid Waste IDAPA 58.01.06 | Solid Waste: Docket No. 58-0106-2601 Rulemaking initiated to establish fees as required by H555. | PUBLIC COMMENT OPPORTUNITY | NEGOTIATED RULE DRAFT Negotiated rulemaking meeting August 4, 2026. Rule Draft 2 comment deadline August 11, 2026. |
| Water Quality IDAPA 58.01.02 | Water Quality: Docket No. 58-0102-2602 Rulemaking initiated to revise the cold water aquatic life criteria for ammonia and to remove the site specific criteria for the Spokane River. | PUBLIC COMMENT OPPORTUNITY | NEGOTIATED RULE DRAFT Negotiated rulemaking meeting August 10, 2026. Rule Draft 1 comment deadline August 17, 2026. |
| Groundwater Quality 58.01.11 | Ground Water: Docket No. 58-0111-2601 Rulemaking initiated to align with federal national primary drinking water standards. | RULEMAKING VACATED |
| Drinking Water IDAPA 58.01.08 | Drinking Water: Docket No. 58-0108-2601 Rulemaking initiated to update fees for public drinking water systems and revise invoice delivery and payment methods. | PUBLIC COMMENT OPPORTUNITY | PROPOSED RULE Proposed rule published in the September 2, 2026 Idaho Administrative Bulletin. Public comment period September 2 – September 23, 2026. |
| Air Quality IDAPA 58.01.01 | Air Quality: Docket No. 58-0101-2602 Rulemaking initiated to revise air permitting fee structure. | PUBLIC COMMENT OPPORTUNITY | PROPOSED RULE Proposed rule published in the September 2, 2026 Idaho Administrative Bulletin. Public comment period September 2 – October 2, 2026. |
| Air Quality IDAPA 58.01.01 | Air Quality: Docket No. 58-0101-2601 Rulemaking initiated to develop an air quality general permit rule. | PUBLIC COMMENT OPPORTUNITY | PROPOSED RULE Proposed rule published in September 2, 2026 Idaho Administrative Bulletin. Public comment period September 2 – October 2, 2026. |
| Water Quality IDAPA 58.01.02 | Water Quality: Docket No. 58-0102-2601 Rulemaking initiated to revise three site-specific aquatic life criteria for selenium. | PUBLIC COMMENT OPPORTUNITY | PROPOSED RULE Proposed rule published in August 5, 2026 Idaho Administrative Bulletin. Public comment period August 5 – September 4, 2026. |
| Air Quality IDAPA 58.01.01 | Air Quality: Docket No. 58-0101-2401 | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective July 1, 2025. |
| Air Quality IDAPA 58.01.01 | Air Quality: Docket No. 58-0101-2301 Rulemaking initiated to update federal regulations incorporated by reference. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective July 1, 2024. |
| Air Quality IDAPA 58.01.01 | Air Quality: Docket No. 58-0101-2101 Rulemaking initiated in compliance with Executive Order No. 2020-01, Zero-Based Regulation (EO 2020-01), issued by Governor Little on January 16, 2020, and Title V fee rule revisions negotiated under Docket No. 58-0101-1902. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective March 28, 2023. |
| Air Quality IDAPA 58.01.01 | Air Quality: Docket No. 58-0101-2501 Rulemaking initiated to update federal regulations incorporated by reference. | PUBLIC COMMENT PERIOD | CLOSED Pending rule adopted by the Board on November 13, 2025. Effective on July 1, 2026, unless otherwise specified in the concurrent resolution. |
| Contested Cases IDAPA 58.01.23 | Contested Cases: Docket No. 58-0123-2401 Update IDAPA 58.01.23, Contested Case Rules and Rules for Protection and Disclosure of Records (DEQ rules), for consistency with IDAPA 62.01.01, Idaho Rules of Administrative Procedure, recently adopted by the Office of Administrative Hearings. | PUBLIC COMMENT OPPORTUNITY | CLOSED Temporary rule effective July 1, 2024.Final rule effective July 1, 2025. |
| Disposal of Radioactive Materials IDAPA 58.01.10 | Disposal of Radioactive Materials: Docket No. 58-0110-2301 Rulemaking initiated in compliance with Executive Order No. 2020-01, Zero-Based Regulation (EO 2020-01), issued by Governor Little on January 16, 2020. This rulemaking also includes review of the list of federal regulations incorporated by reference and adjustments based on that review. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective July 1, 2025. |
| Drinking Water IDAPA 58.01.08 | Drinking Water: Docket No. 58-0108-2502 Rulemaking initiated to revert the 80 psi maximum distribution system pressure limit to its previous level. | PUBLIC COMMENT PERIOD | CLOSED Pending rule adopted by the Board on November 13, 2025. Effective on July 1, 2026, unless otherwise specified in the concurrent resolution. |
| Drinking Water IDAPA 58.01.08 | Drinking Water: Docket No. 58-0108-2501 Rulemaking initiated to update federal regulations incorporated by reference. | PUBLIC COMMENT PERIOD | CLOSED Pending rule adopted by the Board on November 13, 2025. Effective on July 1, 2026, unless otherwise specified in the concurrent resolution. |
| Drinking Water IDAPA 58.01.08 | Drinking Water: Docket No. 58-0108-2401 Rulemaking initiated to incorporate by reference the National Primary Drinking Water Regulation for per- and polyfluoroalkyl substances (PFAS). | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective July 1, 2025. |
| Drinking Water IDAPA 58.01.08 | Drinking Water: Docket No. 58-0108-2301 Rulemaking initiated in compliance with Executive Order No. 2020-01, Zero-Based Regulation (EO 2020-01), issued by Governor Little on January 16, 2020. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective July 1, 2024. |
| Drinking Water and Wastewater Grants IDAPA 58.01.22 | Drinking Water and Wastewater Grants: Docket No. 58-0122-2401 Rulemaking initiated in compliance with Executive Order No. 2020-01, Zero-Based Regulation (EO 2020-01), issued by Governor Little on January 16, 2020. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective July 1, 2025. |
| Drinking Water and Wastewater Loans IDAPA 58.01.12 | Drinking Water and Wastewater Loans: Docket No. 58-0112-2501 Rulemaking initiated in compliance with Executive Order No. 2020-01, Zero-Based Regulation (EO 2020-01), issued by Governor Little on January 16, 2020. | PUBLIC COMMENT PERIOD | CLOSED Pending rule adopted by the Board on November 13, 2025. Effective on July 1, 2026, unless otherwise specified in the concurrent resolution. |
| Environmental Fees IDAPA 58.01.14 | Environmental Fees: Docket No. 58-0114-2401 Rulemaking initiated in compliance with Executive Order No. 2020-01, Zero-Based Regulation (EO 2020-01), issued by Governor Little on January 16, 2020. This rulemaking also proposes the consolidation of environmental fees into one chapter. Phase one is consolidation of fees applicable to wastewater treatment facilities. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective July 1, 2025. |
| Groundwater Quality IDAPA 58.01.11 | Groundwater Quality: Docket No. 58-0111-2501 Rulemaking initiated in compliance with Executive Order No. 2020-01, Zero-Based Regulation (EO 2020-01), issued by Governor Little on January 16, 2020. | PUBLIC COMMENT PERIOD | CLOSED Pending rule adopted by the Board on November 13, 2025. Effective on July 1, 2026, unless otherwise specified in the concurrent resolution. |
| Hazardous Waste IDAPA 58.01.05 | Hazardous Waste: Docket No. 58-0105-2401 Rulemaking initiated to update federal regulations incorporated by reference. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective July 1, 2025. |
| Hazardous Waste IDAPA 58.01.05 | Hazardous Waste: Docket No. 58-0105-2501 Rulemaking initiated to update federal regulations incorporated by reference. | PUBLIC COMMENT PERIOD | CLOSED Pending rule adopted by the Board on November 13, 2025. Effective on July 1, 2026, unless otherwise specified in the concurrent resolution. |
| Individual/Subsurface Sewage Disposal IDAPA 58.01.03 | Individual/Subsurface Sewage Disposal: Docket No. 58-0103-2301 Rulemaking initiated in compliance with Executive Order No. 2020-01, Zero-Based Regulation (EO 2020-01), issued by Governor Little on January 16, 2020. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective July 1, 2025. |
| IPDES IDAPA 58.01.25 | IPDES: Docket No. 58-0125-2301 Rulemaking initiated in compliance with Executive Order No. 2020-01, Zero-Based Regulation (EO 2020-01), issued by Governor Little on January 16, 2020. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective July 1, 2024. |
| Ore Processing by Cyanidation IDAPA 58.01.13 | Ore Processing by Cyanidation: Docket No. 58-0113-2501 Updates rule to bring into compliance with Section 39-118A, Idaho Code under Senate Bill 1170. Removes rule text that is now in statute and revises the remaining rule for consistency. | PUBLIC COMMENT PERIOD | CLOSED Pending rule adopted by the Board on November 13, 2025. Effective on July 1, 2026, unless otherwise specified in the concurrent resolution. |
| Ore Processing by Cyanidation IDAPA 58.01.13 | Ore Processing by Cyanidation: Docket No. 58-0113-2502 Provides opportunity for stakeholder input on DEQ’s cyanidation rule based on revisions made to Section 39-118A, Idaho Code per 2025 Senate Bill 1170. | PUBLIC COMMENT PERIOD | PROPOSED RULE Proposed rule published in the September 2, 2026 Idaho Administrative Bulletin. Public comment period September 2 – September 23, 2026. |
| Petroleum Release Correction Action IDAPA.58.01.24 | Petroleum Release Corrective Action: Docket No. 58-0124-2401 Rulemaking initiated in compliance with Executive Order No. 2020-01, Zero-Based Regulation (EO 2020-01), issued by Governor Little on January 16, 2020. This rulemaking also moves Sections 851 and 852 from IDAPA 58.01.02, Water Quality Standards, under companion Docket No. 58-0102-2401, to IDAPA 58.01.24. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective July 1, 2025. |
| Solid Waste Management IDAPA 58.01.06 | Solid Waste Management: Docket No. 58-0106-2501 Rulemaking initiated in compliance with Executive Order No. 2020-01, Zero-Based Regulation (EO 2020-01), issued by Governor Little on January 16, 2020. | PUBLIC COMMENT PERIOD | CLOSED Pending rule adopted by the Board on November 13, 2025. Effective on July 1, 2026, unless otherwise specified in the concurrent resolution. |
| Underground Storage Tanks IDAPA 58.01.07 | Underground Storage Tanks: Docket No. 58-0107-2301 Rulemaking initiated in compliance with Executive Order No. 2020-01, Zero-Based Regulation (EO 2020-01), issued by Governor Little on January 16, 2020. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective July 1, 2024. |
| Wastewater IDAPA 58.01.16 | Wastewater: Docket No. 58-0116-2501 | PUBLIC COMMENT PERIOD | CLOSED Pending rule adopted by the Board on November 13, 2025. Effective on July 1, 2026, unless otherwise specified in the concurrent resolution. |
| Water Quality IDAPA 58.01.02 | Water Quality: Docket No. 58-0102-1803 Rulemaking initiated to allow de minimis additions of heat in waters that exceed applicable temperature criteria. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule package submitted to EPA for approval April 15, 2019.EPA Action Letter and Technical Support Document received December 19, 2024 |
| Water Quality IDAPA 58.01.02 | Water Quality: Docket No. 58-0102-2401 Rulemaking initiated to remove Sections 851, Petroleum Release Reporting, Investigation, and Confirmation, and 852, Petroleum Release Response and Corrective Action, from IDAPA 58.01.02, Water Quality Standards, and move to IDAPA 58.01.24, Standards and Procedures for Application of Risk Based Corrective Action at Petroleum Release Sites. This is a companion rulemaking to Docket No. 58-0124-2401. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule effective July 1, 2025. |
| Water Quality IDAPA 58.01.02 | Water Quality: Docket No. 58-0102-2201 This rulemaking was initiated to update Idaho’s human health criteria for arsenic. Negotiated under Docket No. 58-0102-1801 and adopted under Docket No. 58-0102-2201. | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule package submitted to EPA for approval on July 6, 2023.EPA Action letter and Technical Support Document received on September 29, 2023. |
| Water Quality IDAPA 58.01.02 | Water Quality: Docket No. 58-0102-1801 This rulemaking was initiated to update Idaho's human health criteria for arsenic. Negotiated under Docket No. 58-0102-1801 and proposed under Docket No. 58-0102-2201 . | PUBLIC COMMENT OPPORTUNITY | CLOSED Proposed rule published in the March 2, 2022 Idaho Administrative Bulletin under Docket No. 58-0102-2201. Comment deadline April 1, 2022. |
| Water Quality IDAPA 58.01.02 | Water Quality: Docket No. 58-0102-1802 Rulemaking to adopt aquatic life criteria for acrolein, carbaryl, and diazinon, and to clarify description of recreational use | PUBLIC COMMENT OPPORTUNITY | CLOSED Final rule package submitted to EPA for approval on January 20, 2022. |
| Water Quality Standards IDAPA 58.01.02 | Water Quality Standards: Docket No. 58-0102-2501 Rulemaking initiated to make administrative revisions. | PUBLIC COMMENT PERIOD | CLOSED Pending rule adopted by the Board on November 13, 2025. Effective on July 1, 2026, unless otherwise specified in the concurrent resolution. |
Official Government Website
Idaho Department
of Environmental Quality
of Environmental Quality
Updated at 3:50 p.m. MT on July 24, 2026: DEQ issued an Air Quality Advisory for 12 Idaho counties: Ada, Boundary, Bonner, Canyon, Clearwater, Gem, Idaho, Latah, Lewis, Nez Perce, Payette, and Washington Counties, where all burning is prohibited. Take steps to protect your health and check DEQ’s air quality advisories map for future burn decisions.
Learn more
Close