EPA in Idaho
- Superfund sites in Idaho
- Columbia River
- Wastewater (NPDES) Permits in Idaho
- Approved Air Quality Implementation Plans (SIPs) in Idaho
- Water Quality Standards regulations for Idaho
- Impaired waters and TMDLs in Region 10
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News
![map of Idaho map of Idaho](/sites/static/files/aboutepa/states/images/id.jpg)
Idaho is part of EPA's Region 10. Learn more about EPA Region 10.