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 |
|---|---|---|---|---|
| 2025-04-21 | NC MUNICIPAL POWER AGENCY NO. 1 - CHERRYVILLE CITY HALL UNIT | CHERRYVILLE, Gaston, NC | Pass | State |
| 2025-04-21 | CITY OF ROCKY MOUNT - CHEESECAKE FACTORY | ROCKY MOUNT, Nash, NC | Pass | State |
| 2025-04-21 | WOOD RECYCLERS INC. (ACI) | PISGAH FOREST, Transylvania, NC | Pending | State |
| 2025-04-21 | BWI ETN LLC - NORTH WILKESBORO QUARRY | NORTH WILKESBORO, Wilkes, NC | Pass | State |
| 2025-04-18 | MP DURHAM, LLC (LANDFILL GAS-TO-ENERGY PROJECT) | DURHAM, Durham, NC | Pass | State |
| 2025-04-17 | BARNHILL CONTRACTING COMPANY - PRINCETON | PRINCETON, Johnston, NC | Pass | State |
| 2025-04-17 | GREDE II - BISCOE, LLC — high-priority violation on file | BISCOE, Montgomery, NC | Pass | State |
| 2025-04-17 | MARTIN MARIETTA MATERIALS, INC. - REIDSVILLE QUARRY | REIDSVILLE, Rockingham, NC | Pass | State |
| 2025-04-17 | PRESTAGE AGENERGY - MOLTONVILLE | CLINTON, Sampson, NC | Pass | State |
| 2025-04-11 | NC MUNICIPAL POWER AGENCY NO. 1, ALBEMARLE PRIME POWER PARK | NEW LONDON, Stanly, NC | Pass | State |
| 2025-04-11 | YATES BUFFALOE WOOD PROCESSING FACILITY (ACI) | RALEIGH, Wake, NC | Pass | State |
| 2025-04-08 | 3M PITTSBORO - INDUSTRIAL MINERAL PRODUCTS | MONCURE, Chatham, NC | Pass | State |
| 2025-04-08 | MUDDY CREEK WWTP | WINSTON-SALEM, Forsyth, NC | Pass | Local |
| 2025-04-04 | STORMS FARM | BLADENBORO, Bladen, NC | Pass | State |
| 2025-04-04 | GERRESHEIMER GLASS, INC. | MORGANTON, Burke, NC | Pending | State |
| 2025-04-04 | TAR HEEL MATERIALS & HANDLING, LLC (ACI) | CLEVELAND, Rowan, NC | Pass | State |
| 2025-04-03 | SMITHFIELD - WILSON | WILSON, Wilson, NC | Pending | State |
| 2025-04-03 | MCALPINE CREEK WASTEWATER MANAGEMENT FACILITY | PINEVILLE, Mecklenburg, NC | Pass | Local |
| 2025-04-02 | STERICYCLE, INC. | HAW RIVER, Alamance, NC | Pass | State |
| 2025-04-02 | BARNHILL CONTRACTING COMPANY | CASTLE HAYNE, New Hanover, NC | Pass | State |
| 2025-03-25 | PRYSMIAN CABLES AND SYSTEMS USA, LLC — high-priority violation on file | CLAREMONT, Catawba, NC | Pass | State |
| 2025-03-24 | ANSON COUNTY WASTE MANAGEMENT FACILITY — high-priority violation on file | POLKTON, Anson, NC | Pending | State |
| 2025-03-20 | TOYOTA BATTERY MFG. INC. DBA TOYOTA BATTERY MANUFACTURING NC | LIBERTY, Randolph, NC | Pending | State |
| 2025-03-20 | ENVIVA HAMLET | HAMLET, Richmond, NC | Pending | State |
| 2025-03-20 | ENVIVA HAMLET | HAMLET, Richmond, NC | Pass | State |
| 2025-03-18 | BLYTHE CONSTRUCTION, INC. - PLANT #1 | GREENSBORO, Guilford, NC | Pass | State |
| 2025-03-18 | LINCOLN COUNTY LANDFILL (ACI) | CROUSE, Lincoln, NC | Pass | State |
| 2025-03-17 | TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC - STATION 150 | MOORESVILLE, Iredell, NC | Pass | State |
| 2025-03-14 | CHEMOURS COMPANY - FAYETTEVILLE WORKS | FAYETTEVILLE, Bladen, NC | Pass | State |
| 2025-03-14 | PREGIS PROTECTIVE FILMS & COATINGS, INC. | CONOVER, Catawba, NC | Pass | State |
| 2025-03-13 | GCF US HOLDINGS LLC - NEW BERN MILL | VANCEBORO, Craven, NC | Pass | State |
| 2025-03-13 | WEYERHAEUSER NR COMPANY - ELKIN FACILITY | ELKIN, Surry, NC | Pass | State |
| 2025-03-12 | GCF US HOLDINGS LLC - NEW BERN MILL | VANCEBORO, Craven, NC | Pass | State |
| 2025-03-12 | VULCAN CONSTRUCTION MATERIALS, LLC - SMITH GROVE QUARRY | MOCKSVILLE, Davie, NC | Pass | State |
| 2025-03-11 | BENTONVILLE LNG FACILITY | FOUR OAKS, Johnston, NC | Pass | State |
| 2025-03-11 | SIBELCO NORTH AMERICA - RED HILL FACILITY | BAKERSVILLE, Mitchell, NC | Pass | State |
| 2025-03-06 | WSACC - ROCKY RIVER REGIONAL WWTP | CONCORD, Cabarrus, NC | Pass | State |
| 2025-03-06 | BRIDGESTONE AMERICAS TIRE OPERATIONS, LLC | WILSON, Wilson, NC | Pass | State |
| 2025-03-04 | TOYOTA BATTERY MFG. INC. DBA TOYOTA BATTERY MANUFACTURING NC | LIBERTY, Randolph, NC | Pass | State |
| 2025-02-27 | DUKE ENERGY PROGRESS, INC. | ARDEN, Buncombe, NC | Pass | Local |
| 2025-02-26 | AMES COPPER GROUP - SHELBY | SHELBY, Cleveland, NC | Pass | State |
| 2025-02-21 | CUMBERLAND GRAVEL & SAND COMPANY - GREEN RIVER QUARRY | FLAT ROCK, Henderson, NC | Pending | State |
| 2025-02-21 | MERCK SHARP & DOHME LLC | WILSON, Wilson, NC | Pending | State |
| 2025-02-20 | PIEDMONT NATURAL GAS - WADESBORO COMPRESSOR STATION | WADESBORO, Anson, NC | Pass | State |
| 2025-02-20 | NORTH CAROLINA CENTRAL UNIVERSITY | DURHAM, Durham, NC | Pass | State |
| 2025-02-19 | BUCKEYE SE TERMINALS, LP - SELMA TERMINAL | SELMA, Johnston, NC | Pending | State |
| 2025-02-18 | RICHARD ABERNATHY GRADING AND SEPTIC, INC. - MT. ULLA SITE | MOORESVILLE, Iredell, NC | Pass | State |
| 2025-02-18 | BUNCOMBE COUNTY LANDFILL II | ALEXANDER, Buncombe, NC | Pass | Local |
| 2025-02-18 | METROPOLITAN SEWERAGE DISTRICT OF BUNCOM | ASHEVILLE, Buncombe, NC | Pass | Local |
| 2025-02-14 | TREE BRAND PACKAGING - NEWTON FACILITY (ACI) | NEWTON, Catawba, NC | Pass | State |
| 2025-02-13 | DUKE ENERGY CORPORATION LCTS | STANLEY, Lincoln, NC | Pending | State |
| 2025-02-12 | DUKE ENERGY CAROLINAS, LLC - CLIFFSIDE STEAM STATION | MOORESBORO, Rutherford, NC | Pass | State |
| 2025-02-12 | SAPPHIRE RENEWABLE NATURAL GAS | ROSEBORO, Sampson, NC | Pending | State |
| 2025-02-11 | CANAL AG RECYCLING LLC — high-priority violation on file | TURKEY, Sampson, NC | Fail | State |
| 2025-02-10 | DUKE ENERGY CAROLINAS, LLC - MARSHALL STEAM STATION | TERRELL, Catawba, NC | Pending | State |
| 2025-02-05 | TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC - STATION 155 | LEXINGTON, Davidson, NC | Pass | State |
| 2025-02-04 | ANSON COUNTY WASTE MANAGEMENT FACILITY — high-priority violation on file | POLKTON, Anson, NC | Pending | State |
| 2025-02-04 | TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC - STATION 150 | MOORESVILLE, Iredell, NC | Pass | State |
| 2025-02-04 | PILKINGTON NORTH AMERICA, INC. — high-priority violation on file | LAURINBURG, Scotland, NC | Pending | State |
| 2025-02-04 | B. V. HEDRICK GRAVEL AND SAND COMPANY - AQUADALE QUARRY | NORWOOD, Stanly, NC | Pass | State |
| 2025-01-29 | CITY OF HIGH POINT - EASTSIDE WASTEWATER TREATMENT PLANT | JAMESTOWN, Guilford, NC | Pass | State |
| 2025-01-29 | THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL | CHAPEL HILL, Orange, NC | Pass | State |
| 2025-01-29 | PIEDMONT NATURAL GAS - LUMBERTON FACILITY | LUMBERTON, Robeson, NC | Pass | State |
| 2025-01-28 | UNIVERSAL LEAF NORTH AMERICA, INC. | NASHVILLE, Nash, NC | Pass | State |
| 2025-01-24 | NIEHS | RESEARCH TRIANGLE PARK, Durham, NC | Pass | State |
| 2025-01-23 | APPALACHIAN STATE UNIVERSITY | BOONE, Watauga, NC | Pass | State |
| 2025-01-21 | ALEXANDRIA CENTER FOR LIFE SCIENCE DURHAM | DURHAM, Durham, NC | Pass | State |
| 2025-01-21 | INGREDION, INC. — high-priority violation on file | WINSTON-SALEM, Forsyth, NC | Pass | Local |
| 2025-01-16 | PIEDMONT NATURAL GAS - CONCORD COMPRESSOR STATION | CONCORD, Cabarrus, NC | Pass | State |
| 2025-01-15 | DUKE ENERGY CAROLINAS, LLC - BELEWS CREEK STEAM STATION | BELEWS CREEK, Stokes, NC | Pass | State |
| 2025-01-14 | DUKE ENERGY CAROLINAS, LLC - MARSHALL STEAM STATION | TERRELL, Catawba, NC | Pending | State |
| 2025-01-13 | SURRY COUNTY LANDFILL | MOUNT AIRY, Surry, NC | Pending | State |
| 2025-01-10 | DUKE ENERGY CAROLINAS, LLC - BELEWS CREEK STEAM STATION | BELEWS CREEK, Stokes, NC | Pass | State |
| 2025-01-09 | COC SURRY LFG, LLC | MOUNT AIRY, Surry, NC | Pass | State |
| 2025-01-08 | DUKE ENERGY CAROLINAS, LLC - MARSHALL STEAM STATION | TERRELL, Catawba, NC | Pending | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.