EPA Air · by county
Air-emissions sources in Union County, North Carolina
- 57Facilities
Every stationary source in Union County, North Carolina that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in Union County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Union County, 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 — inspections 72
- 2025 — inspections 91
- 2024 — inspections 97
- 2023 — inspections 96
- 2022 — inspections 108
- 2021 — inspections 110
- 2020 — inspections 123
- 2019 — inspections 69
- 2018 — inspections 40
- 2017 — inspections 35
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ADVANCED PRODUCTS AND SERVICES, INC. DBA IT'S FINISHED | Minor source | No |
| ARCHER DANIELS MIDLAND COMPANY, GOLDEN GRAINS & FEEDS, INC. | Minor source | No |
| ARGOS USA LLC - INDIAN TRAIL PLANT | Minor source | No |
| ASSA ABLOY DBA NORTON RIXSON DOOR CONTROLS | Synthetic minor source | No |
| ATI SPECIALTY MATERIALS, LLC | Synthetic minor source | No |
| ATI SPECIALTY MATERIALS, LLC - BAKERS PLANT | Synthetic minor source | No |
| BERRY GLOBAL, INC. | Minor source | No |
| BERRY GLOBAL, INC. DBA AMCOR | Minor source | No |
| BLUE DOT READI-MIX, LLC - MONROE | Minor source | No |
| BOGGS MATERIALS, INC. - CONCORD HWY PLANT | Synthetic minor source | No |
| BOGGS MATERIALS, INC. - STAFFORD STREET PLANT | Synthetic minor source | No |
| BONAKEMI USA, INC. | Minor source | No |
| CAROLINA READY MIX, LLC - MONROE | Minor source | No |
| CAROLINA WOOD PRODUCTS OF MARSHVILLE, INC. | Synthetic minor source | No |
| CEDAR VALLEY FINISHING COMPANY, INC. | Minor source | No |
| CHALLENGE GOLF | Minor source | No |
| CHARLOTTE PIPE AND FOUNDRY COMPANY - PLASTICS DIVISION | Synthetic minor source | No |
| CIRCOR PUMPS NORTH AMERICA, LLC | Minor source | No |
| CONCRETE SUPPLY COMPANY, LLC - MATTHEWS | Minor source | No |
| CONCRETE SUPPLY COMPANY, LLC - MONROE | Minor source | No |
| CONN-SELMER INC. - LUDWIG FACILITY PLANT 3 | Minor source | No |
| CONN-SELMER, INC. - LUDWIG FACILITY PLANT 2 | Minor source | No |
| CONSOLIDATED METCO, INC. | Synthetic minor source | No |
| DARLING INGREDIENTS INC. DBA BAKERY FEEDS | Major source | No |
| DARNEL, INC. | Major source | No |
| DECORE-ATIVE SPECIALTIES, INC. | Synthetic minor source | No |
| DUCO-SCI, INC. | Minor source | No |
| EDWARDS WOOD PRODUCTS, INC. | Synthetic minor source | No |
| GLENMARK PHARMACEUTICALS, INC., USA | Minor source | No |
| IMET ALLOYS, INC. - MONROE | Minor source | No |
| KEYWELL METALS, LLC | Synthetic minor source | No |
| KEYWELL METALS, LLC | Synthetic minor source | No |
| MACHINING TECHNOLOGY SERVICES, INC. | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC. - BAKERS QUARRY | Minor source | No |
| MARTIN MARIETTA MATERIALS, INC.-BAKERS QUARRY ASPHALT PLANT | Synthetic minor source | No |
| MASTER KRAFT ,INC. | Minor source | No |
| MCGEE CORPORATION | Minor source | No |
| METAL RECYCLING SERVICES, LLC | Minor source | No |
| MINT HILL CABINETS, INC. | Minor source | No |
| NC BIOGAS, LLC | Synthetic minor source | No |
| NC MUNICIPAL POWER AGENCY NO. 1 - MONROE MIDDLE SCHOOL UNIT | Minor source | No |
| NC MUNICIPAL POWER AGENCY NO.1-MONROE ASHCRAFT FACILITY | Synthetic minor source | No |
| ORO MANUFACTURING COMPANY | Minor source | No |
| PARKDALE AMERICA, PLANT NO. 21 | Minor source | No |
| PILGRIM'S PRIDE CORPORATION - WINGATE FEED MILL | Synthetic minor source | No |
| PRO-TOPS, INC. | Minor source | No |
| PRO-TOPS, INC. | Minor source | No |
| RADIATOR SPECIALTY COMPANY | Minor source | No |
| SCOTT TECHNOLOGIES, INC. - SCOTT SAFETY | Minor source | No |
| STEVENSON-WEIR/SOUTHERN, LLC - MONROE PLANT | Minor source | No |
| STEVENSON-WEIR/SOUTHERN, LLC - STALLINGS PLANT | Minor source | No |
| SURTECO NORTH AMERICA, INC. | Major source | No |
| THOMAS CONCRETE OF CAROLINA, INC. - MONROE PLANT | Minor source | No |
| TYSON FARMS, INC. - MONROE PROCESSING, FEED MILL, & HATCHERY | Synthetic minor source | No |
| VANGUARD PAI LUNG | Minor source | No |
| WILLIAMS READY MIX PRODUCTS, INC. | Minor source | No |
| WINDSOR WINDOWS & DOORS - A WOODGRAIN MILLWORK COMPANY | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.