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Announcement Icon 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

Administrative Rules

Administrative

Air Pollution

Drinking Water

Grants and Loans

Groundwater

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Surface Water

Waste Management and Remediation

Wastewater

Archived Rules

Archived DEQ administrative rules dating back to 1996 are maintained on the Office of the Administrative Rules Coordinator website.

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