EPA Air · nonattainment areas, by county
Air-emissions sources in Knox County, Maine
- 22Facilities
Knox County, Maine 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 Knox County
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| DANISCO USA INC. | Major source | No |
| DICAPERL MINERALS CORP. | Minor source | No |
| DOUGLAS DYNAMICS, L.L.C. | Synthetic minor source | No |
| EUROVIA ATLANTIC COAST LLC | Synthetic minor source | No |
| FERRAIOLO CONSTRUCTION, INC. | Synthetic minor source | No |
| FERRAIOLO CONSTRUCTION, INC. | Synthetic minor source | No |
| FOX ISLAND ELECTRIC COOPERATIVE, INC. | Synthetic minor source | No |
| GEORGE C. HALL & SONS INC. | Minor source | No |
| HEIDELBERG MATERIALS US CEMENT LLC | Major source | Yes |
| JAKE BARBOUR, INC. | Minor source | No |
| JAKE BORBOUR, INC. | Minor source | No |
| JAKE BORBOUR, INC. | Minor source | No |
| MAINE DEPARTMENT OF CORRECTIONS, MAINE STATE PRISON | Synthetic minor source | No |
| MIDCOAST CREMATORY, INC. | Minor source | No |
| MILLS EXCAVATION, INC. | Minor source | No |
| MILLS EXCAVATION, INC. | Minor source | No |
| NORTH END COMPOSITES LLC | Major source | No |
| PARK STREET LAUNDRY AND DRYCLEANERS | Minor source | No |
| PATTERSON ASPHALT INDUSTRIES LLC | Synthetic minor source | No |
| PENOBSCOT BAY MEDICAL CENTER | Synthetic minor source | No |
| PIKE INDUSTRIES, INC. | Synthetic minor source | No |
| ROCKLAND MARINE CORPORATION | Minor source | No |
Designation from EPA’s Green Book national nonattainment dataset, joined on state and county. Figures from EPA’s ICIS-AIR download.