EPA Air · nonattainment areas, by county

Air-emissions sources in Hamilton County, Tennessee

• 102Facilities

Hamilton County, Tennessee is designated nonattainment or maintenance for at least one national ambient air-quality standard, so a new or expanding source here faces stricter permitting than the same source would in a county that meets every standard. The designation belongs to the county, not to any facility on this page.

By emissions classification in Hamilton County

• Synthetic minor source 67
• Minor source 26
• Major source 7

Facilities

Designation from EPA’s Green Book national nonattainment dataset, joined on state and county. Figures from EPA’s ICIS-AIR download.