Idaho Administrative Code Title IDAPA 58 - Environmental Quality, Department of
Idaho Administrative Code (IDAPA)
Title 58: Environmental Quality, Department of
Overview
Title 58 of the Idaho Administrative Code contains the administrative rules and regulations promulgated by the Idaho Department of Environmental Quality (IDEQ).
The IDEQ is the state agency responsible for protecting Idaho’s environment, including air, water, and land quality.
These rules implement state and federal environmental laws to ensure public health, natural resource protection, and sustainable development.
Key Areas Covered
Air Quality
Regulations on emissions standards for industries, vehicles, and other sources.
Permitting processes for air pollution control.
Monitoring and reporting requirements.
Procedures for handling violations and enforcement actions.
Water Quality
Rules governing the protection of surface and groundwater.
Standards for wastewater discharge permits, stormwater management, and drinking water protection.
Procedures for issuing permits under the Clean Water Act.
Enforcement of pollution controls and corrective measures.
Waste Management
Guidelines for solid waste disposal, hazardous waste management, and recycling.
Licensing requirements for waste treatment, storage, and disposal facilities.
Rules on cleanup of contaminated sites.
Regulations on underground storage tanks and landfills.
Environmental Remediation
Procedures for assessing and remediating contaminated properties.
Oversight of voluntary cleanup programs and enforcement actions.
Permitting and Compliance
Processes for applying for environmental permits across air, water, and waste programs.
Monitoring, reporting, and inspection requirements.
Administrative enforcement tools including notices of violation, penalties, and hearings.
Public Participation
Requirements for public notice, comment periods, and hearings on permit applications and rulemaking.
Ensures transparency and community involvement in environmental decisions.
Environmental Planning and Assessment
Rules supporting environmental impact assessments and land use planning.
Coordination with other state and federal agencies.
Purpose
To protect Idaho’s natural environment and public health through effective regulation.
To comply with federal environmental laws such as the Clean Air Act, Clean Water Act, and Resource Conservation and Recovery Act (RCRA).
To provide clear standards and processes for environmental permits and enforcement.
To promote sustainable use of natural resources.
Enforcing Authority
The Idaho Department of Environmental Quality administers and enforces these rules.
The Director of IDEQ and authorized personnel conduct inspections, issue permits, and take enforcement actions.
Collaboration with federal agencies such as the EPA ensures compliance with federal requirements.
Significance
Ensures clean air and water for Idaho residents.
Controls pollution from industrial, agricultural, and municipal sources.
Manages waste safely to protect land and groundwater.
Encourages public involvement in environmental protection.
Supports economic development while safeguarding natural resources.
Summary Table
| Area | Description |
|---|---|
| Air Quality | Emissions standards, permits, monitoring, enforcement |
| Water Quality | Discharge permits, stormwater, drinking water |
| Waste Management | Solid/hazardous waste rules, disposal facilities |
| Remediation | Cleanup of contaminated sites |
| Permitting | Application, monitoring, compliance |
| Public Participation | Notice, comments, hearings |
| Environmental Planning | Impact assessments, inter-agency coordination |

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