EPA Air · by state
Air-emissions sources in North Carolina
- 2,730Facilities
By emissions classification in North Carolina
High-priority violations in North Carolina
59 sources in North Carolina carry a current high-priority Clean Air Act violation.
Counties in North Carolina
- Alamance County 44
- Alexander County 29
- Alleghany County 5
- Anson County 22
- Ashe County 10
- Avery County 4
- Beaufort County 21
- Bertie County 12
- Bladen County 19
- Brunswick County 28
- Buncombe County 31
- Burke County 41
- Cabarrus County 49
- Caldwell County 61
- Carteret County 19
- Caswell County 5
- Catawba County 125
- Chatham County 24
- Cherokee County 8
- Chowan County 8
- Clay County 3
- Cleveland County 46
- Columbus County 15
- Craven County 24
- Cumberland County 37
- Currituck County 5
- Dare County 8
- Davidson County 73
- Davie County 18
- Duplin County 29
- Durham County 49
- Edgecombe County 17
- Forsyth County 78
- Franklin County 14
- Gaston County 52
- Gates County 3
- Granville County 25
- Greene County 3
- Guilford County 180
- Halifax County 24
- Harnett County 20
- Haywood County 15
- Henderson County 36
- Hertford County 15
- Hoke County 13
- Hyde County 4
- Iredell County 66
- Jackson County 8
- Johnston County 54
- Jones County 7
- Lee County 27
- Lenoir County 27
- Lincoln County 25
- Macon County 5
- Madison County 4
- Martin County 10
- McDowell County 19
- Mecklenburg County 103
- Mitchell County 14
- Montgomery County 30
- Moore County 17
- Nash County 30
- New Hanover County 54
- Northampton County 11
- Onslow County 26
- Orange County 15
- Pasquotank County 11
- Pender County 9
- Perquimans County 4
- Person County 13
- Pitt County 51
- Polk County 6
- Randolph County 65
- Richmond County 27
- Robeson County 29
- Rockingham County 39
- Rowan County 53
- Rutherford County 30
- Sampson County 30
- Scotland County 18
- Stanly County 29
- Stokes County 4
- Surry County 27
- Swain County 5
- Transylvania County 9
- Undetermined County 13
- Union County 57
- Vance County 16
- Wake County 116
- Warren County 3
- Washington County 6
- Watauga County 13
- Wayne County 28
- Wilkes County 28
- Wilson County 46
- Yadkin County 9
- Yancey County 8
Industries in North Carolina
Sources are grouped by the first industry code on the facility record.
- Nonmetallic mineral product manufacturing (NAICS 3273) 330
- Petroleum and coal products manufacturing (NAICS 3241) 190
- Mining and quarrying (NAICS 2123) 162
- Furniture and related product manufacturing (NAICS 3371) 141
- Wood product manufacturing (NAICS 3219) 125
- Plastics and rubber products manufacturing (NAICS 3261) 108
- Utilities (NAICS 2211) 98
- Waste management and remediation (NAICS 5622) 84
- Hospitals (NAICS 6221) 58
- Paper manufacturing (NAICS 3222) 57
- Food manufacturing (NAICS 3111) 49
- Wood product manufacturing (NAICS 3211) 44
- Agriculture and forestry support (NAICS 1151) 41
- Textile mills (NAICS 3133) 41
- Utilities (NAICS 2213) 39
- Merchant wholesalers, nondurable goods (NAICS 4245) 38
- Printing and related support (NAICS 3231) 36
- Chemical manufacturing (NAICS 3254) 34
- Plastics and rubber products manufacturing (NAICS 3262) 34
- Fabricated metal product manufacturing (NAICS 3328) 31
- Fabricated metal product manufacturing (NAICS 3329) 29
- Chemical manufacturing (NAICS 3251) 27
- Food manufacturing (NAICS 3116) 27
- NAICS 9999 27
- Textile mills (NAICS 3132) 27
- Wood product manufacturing (NAICS 3212) 26
- Chemical manufacturing (NAICS 3252) 25
- Merchant wholesalers, nondurable goods (NAICS 4247) 24
- Transportation equipment manufacturing (NAICS 3363) 23
- Fabricated metal product manufacturing (NAICS 3323) 23
- Chemical manufacturing (NAICS 3259) 22
- Textile mills (NAICS 3131) 21
- Miscellaneous manufacturing (NAICS 3399) 21
- Pipeline transportation (NAICS 4862) 20
- Educational services (NAICS 6113) 19
- Transportation equipment manufacturing (NAICS 3362) 19
- Transportation equipment manufacturing (NAICS 3366) 18
- Beverage and tobacco manufacturing (NAICS 3122) 18
- Nonmetallic mineral product manufacturing (NAICS 3272) 18
- Chemical manufacturing (NAICS 3255) 18
- Furniture and related product manufacturing (NAICS 3372) 18
- Utilities (NAICS 2212) 15
- Nonmetallic mineral product manufacturing (NAICS 3271) 15
- Food manufacturing (NAICS 3119) 15
- Food manufacturing (NAICS 3112) 14
- Machinery manufacturing (NAICS 3334) 14
- Chemical manufacturing (NAICS 3256) 14
- Machinery manufacturing (NAICS 3339) 14
- Merchant wholesalers, durable goods (NAICS 4239) 14
- Nonmetallic mineral product manufacturing (NAICS 3279) 13
- Electrical equipment and appliance manufacturing (NAICS 3359) 13
- Food manufacturing (NAICS 3118) 13
- Fabricated metal product manufacturing (NAICS 3324) 12
- Merchant wholesalers, durable goods (NAICS 4233) 11
- Primary metal manufacturing (NAICS 3314) 11
- Computer and electronic product manufacturing (NAICS 3344) 11
- Warehousing and storage (NAICS 4931) 11
- Primary metal manufacturing (NAICS 3315) 11
- Justice, public order and safety (NAICS 9221) 10
- Support activities for transportation (NAICS 4883) 10
- Machinery manufacturing (NAICS 3332) 10
- Electrical equipment and appliance manufacturing (NAICS 3353) 9
- Transportation equipment manufacturing (NAICS 3364) 9
- Paper manufacturing (NAICS 3221) 9
- Administration of environmental programs (NAICS 9241) 8
- Data processing and hosting (NAICS 5182) 8
- National security and international affairs (NAICS 9281) 8
- Machinery manufacturing (NAICS 3331) 7
- Merchant wholesalers, nondurable goods (NAICS 4246) 7
- Machinery manufacturing (NAICS 3336) 7
- Professional, scientific and technical services (NAICS 5419) 6
- Primary metal manufacturing (NAICS 3313) 6
- Personal and laundry services (NAICS 8122) 6
- Personal and laundry services (NAICS 8123) 6
- Personal and laundry services (NAICS 8129) 6
- Fabricated metal product manufacturing (NAICS 3321) 6
- Food manufacturing (NAICS 3114) 5
- Miscellaneous manufacturing (NAICS 3391) 5
- Merchant wholesalers, durable goods (NAICS 4238) 5
- Gasoline stations (NAICS 4471) 5
Air inspections in North Carolina, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 4,428
- 2025 5,208
- 2024 5,255
- 2023 5,310
- 2022 5,246
- 2021 5,381
- 2020 5,523
- 2019 3,565
- 2018 2,085
- 2017 2,132
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| MARTIN MARIETTA MATERIALS, INC. - BELGRADE QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - BELGRADE QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - BENSON | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - BESSEMER CITY QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - BLACK ANKLE QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - BONDS QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - BURLINGTON QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - CALDWELL QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - CASTLE HAYNE QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - CENTRAL ROCK QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - CLARKS QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - CUMBERLAND QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - DENVER QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - EAST ALAMANCE QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - FOUNTAIN QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - FRANKLIN PLANT | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - FUQUAY QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - GARNER QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - GASTON QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - GOLDSTON QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - HAW RIVER QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - HICKORY QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - HICONE QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - HIGH POINT QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - JAMESTOWN QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - KANNAPOLIS QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - KINGS MOUNTAIN QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - LEMON SPRINGS QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - MAIDEN QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - MALMO ASPHALT PLANT | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - ONSLOW QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - PEE DEE QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - PERSON QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - POLLOCKSVILLE | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - POMONA QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - RALEIGH DURHAM QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - REIDSVILLE QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - ROCKY POINT | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - ROCKY RIVER QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - SELMA QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - STATESVILLE QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - THOMASVILLE QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - VANCEBORO QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - WELDON QUARRY II | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - WILMINGTON CONCRETE | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - WILSON QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - WOODLEAF QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - YADKIN QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC.-BAKERS QUARRY ASPHALT PLANT | Synthetic minor source | No |
| MARX LLC | Minor source | No |
| MASONITE CORPORATION | Minor source | No |
| MASSEY READY-MIX CONCRETE, INC. | Minor source | No |
| MASSEY READY-MIX CONCRETE, INC. | Minor source | No |
| MASTER KRAFT ,INC. | Minor source | No |
| MASTERBRAND CABINETS LLC | Synthetic minor source | No |
| MASTERBRAND CABINETS LLC - KINSTON PLANT #9 | Major source | No |
| MASTERWRAP, INC. | Minor source | No |
| MATEENBAR COMPOSITE REINFORCEMENTS, LLC | Major source | No |
| MATHIS CONCRETE, LLC - JONESVILLE PLANT | Minor source | No |
| MATHIS LANDSCAPES WNC, INC. (ACI) | Major source | Yes |
| MATLAB, INC. - PLANT 14 | Minor source | No |
| MATLAB, INC. - PLANTS 1-4, 5, 7, 8 AND 11 | Minor source | No |
| MATLAB, INC. - RAMSEUR PLANT | Minor source | No |
| MATLAB, INC. GREENSBORO | Minor source | No |
| MATTHEWS MEDICAL CENTER | Minor source | No |
| MAUSER USA, LLC - HARRISBURG | Major source | No |
| MAXPRO MANUFACTURING, LLC | Major source | No |
| MAXTON PUBLIC WORKS (ACI) | Major source | No |
| MAYCRAFT BOATS, LLC | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC. | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC. - 421 RECYCLING YARD | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC. - BROWN BROTHERS SITE | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC. - DENVER PLANT | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC. - HICKORY PLANT | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC. - HILDEBRAN PLANT | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC. - LAUREL SPRINGS PLANT | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC. - LENOIR #2 PLANT | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC. - MORGANTON PLANT | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC. - PINEOLA | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC. - STATESVILLE - NORTH | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC. - STATESVILLE PLANT | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC. - VULCAN SITE | Synthetic minor source | No |
| MAYMEAD MATERIALS, INC.- JEFFERSON PLANT | Synthetic minor source | No |
| MAYMEAD, INC. - 115 PLANT | Synthetic minor source | No |
| MAYMEAD, INC. - ELKIN PLANT | Synthetic minor source | No |
| MAYMEAD, INC. - LENOIR PLANT | Synthetic minor source | No |
| MAYMEAD, INC. - MT AIRY PLANT | Synthetic minor source | Yes |
| MAYMEAD, INC. - TWIN CITY PLANT | Synthetic minor source | No |
| MAYMEAD, INC. - YANCEY PLANT | Synthetic minor source | No |
| MCALPINE CREEK WASTEWATER MANAGEMENT FACILITY | Synthetic minor source | No |
| MCBRIDE LUMBER COMPANY | Minor source | No |
| MCCARTHY HENDERSON CONCRETE BATCH PLANT | Minor source | No |
| MCCOMBS STEEL COMPANY, INC. | Minor source | No |
| MCCRARY STONE SERVICE, INC. - CRUSHING & SCREENING PLANT | Minor source | No |
| MCCREARY MODERN - MAIDEN FRAME PLANT | Minor source | No |
| MCCREARY MODERN, INC. - PLANT NO. 6 | Minor source | No |
| MCCREARY MODERN, INC. - UPHOLSTERY PLANT | Minor source | No |
| MCCRORIE GROUP, LLC - CRANFORD WOODCARVING | Minor source | No |
| MCDOWELL COUNTY MILLWORK, LLC | Synthetic minor source | No |
| MCDOWELL LUMBER COMPANY, INC. | Synthetic minor source | No |
Figures from EPA’s ICIS-AIR download.