EPA Air · stack tests by state and year
Air-emissions stack tests in North Carolina, 2025
- 275Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in North Carolina during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in North Carolina, 2025
- Guilford County 14
- Catawba County 10
- Forsyth County 10
- Bladen County 10
- Beaufort County 9
- Pitt County 9
- Nash County 9
- Randolph County 8
- Wilson County 8
- Richmond County 8
- Johnston County 8
- Iredell County 7
- Durham County 7
- Sampson County 6
- Cleveland County 6
- Wake County 6
- Stanly County 5
- Chatham County 5
- Mecklenburg County 5
- Buncombe County 5
- Montgomery County 5
- Gaston County 5
- Cabarrus County 5
- Columbus County 5
- Craven County 5
- Rowan County 4
- Lincoln County 4
- Davidson County 4
- New Hanover County 4
- Anson County 4
- Union County 4
- Robeson County 4
- Surry County 4
- Scotland County 3
- Martin County 3
- Brunswick County 3
- Rockingham County 3
- Mitchell County 3
- Rutherford County 3
- Edgecombe County 3
- Hertford County 3
North Carolina, other years
Air-emissions stack tests recorded in North Carolina, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-29 | COLLINS TREE SERVICE PIT | NEWPORT, Carteret, NC | Pass | State |
| 2025-12-19 | MARTIN MARIETTA MATERIALS, INC. - KANNAPOLIS QUARRY | KANNAPOLIS, Rowan, NC | Pass | State |
| 2025-12-18 | 40 LCID, LLC (ACI) | STATESVILLE, Iredell, NC | Pass | State |
| 2025-12-17 | SUNROCK INDUSTRIES LLC - BUTNER ASPHALT | BUTNER, Granville, NC | Pass | State |
| 2025-12-17 | STERIGENICS US, INC. | CHARLOTTE, Mecklenburg, NC | Pass | Local |
| 2025-12-16 | WYETH, LLC | SANFORD, Lee, NC | Pass | State |
| 2025-12-11 | CHEMOURS COMPANY - FAYETTEVILLE WORKS | FAYETTEVILLE, Bladen, NC | Pass | State |
| 2025-12-11 | DAVIDSON GAS PRODUCERS, LLC - DAVIDSON CO. LANDFILL | LEXINGTON, Davidson, NC | Pass | State |
| 2025-12-10 | CHEMOURS COMPANY - FAYETTEVILLE WORKS | FAYETTEVILLE, Bladen, NC | Pass | State |
| 2025-12-10 | WEST FRASER, INC. - ARMOUR LUMBER MILL | RIEGELWOOD, Columbus, NC | Pass | State |
| 2025-12-10 | UWHARRIE MOUNTAIN RENEWABLE ENERGY, LLC | MOUNT GILEAD, Montgomery, NC | Pending | State |
| 2025-12-10 | NC DOA CENTRAL HEATING PLANT | RALEIGH, Wake, NC | Pass | State |
| 2025-12-09 | IREDELL TRANSMISSION, LLC | STATESVILLE, Iredell, NC | Pass | State |
| 2025-12-06 | NIEHS | RESEARCH TRIANGLE PARK, Durham, NC | Pass | State |
| 2025-12-04 | NC MUNICIPAL POWER AGENCY NO. 1 - HIGH POINT WATER PUMP STAT | HIGH POINT, Guilford, NC | Pass | State |
| 2025-12-04 | NC MUNICIPAL POWER AGENCY NO. 1 - HIGH POINT POLO PLANT | HIGH POINT, Guilford, NC | Pass | State |
| 2025-11-25 | DUKE ENERGY PROGRESS, LLC - RICHMOND COUNTY TURBINES | HAMLET, Richmond, NC | Pending | State |
| 2025-11-20 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2025-11-19 | PLEASANT HILL COMPRESSOR STATION | PLEASANT HILL, Northampton, NC | Pending | State |
| 2025-11-19 | PATHEON MANUFACTURING SERVICES LLC, PART OF THERMO FISHER SC | GREENVILLE, Pitt, NC | Pending | State |
| 2025-11-18 | CAROLINA STALITE COMPANY | NORWOOD, Stanly, NC | Pass | State |
| 2025-11-13 | GCF US HOLDINGS LLC - NEW BERN MILL | VANCEBORO, Craven, NC | Pass | State |
| 2025-11-13 | CITY OF GREENSBORO - T.Z. OSBORNE WATER RECLAMATION FACILITY — high-priority violation on file | MCLEANSVILLE, Guilford, NC | Pass | State |
| 2025-11-13 | CII METHANE MANAGEMENT IV, LLC | SMITHFIELD, Johnston, NC | Pass | State |
| 2025-11-13 | CITY OF LAURINBURG - YARD WASTE BURN SITE | LAURINBURG, Scotland, NC | Pending | State |
| 2025-11-13 | NORTH CAROLINA STATE UNIVERSITY | RALEIGH, Wake, NC | Pass | State |
| 2025-11-12 | CITY OF HIGH POINT - EASTSIDE WASTEWATER TREATMENT PLANT | JAMESTOWN, Guilford, NC | Pass | State |
| 2025-11-12 | CAROLINA POULTRY POWER RG3, LLC | LAGRANGE (LENOIR,NC), Lenoir, NC | Pending | State |
| 2025-11-11 | CHARLOTTE PIPE AND FOUNDRY COMPANY | OAKBORO, Stanly, NC | Pass | State |
| 2025-11-07 | FSC II, LLC - MURFREESBORO ASPHALT PLANT | COMO, Hertford, NC | Pass | State |
| 2025-11-06 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2025-11-05 | VETERANS AFFAIRS MEDICAL CENTER | ASHEVILLE, Buncombe, NC | Pass | Local |
| 2025-11-04 | CONCORD ENERGY, LLC | CONCORD, Cabarrus, NC | Pending | State |
| 2025-10-29 | GASTON COUNTY LANDFILL - HARDIN SITE | DALLAS, Gaston, NC | Pass | State |
| 2025-10-28 | FLAGSTONE FOODS, INC. -ROBERSONVILLE | ROBERSONVILLE, Martin, NC | Pass | State |
| 2025-10-27 | C & H NORRIS CONSTRUCTION COMPANY, INC. | TABOR CITY, Columbus, NC | Pass | State |
| 2025-10-25 | IKE WILLIAMSON SAND PIT, ACB | SHALLOTTE, Brunswick, NC | Pass | State |
| 2025-10-24 | CAROLINA TREE AND LANDSCAPING | SUPPLY, Brunswick, NC | Pass | State |
| 2025-10-22 | INGENCO WHOLESALE POWER, LLC - NEW BERN | NEW BERN, Craven, NC | Pending | State |
| 2025-10-21 | REGULATOR MARINE, INC. | EDENTON, Chowan, NC | Pending | State |
| 2025-10-18 | KANSAS CITY SAUSAGE CO, LLC DBA COASTAL PROTEIN | GODWIN, Sampson, NC | Pending | State |
| 2025-10-16 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2025-10-16 | FUTURE FOAM, INC. | HIGH POINT, Guilford, NC | Pending | State |
| 2025-10-16 | THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL | CHAPEL HILL, Orange, NC | Pass | State |
| 2025-10-15 | 3M PITTSBORO - INDUSTRIAL MINERAL PRODUCTS | MONCURE, Chatham, NC | Pass | State |
| 2025-10-15 | JOHNSTON COUNTY LANDFILL | SMITHFIELD, Johnston, NC | Pending | State |
| 2025-10-14 | INTERNATIONAL BROADCASTING BUREAU - TRANSMITTER SITE B | GRIMESLAND, Pitt, NC | Pass | State |
| 2025-10-14 | TOYOTA BATTERY MFG. INC. DBA TOYOTA BATTERY MANUFACTURING NC | LIBERTY, Randolph, NC | Pass | State |
| 2025-10-14 | CAROLINA STALITE COMPANY | GOLD HILL, Rowan, NC | Pending | State |
| 2025-10-14 | SCOTT TECHNOLOGIES, INC. - SCOTT SAFETY | MONROE, Union, NC | Pass | State |
| 2025-10-13 | TOYOTA BATTERY MFG. INC. DBA TOYOTA BATTERY MANUFACTURING NC | LIBERTY, Randolph, NC | Pass | State |
| 2025-10-10 | NC MUNICIPAL POWER AGENCY NO. 1 - HIGH POINT WATER PUMP STAT | HIGH POINT, Guilford, NC | Pass | State |
| 2025-10-09 | CITY OF GASTONIA - FREIGHTLINER GENERATOR PLANT | GASTONIA, Gaston, NC | Pass | State |
| 2025-10-08 | CAROLINA POULTRY POWER RG1, LLC | FARMVILLE, Pitt, NC | Pass | State |
| 2025-10-06 | CLEVELAND COUNTY C&D LANDFILL - ACI | SHELBY, Cleveland, NC | Pass | State |
| 2025-10-06 | JOHNSON BROS. UTILITY & PAVING CO., INC. - ST PAULS PLANT | SAINT PAULS, Robeson, NC | Pass | State |
| 2025-10-02 | ONSLOW GRADING & PAVING, INC. | HUBERT, Onslow, NC | Pass | State |
| 2025-10-02 | MERCK SHARP & DOHME LLC | WILSON, Wilson, NC | Pass | State |
| 2025-10-02 | INGREDION, INC. — high-priority violation on file | WINSTON-SALEM, Forsyth, NC | Pass | Local |
| 2025-10-02 | INGREDION, INC. — high-priority violation on file | WINSTON-SALEM, Forsyth, NC | Pass | Local |
| 2025-10-01 | INGREDION, INC. — high-priority violation on file | WINSTON-SALEM, Forsyth, NC | Pass | Local |
| 2025-09-30 | CITY OF WILSON - WIGGINS MILL PUMPING STREET | WILSON, Wilson, NC | Pass | State |
| 2025-09-29 | APAC ATLANTIC INC. DBA APAC ASHEVILLE - RUTHERFORDTON PLANT | RUTHERFORDTON, Rutherford, NC | Pass | State |
| 2025-09-25 | CII METHANE MANAGEMENT IV, LLC | SMITHFIELD, Johnston, NC | Pending | State |
| 2025-09-24 | RICHMOND COUNTY TRANSFER FACILITY (ACI) | ROCKINGHAM, Richmond, NC | Pending | State |
| 2025-09-23 | CHUCK'S CONSTRUCTION MINE | CALABASH, Brunswick, NC | Pass | State |
| 2025-09-23 | VETERANS AFFAIRS MEDICAL CENTER - FAYETTEVILLE | FAYETTEVILLE, Cumberland, NC | Pending | State |
| 2025-09-23 | BARNHILL CONTRACTING COMPANY - GREENVILLE PLANT | GREENVILLE, Pitt, NC | Pass | State |
| 2025-09-23 | TOYOTA BATTERY MFG. INC. DBA TOYOTA BATTERY MANUFACTURING NC | LIBERTY, Randolph, NC | Pass | State |
| 2025-09-20 | LAMPE & MALPHRUS LUMBER COMPANY | SMITHFIELD, Johnston, NC | Pass | State |
| 2025-09-19 | HOM DEVELOPMENT, LLC (ACI) | EAST LAKE, Dare, NC | Pass | State |
| 2025-09-19 | BUNCOMBE COUNTY LANDFILL II | ALEXANDER, Buncombe, NC | Pass | Local |
| 2025-09-18 | SARA LEE FROZEN BAKERY, LLC | TARBORO, Edgecombe, NC | Pass | State |
| 2025-09-18 | SILGAN CONTAINERS — high-priority violation on file | MAXTON, Robeson, NC | Pass | State |
| 2025-09-17 | RPM INDUSTRIAL COATINGS GROUP, INC. | HUDSON, Caldwell, NC | Pending | State |
| 2025-09-15 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2025-09-12 | THOMAS SIMPSON CONSTRUCTION - ACI | NEWPORT, Carteret, NC | Pass | State |
| 2025-09-12 | GLOBAL CELLULOSE FIBERS - RIEGELWOOD MILL | RIEGELWOOD, Columbus, NC | Pending | State |
| 2025-09-11 | GLOBAL COMPANIES - FAYETTEVILLE TERMINAL | FAYETTEVILLE, Cumberland, NC | Pending | State |
| 2025-09-11 | MERCK SHARP & DOHME LLC | DURHAM, Durham, NC | Pass | State |
| 2025-09-11 | WILBARA, LLC | WILMINGTON, New Hanover, NC | Pass | State |
| 2025-09-10 | S & D COFFEE, INC. | CONCORD, Cabarrus, NC | Pending | State |
| 2025-09-09 | LAMPE & MALPHRUS LUMBER COMPANY | SMITHFIELD, Johnston, NC | Pass | State |
| 2025-09-04 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2025-09-04 | S. T. WOOTEN - PEA RIDGE ASPHALT PLANT | NEW HILL, Chatham, NC | Pending | State |
| 2025-09-04 | UNILIN FLOORING, N.V. — high-priority violation on file | MOUNT GILEAD, Montgomery, NC | Pending | State |
| 2025-09-04 | CANAL AG RECYCLING LLC — high-priority violation on file | TURKEY, Sampson, NC | Pending | State |
| 2025-09-02 | M. J. PRICE CONSTRUCTION CO., INC. | ROANOKE RAPIDS, Halifax, NC | Pass | State |
| 2025-08-29 | NC MUNICIPAL POWER AGENCY NO. 1 - MONROE MIDDLE SCHOOL UNIT | MONROE, Union, NC | Pass | State |
| 2025-08-28 | TRUEROCK MATERIALS - SILER CITY PLANT | STALEY (CHATHAM,NC), Chatham, NC | Pass | State |
| 2025-08-28 | CITY OF ROCKY MOUNT - CHEESECAKE FACTORY | ROCKY MOUNT, Nash, NC | Pass | State |
| 2025-08-28 | ELIZABETH CITY WASTEWATER TREATMENT PLANT | ELIZABETH CITY, Pasquotank, NC | Pass | State |
| 2025-08-27 | CITY OF ROCKY MOUNT PUBLIC UTILITIES, ELECTRIC SUBSTATION 9 | ROCKY MOUNT, Nash, NC | Pass | State |
| 2025-08-27 | TYSON FARMS, INC. - MONROE PROCESSING, FEED MILL, & HATCHERY | MONROE, Union, NC | Pass | State |
| 2025-08-26 | WILSON GLASS BEAD PLANT — high-priority violation on file | WILSON, Wilson, NC | Fail | State |
| 2025-08-25 | MATHIS LANDSCAPES WNC, INC. (ACI) — high-priority violation on file | CULLOWHEE, Jackson, NC | Pending | State |
| 2025-08-25 | NOVANT HEALTH PRESBYTERIAN MEDICAL CENTER, INC. | CHARLOTTE, Mecklenburg, NC | Pass | Local |
| 2025-08-21 | CHEMOURS COMPANY - FAYETTEVILLE WORKS | FAYETTEVILLE, Bladen, NC | Pass | State |
| 2025-08-21 | INGREDION, INC. — high-priority violation on file | WINSTON-SALEM, Forsyth, NC | Pass | Local |
| 2025-08-20 | CHEMOURS COMPANY - FAYETTEVILLE WORKS | FAYETTEVILLE, Bladen, NC | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.